What's the weather like in Key West (Florida) in January 2023?
The climate in Key West during January can be summarized as warm, humid and reasonably dry.
January is in the winter in Key West and is typically the coldest month of the year. Daytime maximum temperatures average around a muggy 24°C (75°F), whilst at night 17°C (63°F) is normal.
Key West weather averages (imperial / metric)| 23.6°C 74.5°F |
| 17°C 62.6°F |
| 20.3°C 68.5°F |
| 8.5 hrs |
| 47 mm 1.8 ins |
| 6 days |
| 23.9°C 75°F |
| 76% |
| 17.6kph 11 mph |
On average January is the 4th driest month of the year in Key West with around 47mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.5 hours of sunshine per day.
January temperatures in Key West
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Key West in January 2022.
Change units
°C or °F
km/h or mph
mm or inches
Key West is an island city and is part of Florida that Keys archipelago. The city is also known as 'Conch Republic' and it is popular for its pastel-hued, conch-style houses. The city is a cruise ship stop and it is accessible from the mainland. Key West is better known for its coral reefs and its diving and snorkeling destinations compared to its beaches. The city has many attractions and restaurants. Wintersun visitors should visit Key West for the amazing tropical weather and the amenities the city offers.
Weather January 2023 in Key West Florida:
Generally, January in Key West will be really nice, with an average temperature of around 77°F / 25°C. As there is not a lot of humidity, it will feel comfortable. You can expect around 6 rainy days, with on average 0.9 inches / 22 mm of rain during the month of January.
Contents
- 1 January weather in Key West Florida
- 2 January weather in Key West Florida in more detail
- 2.1 - What will the temperature be in Key West in January
- 2.2 - Can you expect rain in January in Key West?
- 2.3 - What will the water temperature be in Key West for January
- 2.4 - Can you expect in January a lot of sunny days in Key West
- 2.5 - Will it be comfortable in January in Key West?
- 3 What to do in Key West Florida in January
- 4 Is it humid in Key West Florida in January?
- 5 Is January a good time to go to Key West Florida?
- 6 Does it rain all day in Key West Florida in January?
- 7 Is January the rainiest month in Key West Florida?
- 8 Is January the most sunniest month in Key West Florida?
- 9 More information about Key West Florida
- 10 Weather in Key West Florida in other months
- 11 What to do in Key West Florida for each month
To get a good overview of the type of weather you can expect in January in Key West, we will look at the day and night temperature, minimum and maximum water temperature, and if January is comfortable or humid
Generally, January in Key West will be really nice. Historical data shows that you can expect an average temperature of around 77°F / 25°C. As there is not a lot of humidity, it will feel comfortable. During the night, it will cool down to around 57°F / 14°C. Many will prefer a location with air conditioning due to the humidity level.
Key West has some rainy days in January. You can expect around 6 rainy days, with on average 0.9 inches / 22 mm of rain during the whole month.
The forecast for January 2023 is based on historical data and are averages. They will give a good indication what you can expect, but the daily temperature and rain will fluctuate during the month.
January weather in Key West Florida in more detail
To get a better feeling for the type of weather, you can expect in January in Key West, we will look at the temperature, rain, wind, humidity, water temperature, and sun and clouds
- What will the temperature be in Key West in January
Generally, you can expect in January an average temperature of 77°F / 25°C during the day and an average of 57°F / 14°C during the night. In January, during the warmest part of the afternoon, the temperature can often get as high as 84°F / 29°C, and at the end of the night, it can get as low as 32°F / 0°C.
When looking at the whole year, January is the coldest month, with an average temperature of around 77°F / 25°C. August is the hottest month, with an average temperature of around 91°F / 33°C. When comparing January with the temperature in the month before and after, this is almost equal to December, which sees an average maximum temperature of around 78°F / 26°C. And almost equal to February, which sees an average maximum temperature of around 78°F / 26°C.
Day and night temperature variation for Key West during the year.Day and night temperature variation for Key West during the year.But average temperatures only tell half of the story. It is also good to check the maximum and minimum temperatures. When looking at the whole year, August is the hottest month, with a temperature of around 96°F / 36°C. January is the coldest month, with a temperature of around 84°F / 29°C. When comparing January with the temperature in the month before and after, this is almost equal to December, which sees an average maximum temperature of around 86°F / 30°C. And almost equal to February, which sees an average maximum temperature of around 86°F / 30°C.
In the following graph, you can see how many cold and hot days you can expect in Key West each month:
Day and night temperature variation for Key West during the year.Day and night temperature variation for Key West during the year.- Can you expect rain in January in Key West?
Generally, you can expect about 6 rain days in January, with on average 0.9 inches / 22 mm of rain.
When looking at the whole year, December is the dryest month, with an average rainfall of around 0.6 inches / 16 mmmm. September is the wettest month, with an average rainfall of around 3.5 inches / 89 mmmm. When comparing January with the month before and after, this is more than December, which sees around 0.6 inches / 16 mm of rain. And almost equal to February, which sees around 0.9 inches / 23 mm of rain
Rain days for Key West during the year.Rain days for Key West during the year.If we look at the number of days with rain, December is the month with the least amount of rain days with an average of between 5 and 6 days. September is the month with the most rain days with an average of between 22 and 23 days. When comparing January with the month before and after, this is almost equal to December, which sees an average of between 5 and 6 days of rain. And almost equal to February, which sees around 6 days of rain
- What will the water temperature be in Key West for January
You can expect in January, the water temperature for Key West to be between 75°F / 24°C and 68°F / 20°C.
To compare the water temperature we will use the maximum water temperature. You can expect this temperature on a more sunny day, close to the shore, when the wind does not mix the relatively warmer and colder water.
August has the highest water temperature, with an average of between 87°F / 31°C and 89°F / 32°C. January has the lowest water temperature, with around 75°F / 24°C. When comparing the water temperature from January with the month before and after, January has a water temperature almost equal to December, with a water temperature of around 77°F / 25°C. And almost equal to the water temperature from February, that is around 75°F / 24°C.
Water temperature for Key West during the year.Water temperature for Key West during the year.- Can you expect in January a lot of sunny days in Key West
Generally, you can expect around 13 sunny days in January and around 14 partly sunny days. The remaining days will be cloudy.
When looking at the whole year, December is the month with the highest number of sunny days, with around 13 sunny days. June is the month with the lowest number of sunny days, with around 4 sunny days. When comparing January with the number of sunny days in the month before and after, it is almost equal to December, with around 13 sunny days. And slightly more than February, with an average of between 9 and 10 sunny days
The number of sunny, partly sunny, and cloudy days for Key WestThe number of sunny, partly sunny, and cloudy days for Key WestWe have looked at the sunny days in Key West. Let's also look at the cloudy or overcast days. June is the month with the highest number of cloudy days, with an average of between 7 and 8 cloudy days. April is the month with the lowest number of cloudy days, with an average of between 2 and 3 cloudy days. When comparing January with the number of cloudy days in the month before and after, it is almost equal to December, with an average of between 3 and 4 cloudy days. And almost equal to February, with around 3 cloudy days
- Will it be comfortable in January in Key West?
Generally, January in Key West will not be very humid, and will feel comfortable.
We use the humidity and temperature in Key West to calculate the Wintersun Expert Comfort level for each month. The lower the Wintersun Expert Comfort level, the more comfortable it will be. Only for certain people, extremely dry air can feel slightly uncomfortable.
When looking at the whole year, January has the lowest humidity, with a Wintersun Expert comfort level of "comfortable" (not very humid). July has the highest humidity, with a Wintersun Expert comfort level of "extremely uncomfortable" (extremely humid). When comparing January with the month before and after, this is slightly less than December, which has a Wintersun Comfort level of "slightly uncomfortable" (moderately humid). And almost equal to February, which has a Wintersun Comfort level of "comfortable" (not very humid)
Wintersun Expert Humidity / Comfort level for Key WestWintersun Expert Humidity / Comfort level for Key WestWhat to do in Key West Florida in January
Key West is a popular tourist location with many places that you can visit in the area:
- The Ernest Hemingway Home & Museum: Visit the home of a historic writer Ernest Hemingway and get an educational tour of the efforts made by Nobel Prize winner in the American literature. You will also be lucky enough to see the Polydactyl Cats (six and seven-toed cats), the descendants of Ernest Hemingway's cats. You can visit the book/gift shop as well for souvenirs.
- Fort Zachary Taylor Historic State Park: Named after the US President Zachary Taylor, this Civil War-era fort offers the largest Civil War artillery in the US. Guided tours are offered daily at noon. The Fort offers the Key West's best beach, a café, fishing, and picnicking. Don't miss the Civil War reenactments as well.
- Duval Street: Named after the first territorial governor of Florida, William Pope Duval, Duval Street is the hub for sightseeing, attractions, cuisine infused with local flavor and shopping. You can enjoy live music and bars.
- Key West Art & Historical Society: You can visit this place to get educated about the art, culture, history, and architecture of Florida Keys through the educational programs and also exhibitions of the regional art.
- Ripley's Believe It or Not: Visit this museum of the famous TV show and watch the unusual and bizarre artifacts.
- Smathers Beach: It is the largest beach in Key West, Florida with a length of a half-mile. You can visit this beach to relax and sunbathe under the scorching sun, play beach games, snorkel, para-sailing, and much more.
Is it humid in Key West Florida in January?
A lot of people ask interested in the humidity or relative humidity for Key West Florida in January. But the real question they want to ask is not about humidity but the amount of moisture in the air. Or better, about comfort. Will it be comfortable in January in Key West, or will high humidity make it uncomfortable.
To answer this question, we have to look at the dew point. Relative humidity can change a lot in Key West during the day and night, as it changes when the amount of moisture changes and, but also when the temperature changes. It is a lot less reliable for comfort. Where the dew point only varies with the amount of moisture in the air.
Looking at the dew point, we can see that for the month of January, you can expect that Key West will not be very humid, and will feel comfortable.
January is the month with the most comfort. It will not be very humid, and will feel comfortable. July is the most uncomfortable month. It will be extremely humid, and can feel extremely uncomfortable. In the graph, you can see that there is some difference between the most comfortable and most uncomfortable months
Humidity level for Key WestHumidity level for Key WestIs January a good time to go to Key West Florida?
Trying to answer the question of whether January is a good time to go to Key West is not as easy as it first seems. Some people like colder weather, and others prefer a warmer climate. Some are fine with some humidity, and others are not. If your location has air conditioning, the night temperature is less important.
These are some examples. I will try to answer the question with a more generic person in mind. The more detailed information in this article should be enough to check further if this applies to you as well.
If we look at the average temperature for Key West in January, we can see that it will be fine for most people. In January, you can expect it to be really nice, with an average temperature of around 77°F / 25°C. As there is not a lot of humidity, it will feel comfortable. During the night, it will be around 57°F / 14°C.
As the number of overcast days is not high, you can enjoy the sun with around 13 sunny days and 14 partly sunny days.
The last aspect we will look at is rain. You can expect around 6 rainy days, with on average 0.9 inches / 22 mm of rain during January. More then 5 days rain per month makes the chance higher you will see some rain during a shorter stay. But a day with rain does not mean a day you can not enjoy.
We have looked at the average day temperature, the night temperature, humidity, the number of overcast days, and the rain. We think that January a good time to go to Key West Florida for most visitors.
Does it rain all day in Key West Florida in January?
In Key West, it does not rain all day in January. You can expect around 6 rainy days, with on average 0.9 inches / 22 mm of rain during the month.
Another way of looking at the rain is the number of sunny days. For Key West Florida, there are, on average 13 sunny days and 14 partly sunny days in January. That clearly shows that it is not raining all the time.
Is January the rainiest month in Key West Florida?
January is not the month with the most rainy days, and not the month with the most rain.
To answer what the rainiest month is in Key West, we will both look at the month with the most rain, and the month with the highest number of rainy days.
September is the month with the the highest number of rainiest days. On average, you can expect 22 days with rain. December is the month with the lowest number of rainy days, with aproximately 6 days.
September is the month with the most rain. This is not equal as the one with the most rainy days. On average, you can expect 3.5 inches / 89 mm of rain. December is the month with the least amount of rain. This is not the same month as the one with the lowest number of rainy days. You can expect approximately 0.6 inches / 16 mm of rain.
Is January the most sunniest month in Key West Florida?
January is not the month with the most sunny days, not the month with the most partly sunny days, and it is not the month with the lowest number of overcast days.
To answer what the sunniest month is in Key West, we will of course look at the month with the most sunniest days, but also look at the month with the biggest number of days that are sunny or partly sunny.
December is the month with the highest number of sunny days. On average, you can expect 13 sunny days, and 14 partly suny days. June is the month with the lowest number of sunny days.
March is the month with the highest number of sunny days and partly sunny days combined. While June is the month with the lowest number of sunny days and partly sunny days combined.
The last thing we will look at is the number of overcast days. April is the month with the lowest number of overcast days. While June is the month with the highest number of overcast days.
More information about Key West Florida
Weather in Key West Florida in other months
- Weather in Key West Florida for February
- Weather in Key West Florida for March
- Weather in Key West Florida for April
- Weather in Key West Florida for May
- Weather in Key West Florida for June
- Weather in Key West Florida for July
- Weather in Key West Florida for August
- Weather in Key West Florida for September
- Weather in Key West Florida for October
- Weather in Key West Florida for November
- Weather in Key West Florida for December
What to do in Key West Florida for each month
- What to do in January in Key West Florida
- What to do in February in Key West Florida
- What to do in March in Key West Florida
- What to do in April in Key West Florida
- What to do in May in Key West Florida
- What to do in June in Key West Florida
- What to do in July in Key West Florida
- What to do in August in Key West Florida
- What to do in September in Key West Florida
- What to do in October in Key West Florida
- What to do in November in Key West Florida
- What to do in December in Key West Florida