Temperature in san antonio texas in december

Weather in December

The first month of the winter, December, is also an agreeable month in San Antonio Texas, Mexico, with an average temperature ranging between max 21.2°C (70.2°F) and min 8.2°C (46.8°F).

Temperature

In San Antonio Texas, the average high-temperature in December is almost the same as in November - a still agreeable 21.2°C (70.2°F). In December, the average low-temperature is 8.2°C (46.8°F).

Humidity

The average relative humidity in December is 55%.

Rainfall

The month with the least rainfall is December, when the rain falls for 2.2 days and typically collects 4mm (0.16") of precipitation.

Daylight

The month with the shortest days is December, with an average of 10h and 53min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 6:03 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:15 pm CST.

Sunshine

The months with the most sunshine are January, March and December, with an average of 9.8h of sunshine.

UV index

The months with the lowest UV index in San Antonio Texas are January, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

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FAQ

What is the temperature in December in San Antonio Texas?

In San Antonio Texas, in December, the average high-temperature is 21.2°C (70.2°F), and the average low-temperature is 8.2°C (46.8°F). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in June is calculated to be 29°C (84.2°F).

What is the average humidity in December in San Antonio Texas?

The average relative humidity in December in San Antonio Texas, Mexico, is 55%.

What is the driest month in San Antonio Texas?

December is the month with the least rainfall in San Antonio Texas, Mexico. Rain falls for 2.2 days and accumulates 4mm (0.16") of precipitation.

How many days does it rain in December in San Antonio Texas?

In San Antonio Texas, Mexico, in December, during 2.2 rainfall days, 4mm (0.16") of precipitation is typically accumulated.

What is the month with the shortest days in San Antonio Texas?

With an average of 10h and 53min of daylight, December has the shortest days of the year.

How many hours of daylight does San Antonio Texas have in December?

The average day length in December in San Antonio Texas is 10h and 53min.

When is the sunrise / sunset in December in San Antonio Texas?

On the first day of December in San Antonio Texas, sunrise is at 7:05 am and sunset at 6:03 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:15 pm CST.

What are the months with the most sunshine in San Antonio Texas?

The months with the most sunshine are January, March and December, with an average of 9.8h of sunshine.

How long on average sun shines in December in San Antonio Texas?

The average sunshine duration in December in San Antonio Texas, Mexico, is 9.8h.

What is the month with the lowest UV index in San Antonio Texas?

The months with the lowest UV index in San Antonio Texas, Mexico, are January, November and December, with an average maximum UV index of 4.

What is the UV index reading in December in San Antonio Texas?

The average daily maximum UV index in December in San Antonio Texas is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.

Average temperature in December San Antonio Texas, Mexico

• Average high temperature in December: 21.2°C

The warmest month (with the highest average high temperature) is May (29.4°C).
The month with the lowest average high temperature is January (20.9°C).

• Average low temperature in December: 8.2°C

The month with the highest average low temperature is June (15.3°C).
The coldest month (with the lowest average low temperature) is January (7.4°C).

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Average pressure in December San Antonio Texas, Mexico

• Average pressure in December: 1017.7mbar

The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1013.5mbar).

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Average wind speed in December San Antonio Texas, Mexico

• Average wind speed in December: 8.5km/h

The windiest month (with the highest average wind speed) is April (10.6km/h).
The calmest month (with the lowest average wind speed) is December (8.5km/h).

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Average humidity in December San Antonio Texas, Mexico

• Average humidity in December: 55%

The month with the highest relative humidity is September (75%).
The month with the lowest relative humidity is April (34%).

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Average rainfall in December San Antonio Texas, Mexico

• Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is July (85mm).
The driest month (with the least rainfall) is December (4mm).

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Average rainfall days in December San Antonio Texas, Mexico

• Average rainfall days in December: 2.2 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is December (2.2 days).

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Average daylight in December / Average sunshine in December San Antonio Texas, Mexico

• Average daylight in December: 10h and 53min

The month with the longest days is June (Average daylight: 13h and 23min).
The month with the shortest days is December (Average daylight: 10h and 53min).

• Average sunshine in December: 9h and 48min

The months with the most sunshine are January, March and December (Average sunshine: 9h and 48min).
The month with the least sunshine is July (Average sunshine: 9h and 6min).

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Average sunshine days in December San Antonio Texas, Mexico

• Average sunshine days in December: 28.1 days

The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is June (10.4 days).

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Average UV index in December San Antonio Texas, Mexico

• Average UV index in December: 4

The months with the highest UV index are April and May (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).

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Average cloud cover in December San Antonio Texas, Mexico

• Average cloud cover in December: 11

The months with the most cloud cover are July and September (Cloud cover 34).
The month with the least cloud cover is March (Cloud cover 10).

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Average visibility in December San Antonio Texas, Mexico

• Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).

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Is December a good time to visit San Antonio Texas?

Is San Antonio Texas cold in December?

What is the temperature in San Antonio at Christmas?

What is the coldest month in San Antonio Texas?