December weather forecast
Cotulla, TX

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Weather in December

The first month of the winter, December, is also an enjoyable month in Cotulla, Texas, with an average temperature fluctuating between 48.9°F (9.4°C) and 65.3°F (18.5°C).

Temperature

The start of December involves a subtle temperature drop, shifting from an agreeable 72.9°F (22.7°C) in November to a comfortable 65.3°F (18.5°C). During December, Cotulla observes a consistent average nighttime temperature of 48.9°F (9.4°C).

Humidity

The most humid month in Cotulla is December, with an average relative humidity of 66%.

Rainfall

In Cotulla, Texas, during December, the rain falls for 6.8 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 99.5 rainfall days, and 12.09" (307mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Cotulla, Texas.

Daylight

With an average of 10h and 24min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:12 am and sunset at 5:40 pm. On the last day of December, sunrise is at 7:29 am and sunset at 5:51 pm CST.

Sunshine

With an average of 5.5h of sunshine, December has the least sunshine of the year.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Frequently asked questions

What is the usual temperature for Cotulla in December?

An average high-temperature, in December, in Cotulla, is 65.3°F (18.5°C) and the average low-temperature is 48.9°F (9.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in October is appraised at 87.8°F (31°C).

What is the most humid month in Cotulla?

With an average relative humidity of 66%, December is the most humid month in Cotulla.

What is the average humidity in December in Cotulla?

In Cotulla, Texas, the average relative humidity in December is 66%.

How many days does it rain in December in Cotulla?

In December, in Cotulla, Texas, the rain falls for 6.8 days. Throughout December, 0.51" (13mm) of precipitation is accumulated.

When it does not snow in Cotulla?

In Cotulla, snow does not fall in February through December.

Does it snow in Cotulla in December?

In Cotulla, Texas, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Cotulla?

December has the shortest days of the year in Cotulla, with an average of 10h and 24min of daylight.

What is the average length of the day in December in Cotulla?

In Cotulla, the average day length in December is 10h and 22min.

What time are sunrise and sunset in December in Cotulla?

On the first day of December in Cotulla, Texas, sunrise is at 7:12 am and sunset at 5:40 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 5:51 pm CST.

What is the month with the least sunshine in Cotulla?

The month with the least sunshine in Cotulla, Texas, is December, with an average of 5.5h of sunshine.

How many hours of sunshine does Cotulla have in December?

In December, the average sunshine duration is 5.5h.

What is the month with the lowest UV index in Cotulla?

December is the month with the lowest UV index in Cotulla, Texas, with an average maximum UV index of 3.

How high is the UV index in December in Cotulla?

The average daily maximum UV index in December in Cotulla, Texas, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Cotulla, TX

Average temperature in December - Cotulla, TX
  • Average high temperature in December: 65.3°F

The warmest month (with the highest average high temperature) is August (99.3°F).
The month with the lowest average high temperature is January (64.8°F).

  • Average low temperature in December: 48.9°F

The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).

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Average pressure in December
Cotulla, TX

Average pressure in December - Cotulla, TX
  • Average pressure in December: 30.1"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in December
Cotulla, TX

Average wind speed in December - Cotulla, TX
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is May (10.9mph).
The calmest month (with the lowest average wind speed) is December (7.6mph).

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Average humidity in December
Cotulla, TX

Average humidity in December - Cotulla, TX
  • Average humidity in December: 66%

The month with the highest relative humidity is December (66%).
The month with the lowest relative humidity is August (53%).

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Average rainfall in December
Cotulla, TX

Average rainfall in December - Cotulla, TX
  • Average rainfall in December: 0.51"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days in December
Cotulla, TX

Average rainfall days in December - Cotulla, TX
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is September (14 days).
The month with the least rainy days is August (5.9 days).

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Average snowfall in December
Cotulla, TX

Average snowfall in December - Cotulla, TX
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Cotulla, TX

Average snowfall days in December - Cotulla, TX
  • Average snowfall days in December: 0.1 days

The months with the highest number of snowfall days are January, February and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
Cotulla, TX

Average daylight in December / Average sunshine in December - Cotulla, TX
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).

  • Average sunshine in December: 5h and 3min

The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Cotulla, TX

Average sunshine days in December - Cotulla, TX
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is August (23.7 days).
The month with the least sunshine days is September (14.5 days).

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Average UV index in December
Cotulla, TX

Average UV index in December - Cotulla, TX
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in December
Cotulla, TX

Average cloud cover in December - Cotulla, TX
  • Average cloud cover in December: 37

The months with the most cloud cover are February, March, May and December (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 17).

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Average visibility in December
Cotulla, TX

Average visibility in December - Cotulla, TX
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Cotulla, Texas, USA

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