December weather forecast
Wilmer, TX

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Weather in December

December, the first month of the winter in Wilmer, is still a mild month, with temperature in the range of an average low of 41.9°F (5.5°C) and an average high of 56.1°F (13.4°C).

Temperature

As Wilmer enters December, the average high-temperature subtly lowers from the 64.4°F (18°C) of November to a still refreshing 56.1°F (13.4°C). An average temperature of 41.9°F (5.5°C) marks the nights in December.

Humidity

The average relative humidity in December is 70%.

Rainfall

In Wilmer, in December, during 7.4 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Wilmer, there are 114.9 rainfall days, and 14.49" (368mm) of precipitation is accumulated.

Snowfall

In Wilmer, snow does not fall in March through December.

Daylight

The month with the shortest days is December, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:28 am and sunset at 5:31 pm CST.

Sunshine

December has the least sunshine of the year in Wilmer, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index in Wilmer are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A maximum high daily UV index of 3 during December translates into the following directions:
Act with care - The need to guard against sun damage is communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

What are the temperatures in Wilmer in December?

In December, the average high-temperature and low-temperature in Wilmer are 56.1°F (13.4°C) and 41.9°F (5.5°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in September is estimated at 96.8°F (36°C).

What is the average humidity in December in Wilmer?

In Wilmer, Texas, the average relative humidity in December is 70%.

How many days does it rain in December in Wilmer?

In Wilmer, during December, the rain falls for 7.4 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When it does not snow in Wilmer?

In Wilmer, Texas, snow does not fall in March through December.

Does it snow in Wilmer in December?

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

What is the month with the shortest days in Wilmer?

The month with the shortest days in Wilmer, Texas, is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Wilmer have in December?

The average day length in December in Wilmer is 10h and 3min.

When is the sunrise / sunset in December in Wilmer?

On the first day of December in Wilmer, sunrise is at 7:11 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 5:31 pm CST.

What is the month with the least sunshine in Wilmer?

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

How many hours of sunshine does Wilmer have in December?

The average sunshine duration in December is 5.5h.

What are the months with the lowest UV index in Wilmer?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

How high is the UV index in December in Wilmer?

In Wilmer, Texas, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
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
Wilmer, TX

Average temperature in December - Wilmer, TX
  • Average high temperature in December: 56.1°F

The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (54.9°F).

  • Average low temperature in December: 41.9°F

The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).

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Average pressure in December
Wilmer, TX

Average pressure in December - Wilmer, TX
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in December
Wilmer, TX

Average wind speed in December - Wilmer, TX
  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).

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Average humidity in December
Wilmer, TX

Average humidity in December - Wilmer, TX
  • Average humidity in December: 70%

The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).

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Average rainfall in December
Wilmer, TX

Average rainfall in December - Wilmer, TX
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.71").

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Average rainfall days in December
Wilmer, TX

Average rainfall days in December - Wilmer, TX
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is September (12.5 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in December
Wilmer, TX

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

The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Wilmer, TX

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

The month with the highest number of snowfall days is February (1.2 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Wilmer, TX
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 5h and 3min

The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in December
Wilmer, TX

Average sunshine days in December - Wilmer, TX
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (14.8 days).

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Average UV index in December
Wilmer, TX

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

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

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Average cloud cover in December
Wilmer, TX

Average cloud cover in December - Wilmer, TX
  • Average cloud cover in December: 38

The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).

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Average visibility in December
Wilmer, TX

Average visibility in December - Wilmer, 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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Wilmer, Texas, USA

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