December weather forecastWilmer, TX
December
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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").
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).
Average daylight in December /
Average sunshine in December
Wilmer, TX
- Average daylight in December: 10h and 6min
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 30min
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).
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).
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).
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).
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).
