January weather forecastWilmer, TX
January
Weather in January
January, the same as December, is a cool winter month in Wilmer, Texas, with temperature in the range of an average low of 39°F (3.9°C) and an average high of 54.9°F (12.7°C).Temperature
Wilmer's January weather, marked by an average high temperature of 54.9°F (12.7°C) and an average low temperature of 39°F (3.9°C), is the coldest in the year.Humidity
In Wilmer, the average relative humidity in January is 66%.Rainfall
In Wilmer, in January, it is raining for 5.3 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, in Wilmer, there are 114.9 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and February. January is the first month it typically snows. Throughout January, in the average 0.5 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.9 snowfall days, and 0.24" (6mm) of snow is accumulated.Daylight
In Wilmer, Texas, the average length of the day in January is 10h and 18min.On the first day of January, sunrise is at 7:28 am and sunset at 5:31 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 5:58 pm CST.
Sunshine
The average sunshine in January is 5.8h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In January, the UV index of 3 transforms into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Wilmer, TX
- Average high temperature in January: 54.9°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 January: 39°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 January
Wilmer, TX
- Average pressure in January: 30.16"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 January
Wilmer, TX
- Average wind speed in January: 9mph
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 January
Wilmer, TX
- Average humidity in January: 66%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in January
Wilmer, TX
- Average rainfall in January: 0.75"
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 January
Wilmer, TX
- Average rainfall days in January: 5.3 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 January
Wilmer, TX
- Average snowfall in January: 0.04"
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 January
Wilmer, TX
- Average snowfall days in January: 0.5 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 January /
Average sunshine in January
Wilmer, TX
- Average daylight in January: 10h and 18min
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 January: 5h and 48min
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 January
Wilmer, TX
- Average sunshine days in January: 23.3 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 January
Wilmer, TX
- Average UV index in January: 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 January
Wilmer, TX
- Average cloud cover in January: 32
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 January
Wilmer, TX
- Average visibility in January: 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).





