January weather forecastColleyville, TX
January
Weather in January
January, the same as December, is another fresh winter month in Colleyville, Texas, with an average temperature ranging between max 54.5°F (12.5°C) and min 39°F (3.9°C).Temperature
January, marked by an average high-temperature of 54.5°F (12.5°C) and a low-temperature of 39°F (3.9°C), is the coldest month.Humidity
In Colleyville, the average relative humidity in January is 63%.Rainfall
In Colleyville, in January, it is raining for 4.7 days, with typically 0.51" (13mm) of accumulated precipitation. In Colleyville, Texas, during the entire year, the rain falls for 97.1 days and collects up to 8.66" (220mm) of precipitation.Snowfall
In Colleyville, snow does not fall in January, March through December.Daylight
In January, the average length of the day in Colleyville is 10h and 17min.On the first day of January in Colleyville, sunrise is at 7:31 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:59 pm CST.
Sunshine
The average sunshine in January is 6.1h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Colleyville, Texas. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In January, the average maximum UV index of 3 translates into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Colleyville, TX
- Average high temperature in January: 54.5°F
The warmest month (with the highest average high temperature) is August (96.1°F).
The month with the lowest average high temperature is January (54.5°F).
- Average low temperature in January: 39°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in January
Colleyville, 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 (29.9"Hg).
Average wind speed in January
Colleyville, TX
- Average wind speed in January: 9.1mph
The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.7mph).
Average humidity in January
Colleyville, TX
- Average humidity in January: 63%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall in January
Colleyville, TX
- Average rainfall in January: 0.51"
The wettest month (with the highest rainfall) is May (1.26").
The driest month (with the least rainfall) is February (0.35").
Average rainfall days in January
Colleyville, TX
- Average rainfall days in January: 4.7 days
The month with the highest number of rainy days is September (11.5 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in January
Colleyville, TX
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Colleyville, TX
- Average snowfall days in January: 0.3 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 and October (0 days).
Average daylight in January /
Average sunshine in January
Colleyville, 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 0min).
- Average sunshine in January: 6h and 6min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in January
Colleyville, TX
- Average sunshine days in January: 25.3 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is September (16.3 days).
Average UV index in January
Colleyville, 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
Colleyville, TX
- Average cloud cover in January: 29
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Colleyville, 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).
