January weather forecastCullen, LA
January
Weather in January
January, like December, in Cullen, Louisiana, is a cool winter month, with an average temperature varying between 53.2°F (11.8°C) and 37.4°F (3°C).Temperature
Temperature readings reach their annual highs in January, averaging 53.2°F (11.8°C) and a minimum average of 37.4°F (3°C).Humidity
The average relative humidity in January is 78%.Rainfall
In Cullen, in January, it is raining for 10.3 days, with typically 2.72" (69mm) of accumulated precipitation. In Cullen, during the entire year, the rain falls for 149.9 days and collects up to 36.1" (917mm) of precipitation.Snowfall
Months with snowfall are January through March. January is the first month it typically snows. Throughout January, in the average 0.8 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, there are 3 snowfall days, and 1.34" (34mm) of snow is accumulated.Daylight
In Cullen, the average length of the day in January is 10h and 16min.On the first day of the month, sunrise is at 7:16 am and sunset at 5:17 pm. On the last day of January, sunrise is at 7:09 am and sunset at 5:44 pm CST.
Sunshine
In January, the average sunshine is 5h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Cullen, LA
- Average high temperature in January: 53.2°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in January: 37.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in January
Cullen, LA
- 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 (29.93"Hg).
Average wind speed in January
Cullen, LA
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Cullen, LA
- Average humidity in January: 78%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (68%).
Average rainfall in January
Cullen, LA
- Average rainfall in January: 2.72"
The wettest month (with the highest rainfall) is April (4.65").
The driest month (with the least rainfall) is September (1.97").
Average rainfall days in January
Cullen, LA
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is July (14.3 days).
The months with the least rainy days are October and November (10.1 days).
Average snowfall in January
Cullen, LA
- Average snowfall in January: 0.55"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Cullen, LA
- Average snowfall days in January: 0.8 days
The month with the highest number of snowfall days is February (1.4 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
Cullen, LA
- 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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Cullen, LA
- Average sunshine days in January: 18.3 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in January
Cullen, LA
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Cullen, LA
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in January
Cullen, LA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





