December weather forecastCotton Valley, LA
December
Weather in December
The first month of the winter, December, is still a cool month in Cotton Valley, Louisiana, with an average temperature varying between 40.5°F (4.7°C) and 55.2°F (12.9°C).Temperature
The shift from November to December includes a small decrease in the average high-temperature, from an enjoyable 63.5°F (17.5°C) to a cool 55.2°F (12.9°C). An average minimum temperature of 40.5°F (4.7°C) is recorded during the month of December.Humidity
In Cotton Valley, Louisiana, the average relative humidity in December is 80%.Rainfall
In Cotton Valley, in December, during 12 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. In Cotton Valley, during the entire year, the rain falls for 149.9 days and collects up to 36.1" (917mm) of precipitation.Snowfall
In Cotton Valley, snow does not fall in April through December.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:58 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:17 pm CST.
Sunshine
In December, the average sunshine in Cotton Valley is 4.9h.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 exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 3 in December leads to these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cotton Valley, LA
- Average high temperature in December: 55.2°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 December: 40.5°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 December
Cotton Valley, LA
- 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 (29.93"Hg).
Average wind speed in December
Cotton Valley, LA
- Average wind speed in December: 6.2mph
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 December
Cotton Valley, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (68%).
Average rainfall in December
Cotton Valley, LA
- Average rainfall in December: 3.66"
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 December
Cotton Valley, LA
- Average rainfall days in December: 12 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 December
Cotton Valley, LA
- Average snowfall in December: 0"
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 December
Cotton Valley, LA
- Average snowfall days in December: 0.3 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 December /
Average sunshine in December
Cotton Valley, LA
- Average daylight in December: 10h and 0min
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 December: 4h and 54min
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 December
Cotton Valley, LA
- Average sunshine days in December: 17.1 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 December
Cotton Valley, LA
- Average UV index in December: 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 December
Cotton Valley, LA
- Average cloud cover in December: 48
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 December
Cotton Valley, LA
- Average visibility in December: 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).
