December weather forecastForest, LA
December
Weather in December
December, the first month of the winter in Forest, is still a mild month, with an average temperature fluctuating between 55.8°F (13.2°C) and 42.4°F (5.8°C).Temperature
As December begins, there is a minor decrease in the average high-temperature, softly falling from a refreshing 63.5°F (17.5°C) in November to a moderate 55.8°F (13.2°C). Nightly temperatures in Forest drop to an average low of 42.4°F (5.8°C) in December.Humidity
The average relative humidity in December is 79%.Rainfall
In Forest, during December, the rain falls for 13.5 days and regularly aggregates up to 3.5" (89mm) of precipitation. In Forest, during the entire year, the rain falls for 157.6 days and collects up to 37.64" (956mm) of precipitation.Snowfall
In Forest, snow does not fall in April through December.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:50 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:10 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Forest, LA
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 42.4°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Forest, LA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Forest, LA
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Forest, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Forest, LA
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is April (4.57").
The driest month (with the least rainfall) is September (1.81").
Average rainfall days in December
Forest, LA
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is October (9.4 days).
Average snowfall in December
Forest, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Forest, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.8 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
Forest, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Forest, LA
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is February (12.2 days).
Average UV index in December
Forest, 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 and December (UV index 3).
Average cloud cover in December
Forest, LA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Forest, LA
- 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).





