December weather forecastGrant, LA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Grant, Louisiana, with an average temperature fluctuating between 60.3°F (15.7°C) and 45.9°F (7.7°C).Temperature
December ushers in a minor alteration in Grant's climate, with the average high-temperature moving from November's 67.8°F (19.9°C) to a still refreshing 60.3°F (15.7°C). The temperature dips to an average of 45.9°F (7.7°C) during December nights.Humidity
The average relative humidity in December is 81%.Rainfall
In Grant, Louisiana, during December, the rain falls for 9.7 days and regularly aggregates up to 1.1" (28mm) of precipitation. In Grant, during the entire year, the rain falls for 140.7 days and collects up to 15.55" (395mm) of precipitation.Snowfall
Months with snowfall are January, February, September and December. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Grant, during the entire year, snow falls for 0.5 days.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:20 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5h of sunshine.UV index
The months with the lowest UV index in Grant are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Grant, LA
- Average high temperature in December: 60.3°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in December: 45.9°F
The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).
Average pressure in December
Grant, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Grant, LA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Grant, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Grant, LA
- Average rainfall in December: 1.1"
The wettest month (with the highest rainfall) is August (2.72").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in December
Grant, LA
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is August (18.8 days).
The month with the least rainy days is November (6.9 days).
Average snowfall days in December
Grant, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Grant, LA
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Grant, LA
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is January (21.2 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
Grant, LA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Grant, LA
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Grant, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).





