December weather forecastMer Rouge, LA
December
Weather in December
December, the first month of the winter in Mer Rouge, is still a mild month, with temperature in the range of an average high of 56.1°F (13.4°C) and an average low of 42.1°F (5.6°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's 63.9°F (17.7°C) to a still refreshing 56.1°F (13.4°C). During the December nights, an average temperature of 42.1°F (5.6°C) is observed.Humidity
In Mer Rouge, the average relative humidity in December is 80%.Rainfall
In Mer Rouge, in December, it is raining for 12.5 days, with typically 3.31" (84mm) of accumulated precipitation. In Mer Rouge, during the entire year, the rain falls for 153.5 days and collects up to 36.14" (918mm) of precipitation.Snowfall
In Mer Rouge, Louisiana, 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 6:52 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:11 pm CST.
Sunshine
The average sunshine in December is 5.1h.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 medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 3 in December transforms into this advice:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Caution! The reflection of snow 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 December
Mer Rouge, LA
- Average high temperature in December: 56.1°F
The warmest month (with the highest average high temperature) is July (92.7°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in December: 42.1°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
Mer Rouge, 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
Mer Rouge, LA
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in December
Mer Rouge, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Mer Rouge, LA
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is April (4.45").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Mer Rouge, LA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Mer Rouge, LA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Mer Rouge, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.7 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
Mer Rouge, 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 6min
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
Mer Rouge, LA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is February (13.1 days).
Average UV index in December
Mer Rouge, 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
Mer Rouge, LA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Mer Rouge, 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).
