December weather forecastLums, LA
December
Weather in December
The first month of the winter, December, is still a mild month in Lums, Louisiana, with an average temperature ranging between min 43.7°F (6.5°C) and max 57°F (13.9°C).Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a refreshing 64.9°F (18.3°C) in November to a mild 57°F (13.9°C). December nights in Lums are marked by an average temperature drop to a frosty 43.7°F (6.5°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Lums, during December, the rain falls for 13.4 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Lums, Louisiana, during the entire year, the rain falls for 159.6 days and collects up to 36.1" (917mm) of precipitation.Snowfall
In Lums, snow does not fall in April through October and December.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:48 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:09 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 during December translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lums, LA
- Average high temperature in December: 57°F
The warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Lums, 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 (29.96"Hg).
Average wind speed in December
Lums, LA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Lums, LA
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Lums, LA
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Lums, LA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is October (8.8 days).
Average snowfall in December
Lums, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Lums, 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Lums, LA
- Average daylight in December: 10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Lums, LA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is August (12.5 days).
Average UV index in December
Lums, 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
Lums, LA
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and October (Cloud cover 27).
Average visibility in December
Lums, 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).





