December weather forecastCamp Leroy Johnson, LA
December
Weather in December
The first month of the winter, December, is still a comfortable month in Camp Leroy Johnson, Louisiana, with an average temperature fluctuating between 63.1°F (17.3°C) and 52°F (11.1°C).Temperature
The shift from November to December coincides with a small decrease in the average high-temperature, down to a comfortable 63.1°F (17.3°C) from a pleasant 68.5°F (20.3°C). An average nighttime temperature of 52°F (11.1°C) is witnessed throughout December.Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In Camp Leroy Johnson, in December, it is raining for 14.1 days, with typically 3.82" (97mm) of accumulated precipitation. Throughout the year, there are 178.6 rainfall days, and 44.25" (1124mm) of precipitation is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:11 pm CST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Camp Leroy Johnson, LA
- Average high temperature in December: 63.1°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 52°F
The months with the highest average low temperature are July and August (79.3°F).
The coldest month (with the lowest average low temperature) is January (48°F).
Average pressure in December
Camp Leroy Johnson, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Camp Leroy Johnson, LA
- Average wind speed in December: 9.5mph
The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
Camp Leroy Johnson, LA
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Camp Leroy Johnson, LA
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is July (6.1").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Camp Leroy Johnson, LA
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (8.5 days).
Average daylight in December /
Average sunshine in December
Camp Leroy Johnson, LA
- Average daylight in December: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Camp Leroy Johnson, LA
- Average sunshine days in December: 15 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is August (7.1 days).
Average UV index in December
Camp Leroy Johnson, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Camp Leroy Johnson, LA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Camp Leroy Johnson, 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).





