Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from 63.5°F (17.5°C) in November to a still refreshing 55.4°F (13°C). The low-temperature averages to a cold 40.6°F (4.8°C) during the nights of December.Humidity
In December, the average relative humidity is 81%.Rainfall
In Mahan, during December, the rain falls for 12.2 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, in Mahan, there are 158.6 rainfall days, and 39.09" (993mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Mahan. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.08" (2mm) of snow. In Mahan, during the entire year, snow falls for 3.4 days and aggregates up to 1.18" (30mm) of snow.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:57 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 5:16 pm CST.
Sunshine
In December, the average sunshine in Mahan is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the average December temperature in Mahan?
What is the average humidity in December in Mahan?
How many days does it rain in December in Mahan?
When does it start to snow in Mahan?
What is the month with the shortest days in Mahan?
How many hours of daylight does Mahan have in December?
When are sunrise and sunset in December in Mahan?
How many hours of sunshine does Mahan have in December?
What are the months with the lowest UV index in Mahan?
What is the UV index intensity in December in Mahan?
Average temperature in December
Mahan, LA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is July (93.9°F).
The month with the lowest average high temperature is January (53.4°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in December
Mahan, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Mahan, LA
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Mahan, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are July and August (70%).
Average rainfall in December
Mahan, LA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Mahan, LA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is October (10.1 days).
Average snowfall in December
Mahan, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mahan, LA
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.1 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
Mahan, 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 months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Mahan, LA
- Average sunshine days in December: 16.2 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is March (13.3 days).
Average UV index in December
Mahan, 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
Mahan, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in December
Mahan, LA
- Average visibility in December: 5mi
The months with the highest visibility are April, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May and December (5mi).
Mahan, Louisiana, USA
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