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
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a comfortable 63.5°F (17.5°C) to a mild 55.4°F (13°C). Throughout December, the temperature falls to an average low of 40.6°F (4.8°C).Humidity
In December, the average relative humidity is 81%.Rainfall
In Mahan, in December, it is raining for 12.2 days, with typically 3.7" (94mm) of accumulated precipitation. Throughout the year, in Mahan, there are 158.6 rainfall days, and 39.09" (993mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 3.4 snowfall days, and 1.18" (30mm) of snow is accumulated.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 Mahan, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Always opt for UVA and UVB-resistant sunglasses on radiant days. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Mahan in December?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Mahan have in December?
What is the month with the lowest UV index in Mahan?
What is the UV index reading in December?
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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