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 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
The advent of December brings a slight shift in average high-temperature, moving from a pleasant 70°F (21.1°C) in November to a comfortable 64.2°F (17.9°C). Nighttime temperature lowers to an average of 51.4°F (10.8°C) in December.Humidity
August and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Theriot, in December, it is raining for 9.4 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 142.2 rainfall days, and 18.86" (479mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:40 am and sunset at 5:03 pm. On the last day of December, sunrise is at 6:57 am and sunset at 5:15 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 4 in December translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Theriot have in December?
When are sunrise and sunset in December in Theriot?
What is the month with the least sunshine?
How many hours of sunshine does Theriot have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Theriot, LA
- Average high temperature in December: 64.2°F
The warmest months (with the highest average high temperature) are July and August (89.2°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in December: 51.4°F
The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).
Average pressure in December
Theriot, LA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).
Average wind speed in December
Theriot, LA
- Average wind speed in December: 8.5mph
The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in December
Theriot, LA
- Average humidity in December: 78%
The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in December
Theriot, LA
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is March (0.71").
Average rainfall days in December
Theriot, LA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is November (6.2 days).
Average snowfall days in December
Theriot, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Theriot, LA
- Average daylight in December: 10h and 2min
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 2min
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 24min).
Average sunshine days in December
Theriot, LA
- Average sunshine days in December: 19.6 days
The month with the most sunshine days is November (22.2 days).
The months with the least sunshine days are July and August (8.5 days).
Average UV index in December
Theriot, LA
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in December
Theriot, LA
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in December
Theriot, 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).
Theriot, Louisiana, USA
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