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
The arrival of December suggests a slight decrease in the average high-temperature, moving from a refreshing 66.2°F (19°C) in November to a moderate 57.9°F (14.4°C). In the month of December, the average temperature in Marthaville dips to a chilly 43.2°F (6.2°C) during the night.Humidity
The average relative humidity in December is 80%.Rainfall
In Marthaville, in December, it is raining for 11.8 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 154.2 rainfall days, and 33.46" (850mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall in Marthaville. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.16" (4mm) of snow. In Marthaville, during the entire year, snow falls for 1.9 days and aggregates up to 0.63" (16mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:56 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:20 pm CST.
Sunshine
With an average of 4.7h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during December translates into the following guidance:
Undertake precautions - It is suggested to shield oneself from sunburn. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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?
How many hours of daylight does Marthaville have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Marthaville have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Marthaville, LA
- Average high temperature in December: 57.9°F
The warmest months (with the highest average high temperature) are July and August (94.6°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 43.2°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Marthaville, LA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Marthaville, LA
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Marthaville, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in December
Marthaville, LA
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is May (3.82").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Marthaville, LA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is August (16.8 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Marthaville, LA
- Average snowfall in December: 0.16"
The months with the highest snowfall are January and February (0.24").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Marthaville, LA
- Average snowfall days in December: 0.3 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
Marthaville, LA
- Average daylight in December: 10h and 1min
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 4min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in December
Marthaville, LA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (11.9 days).
Average UV index in December
Marthaville, 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
Marthaville, LA
- Average cloud cover in December: 51
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Marthaville, LA
- Average visibility in December: 5mi
The months with the highest visibility are June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, September and December (5mi).
Marthaville, Louisiana, USA
Weather forecast for your location
2. Allow the app to use your location