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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from a refreshing 67.6°F (19.8°C) in November to a moderate 60.1°F (15.6°C). Mamou records an average low-temperature of 45.9°F (7.7°C) throughout the month of December.Humidity
In Mamou, the average relative humidity in December is 81%.Rainfall
In Mamou, in December, during 10.5 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Mamou, during the entire year, the rain falls for 157.2 days and collects up to 21.02" (534mm) of precipitation.Snowfall
January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Mamou, during the entire year, snow falls for 0.5 days and aggregates up to 0.12" (3mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:49 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The months with the lowest UV index in Mamou are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the average humidity in December?
How much does it rain in Mamou in December?
When does it start to snow in Mamou?
What is the month with the shortest days?
How many hours of daylight does Mamou have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What are the months with the lowest UV index in Mamou?
What is the UV index reading in December in Mamou?
Average temperature in December
Mamou, LA
- Average high temperature in December: 60.1°F
The warmest month (with the highest average high temperature) is August (90.7°F).
The month with the lowest average high temperature is January (57.9°F).
- Average low temperature in December: 45.9°F
The month with the highest average low temperature is August (73.8°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in December
Mamou, 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 (29.95"Hg).
Average wind speed in December
Mamou, LA
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).
Average humidity in December
Mamou, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Mamou, LA
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is November (1.06").
Average rainfall days in December
Mamou, LA
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (20.1 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Mamou, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mamou, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Mamou, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Mamou, LA
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (8.5 days).
Average UV index in December
Mamou, LA
- Average UV index in December: 3
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Mamou, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Mamou, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).
Mamou, Louisiana, USA
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