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
In December, the average high-temperature marginally decreases from an agreeable 68.9°F (20.5°C) in November to a comfortable 62.2°F (16.8°C). Brittany's average low-temperature in December is measured at a frosty 47.7°F (8.7°C).Humidity
The months with the highest humidity in Brittany are February and December, with an average relative humidity of 81%.Rainfall
In Brittany, Louisiana, in December, during 10.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Brittany, there are 151.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of December in Brittany, sunrise is at 6:42 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:13 pm CST.
Sunshine
December has the least sunshine of the year in Brittany, with an average of 5.1h of sunshine.UV index
December is the month with the lowest UV index in Brittany, Louisiana, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 3 translates into these guidelines:
Guard yourself - An obligation to protect skin and eyes from harm exists. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What are December temperatures in Brittany?
What are the most humid months in Brittany?
What is the average humidity in December in Brittany?
How many days does it rain in December in Brittany?
When it does not snow in Brittany?
Does it snow in Brittany in December?
What is the month with the shortest days in Brittany?
How many hours of daylight does Brittany have in December?
When are sunrise and sunset in December in Brittany?
What is the month with the least sunshine in Brittany?
How long on average sun shines in December in Brittany?
When is the lowest UV index in Brittany?
How high is the UV index in December in Brittany?
Average temperature in December
Brittany, LA
- Average high temperature in December: 62.2°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in December: 47.7°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (43.5°F).
Average pressure in December
Brittany, 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 (29.96"Hg).
Average wind speed in December
Brittany, LA
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Brittany, LA
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Brittany, LA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is July (3.03").
The driest months (with the least rainfall) are March and November (0.98").
Average rainfall days in December
Brittany, LA
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Brittany, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Brittany, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.2 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
Brittany, 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 1min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Brittany, LA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
Brittany, LA
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Brittany, LA
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Brittany, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, June, July, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May and September (5mi).
Brittany, Louisiana, USA
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