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
With the arrival of December, Bruly Saint Martin experiences a modest decline in average high-temperatures, transitioning from an agreeable 68.9°F (20.5°C) in November to an enjoyable 62.6°F (17°C). Bruly Saint Martin reports an average nighttime low-temperature of 48°F (8.9°C) in December.Humidity
February, September and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Bruly Saint Martin, during December, the rain falls for 12.5 days and regularly aggregates up to 2.05" (52mm) of precipitation. Throughout the year, there are 165.4 rainfall days, and 26.93" (684mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:43 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:00 am and sunset at 5:15 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 5h of sunshine.UV index
The month with the lowest UV index in Bruly Saint Martin is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun is at its strongest around midday, find shade and limit exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Bruly Saint Martin?
What are the most humid months?
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?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Bruly Saint Martin have in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Bruly Saint Martin, LA
- Average high temperature in December: 62.6°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).
- Average low temperature in December: 48°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 (44.2°F).
Average pressure in December
Bruly Saint Martin, 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 (29.96"Hg).
Average wind speed in December
Bruly Saint Martin, LA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Bruly Saint Martin, LA
- Average humidity in December: 80%
The months with the highest relative humidity are February, September and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Bruly Saint Martin, LA
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").
Average rainfall days in December
Bruly Saint Martin, LA
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).
Average snowfall in December
Bruly Saint Martin, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.16").
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
Bruly Saint Martin, LA
- Average snowfall days in December: 0.1 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 and November (0 days).
Average daylight in December /
Average sunshine in December
Bruly Saint Martin, 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 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Bruly Saint Martin, LA
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Bruly Saint Martin, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Bruly Saint Martin, LA
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Bruly Saint Martin, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, June, August, October, November and December (6mi).
The months with the lowest visibility are March, April, May, July and September (5mi).
Bruly Saint Martin, Louisiana, USA
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