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 sea temperature 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
A moderate decline in average high-temperatures is noted in December, moving from an agreeable 68.2°F (20.1°C) in November to a refreshing 61.9°F (16.6°C). In the month of December, Biloxi experiences an average low-temperature of 50.4°F (10.2°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Biloxi, in December, during 13.3 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 179.4 rainfall days, and 40.71" (1034mm) of precipitation is accumulated.Snowfall
In Biloxi, snow does not fall in February through December.Ocean temperature
In Biloxi, the average seawater temperature in December is 60.6°F (15.9°C).Note: A majority do not enjoy swimming in water at 60.6°F (15.9°C). The difficulty in controlling breathing increases progressively as the temperature dips below 69.8°F (21°C).
Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:35 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 5:05 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.UV index
January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in December suggests the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
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 ocean temperature in December?
What is the month with the shortest days?
How many hours of daylight does Biloxi have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Biloxi have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Biloxi, MS
- Average high temperature in December: 61.9°F
The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59.2°F).
- Average low temperature in December: 50.4°F
The month with the highest average low temperature is August (77.7°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in December
Biloxi, MS
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Biloxi, MS
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).
Average humidity in December
Biloxi, MS
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Biloxi, MS
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is August (6.34").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in December
Biloxi, MS
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Biloxi, MS
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.35").
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
Biloxi, MS
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average sea temperature in December
Biloxi, MS
- Average sea temperature in December: 60.6°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).
Average daylight in December /
Average sunshine in December
Biloxi, MS
- 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).
Average sunshine days in December
Biloxi, MS
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is November (19.8 days).
The months with the least sunshine days are July and August (5.1 days).
Average UV index in December
Biloxi, MS
- 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, November and December (UV index 4).
Average cloud cover in December
Biloxi, MS
- 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 23).
Average visibility in December
Biloxi, MS
- 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).
Biloxi, Mississippi, USA
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