December weather forecast
Biloxi, MS

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A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi
A tall and white iconic landmark of a lighthouse and other houses in this scenic field of clean lawns in Biloxi, Mississippi

Weather in December

Effacing autumn's last remnants, December brings the chill of winter to Biloxi. The average highest temperature plummets further to 61.9°F (16.6°C) marking the year's climax. The noticeable drop in sea temperature synchronizes with the town’s quiet winter rhythm. Shrouded under numerous cloud covers, the city's skies mirror the melancholic end of the year. Despite the winter chills, the spirit of Biloxi remains warm, welcoming the festive season with open arms.

Temperature

As December begins, there is a minor decrease in the average high-temperature, softly falling from an agreeable 68.2°F (20.1°C) in November to an enjoyable 61.9°F (16.6°C). Throughout December, Biloxi witnesses a nighttime temperature average of 50.4°F (10.2°C).

Humidity

December is the most humid month, with an average relative humidity of 79%.

Rainfall

In Biloxi, during December, the rain falls for 13.3 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Biloxi, Mississippi, during the entire year, the rain falls for 179.4 days and collects up to 40.71" (1034mm) of precipitation.

Snowfall

In Biloxi, snow does not fall in February through December.

Ocean temperature

In Biloxi, in December, the average water temperature is 60.6°F (15.9°C).
Note: Swimming in water with a temperature of 60.6°F (15.9°C) is not a pleasurable experience for the majority. As the temperature falls below 69.8°F (21°C), it becomes increasingly hard to control one's breathing.

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

The month with the least sunshine is December, with an average of 5.2h of sunshine.

UV index

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 4 transforms into these recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What are December temperatures in Biloxi?

The high-temperature, in December, in Biloxi, is 61.9°F (16.6°C), while the low-temperature averages to 50.4°F (10.2°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 98.6°F (37°C).

What is the most humid month in Biloxi?

December is the most humid month in Biloxi, Mississippi, with an average relative humidity of 79%.

What is the average humidity in December in Biloxi?

The average relative humidity in December in Biloxi, Mississippi, is 79%.

How much does it rain in Biloxi in December?

In Biloxi, Mississippi, during December, the rain falls for 13.3 days and regularly aggregates up to 3.43" (87mm) of precipitation.

When it does not snow in Biloxi?

In Biloxi, Mississippi, snow does not fall in February through December.

Does it snow in Biloxi in December?

In Biloxi, in December, it doesn't snow. In January, it regularly snows.

What is the ocean temperature in December in Biloxi?

In Biloxi, Mississippi, in December, the average water temperature is 60.6°F (15.9°C). For swimming, a surface water temperature of 60.6°F (15.9°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

What is the month with the shortest days in Biloxi?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Biloxi, Mississippi.

What is the average length of the day in December in Biloxi?

In Biloxi, the average day length in December is 10h and 13min.

What time are sunrise and sunset in December in Biloxi?

On the first day of December in Biloxi, 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.

What is the month with the least sunshine in Biloxi?

The month with the least sunshine in Biloxi, Mississippi, is December, with an average of 5.2h of sunshine.

How long on average sun shines in December in Biloxi?

The average sunshine duration in December is 5.2h.

What are the months with the lowest UV index in Biloxi?

January, November and December, with an average maximum UV index of 4, are months with the lowest UV index in Biloxi.

How high is the UV index in December in Biloxi?

In Biloxi, Mississippi, the average daily maximum UV index in December is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Biloxi, MS

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).

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Average pressure in December
Biloxi, MS

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).

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Average wind speed in December
Biloxi, MS

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).

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Average humidity in December
Biloxi, MS

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%).

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Average rainfall in December
Biloxi, MS

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").

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Average rainfall days in December
Biloxi, MS

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).

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Average snowfall in December
Biloxi, MS

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").

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Average snowfall days in December
Biloxi, MS

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).

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Average sea temperature in December
Biloxi, MS

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).

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Average daylight in December /
Average sunshine in December
Biloxi, MS

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).

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Average sunshine days in December
Biloxi, MS

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).

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Average UV index in December
Biloxi, MS

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).

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Average cloud cover in December
Biloxi, MS

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).

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Average visibility in December
Biloxi, MS

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).

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Biloxi, Mississippi, USA

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