December weather forecast
Vicksburg, MS

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Twin bridges across the large Mississippi River at Vicksburg, Mississippi, and green benches in the waterfront walk street
Twin bridges across the large Mississippi River at Vicksburg, Mississippi, and green benches in the waterfront walk street

Weather in December

December brings Vicksburg into the full fold of winter. It manifests notable dips in the day's highest temperature, which averages around 57°F (13.9°C), contributing to the overall cold weather. Although snowfall barely touches the city with just 0.04" (1mm) average, the cold winds at 7.6mph (12.2km/h) sweep a winter chill in the air. Always carrying a placid charm, Vicksburg transforms into a winter wonderland in December. The changing climate sets a perfect backdrop to bid farewell to the year and pave a path for the approaching new year with renewed energy.

Temperature

Vicksburg in December experiences a gentle temperature dip, with average high-temperatures reducing from a comfortable 64.8°F (18.2°C) in November to a mild 57°F (13.9°C). Nighttime temperatures hover around an average low of 43.7°F (6.5°C) in December.

Humidity

February and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In December, the rain falls for 13.6 days. Throughout December, 3.46" (88mm) of precipitation is accumulated. In Vicksburg, during the entire year, the rain falls for 169.7 days and collects up to 38.82" (986mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Vicksburg, during December, snow falls for 0.4 days and regularly aggregates up to 0.04" (1mm) of snow. Throughout the year, there are 2.6 snowfall days, and 1.06" (27mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of the month, sunrise is at 6:47 am and sunset at 4:58 pm. On the last day of December, sunrise is at 7:04 am and sunset at 5:08 pm CST.

Sunshine

February and December, with an average of 5h of sunshine, are months with the least sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

The average high-temperature, in December, in Vicksburg, is 57°F (13.9°C), while the average low-temperature is 43.7°F (6.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 102.2°F (39°C).

What are the most humid months?

February and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity in Vicksburg is 80%.

How much does it rain in December?

In Vicksburg, in December, during 13.6 rainfall days, 3.46" (88mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 0.4 days. Throughout December, 0.04" (1mm) of snow is accumulated.

What is the month with the shortest days in Vicksburg?

December has the shortest days of the year, with an average of 10h and 6min of daylight.

How many hours of daylight does Vicksburg have in December?

In Vicksburg, the average day length in December is 10h and 4min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:47 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:08 pm CST.

What are the months with the least sunshine?

February and December, with an average of 5h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 5h.

When is the lowest UV index?

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

How high is the UV index in December?

In Vicksburg, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Vicksburg, MS

Average temperature in December - Vicksburg, MS
  • Average high temperature in December: 57°F

The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (54.1°F).

  • Average low temperature in December: 43.7°F

The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).

Average pressure in December
Vicksburg, MS

Average pressure in December - Vicksburg, MS
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Vicksburg, MS

Average wind speed in December - Vicksburg, MS
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Vicksburg, MS

Average humidity in December - Vicksburg, MS
  • Average humidity in December: 80%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Vicksburg, MS

Average rainfall in December - Vicksburg, MS
  • Average rainfall in December: 3.46"

The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is November (2.28").

Average rainfall days in December
Vicksburg, MS

Average rainfall days in December - Vicksburg, MS
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is October (8.9 days).

Average snowfall in December
Vicksburg, MS

Average snowfall in December - Vicksburg, MS
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Vicksburg, MS

Average snowfall days in December - Vicksburg, MS
  • Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Vicksburg, MS
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in December
Vicksburg, MS

Average sunshine days in December - Vicksburg, MS
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (9.9 days).

Average UV index in December
Vicksburg, MS

Average UV index in December - Vicksburg, MS
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Vicksburg, MS

Average cloud cover in December - Vicksburg, MS
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Vicksburg, MS

Average visibility in December - Vicksburg, 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).

Vicksburg, Mississippi, USA

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