December weather forecast and climate
Columbus, MS

Weather in December

The first month of the winter, December, is still a cool month in Columbus, Mississippi, with average temperature fluctuating between 40.6°F (4.8°C) and 54.7°F (12.6°C).

Temperature

In December, the average high-temperature slightly decreases, from a comfortable 62.2°F (16.8°C) in November, to a fresh 54.7°F (12.6°C). In Columbus, Mississippi,, the average low-temperature is 40.6°F (4.8°C).

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

Months with the most rainfall in Columbus are February, April and December, with an average 1.18" (30mm) of precipitation.

Snowfall

Months with snowfall are January, February and December. Months with the most snowfall in Columbus are January and December, with an average 0.08" (2mm) of accumulated snow.

Daylight

December has the shortest days of the year in Columbus, with an average of 10h of daylight.

Sunshine

In December, the average sunshine is 4.9h.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the most humid month in Columbus?

December is the most humid month in Columbus, with an average relative humidity of 80%.

What is the average humidity in December in Columbus?

The average relative humidity in December is 80%.

What is the wettest month in Columbus?

The wettest months in Columbus, Mississippi, are February, April and December, with an average 1.18" (30mm) of rainfall.

How many days does it rain in December in Columbus?

In Columbus, Mississippi, in December, during 9.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

What is the snowiest month in Columbus?

Months with the most snowfall in Columbus are January and December, with an average 0.08" (2mm) of accumulated snow.

When does it start to snow in Columbus?

December is the first month it typically snows in Columbus. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

What is the month with the shortest days in Columbus?

The month with the shortest days in Columbus is December, with an average of 10h of daylight.

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

In December, the average length of the day in Columbus, Mississippi, is 10h.

How many hours of sunshine does Columbus have in December?

The average sunshine in December in Columbus is 4.9h.

When is the lowest UV index in Columbus?

Months with the lowest UV index in Columbus are January, February and December, with an average maximum UV index of 3.

How high is the UV index in December in Columbus?

In Columbus, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Columbus, MS

Average temperature in December - Columbus, MS
  • Average high temperature in December: 54.7°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in December: 40.6°F

The month with the highest average low temperature is July (71.6°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).

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Average pressure in December
Columbus, MS

Average pressure in December - Columbus, MS
  • Average pressure in December: 30.14"

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

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Average wind speed in December
Columbus, MS

Average wind speed in December - Columbus, MS
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

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Average humidity in December
Columbus, MS

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

The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Columbus, MS

Average rainfall in December - Columbus, MS
  • Average rainfall in December: 1.18"

The wettest months (with the highest rainfall) are February, April and December (1.18").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in December
Columbus, MS

Average rainfall days in December - Columbus, MS
  • Average rainfall days in December: 9.3 days

Months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (6 days).

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Average snowfall in December
Columbus, MS

Average snowfall in December - Columbus, MS
  • Average snowfall in December: 0.08"

Months with the highest snowfall are January and December (0.08").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Columbus, MS

Average snowfall days in December - Columbus, MS
  • Average snowfall days in December: 0.3 days

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

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

Average daylight in December / Average sunshine in December - Columbus, MS
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 4.9h

Months with the most sunshine are June and July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in December
Columbus, MS

Average sunshine days in December - Columbus, MS
  • Average sunshine days in December: 19.9 days

The month with the most sunshine days is October (23 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in December
Columbus, MS

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

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in December
Columbus, MS

Average cloud cover in December - Columbus, MS
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).

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Average visibility in December
Columbus, MS

Average visibility in December - Columbus, MS
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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