December weather forecast and climate
Jackson, MS

The Capitol building and beautiful tree park in Jackson, Mississippi
The Capitol building and beautiful tree park in Jackson, Mississippi

Weather in December

The first month of the winter, December, is still a mild month in Jackson, Mississippi, with average temperature varying between 42.4°F (5.8°C) and 57.2°F (14°C).

Temperature

In December, the average high-temperature marginally drops, from an enjoyable 64.2°F (17.9°C) in November, to a moderate 57.2°F (14°C). In Jackson, in December, the average low-temperature is 42.4°F (5.8°C).

Humidity

Months with the highest humidity in Jackson are February and December, with an average relative humidity of 80%.

Rainfall

In Jackson, in December, it is raining for 11.5 days, with typically 2.56" (65mm) of accumulated precipitation. In Jackson, during the entire year, the rain falls for 152.1 days and collects up to 29.72" (755mm) of precipitation.

Snowfall

March through December are months without snowfall in Jackson.

Daylight

December has the shortest days of the year in Jackson, with an average of 10.1h of daylight.

Sunshine

In December, the average sunshine in Jackson, Mississippi, is 5h.

UV index

Months with the lowest UV index in Jackson are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in December in Jackson?

The average high-temperature, in December, in Jackson, Mississippi, is 57.2°F (14°C), while the average low-temperature is 42.4°F (5.8°C).

What are the most humid months in Jackson?

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

What is the average humidity in December in Jackson?

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

How many days does it rain in December in Jackson?

In December, in Jackson, the rain falls for 11.5 days. Throughout December, 2.56" (65mm) of precipitation is accumulated.

Does it snow in Jackson in December?

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

When it does not snow in Jackson?

In Jackson snow does not fall in March through December.

What is the month with the shortest days in Jackson?

December has the shortest days of the year, with an average of 10.1h of daylight.

How many hours of daylight does Jackson have in December?

In December, the average length of the day in Jackson, Mississippi, is 10.1h.

How many hours of sunshine does Jackson have in December?

The average sunshine in December in Jackson, Mississippi, is 5h.

When is the lowest UV index in Jackson?

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

How high is the UV index in December in Jackson?

The average daily maximum UV index in December in Jackson is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to the UV radiation.

Average temperature in December
Jackson, MS

Average temperature in December - Jackson, MS
  • Average high temperature in December: 57.2°F

The warmest months (with the highest average high temperature) are July and August (91.8°F).
The month with the lowest average high temperature is January (54.7°F).

  • Average low temperature in December: 42.4°F

The month with the highest average low temperature is July (72.3°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).

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Average pressure in December
Jackson, MS

Average pressure in December - Jackson, 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
Jackson, MS

Average wind speed in December - Jackson, MS
  • Average wind speed in December: 7.7mph

The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).

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Average humidity in December
Jackson, MS

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

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

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Average rainfall in December
Jackson, MS

Average rainfall in December - Jackson, MS
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is April (3.46").
The driest month (with the least rainfall) is October (1.81").

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Average rainfall days in December
Jackson, MS

Average rainfall days in December - Jackson, MS
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is October (8.5 days).

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Average snowfall in December
Jackson, MS

Average snowfall in December - Jackson, MS
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.35").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Jackson, MS

Average snowfall days in December - Jackson, 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
Jackson, MS

Average daylight in December / Average sunshine in December - Jackson, MS
  • Average daylight in December: 10.1h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10.1h).

  • Average sunshine in December: 5h

The month with the most sunshine is June (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.9h).

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Average sunshine days in December
Jackson, MS

Average sunshine days in December - Jackson, MS
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in December
Jackson, MS

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

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

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Average cloud cover in December
Jackson, MS

Average cloud cover in December - Jackson, 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 October (Cloud cover 28).

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Average visibility in December
Jackson, MS

Average visibility in December - Jackson, 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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