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 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
The advent of December brings a slight shift in average high-temperature, moving from a comfortable 64.2°F (17.9°C) in November to a mild 57.2°F (14°C). Jackson records an average nighttime low of 42.4°F (5.8°C) in December.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In Jackson, Mississippi, in December, it is raining for 11.5 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 152.1 rainfall days, and 29.72" (755mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall in Jackson.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:44 am and sunset at 4:55 pm. On the last day of December, in Jackson, sunrise is at 7:01 am and sunset at 5:06 pm CST.
Sunshine
In Jackson, the average sunshine in December is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Jackson. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. To cut down UV radiation exposure by about half, sport a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Jackson?
What is the most humid month in Jackson?
What is the average humidity in December in Jackson?
How much does it rain in Jackson in December?
When it does not snow in Jackson?
Does it snow in Jackson in December?
What is the month with the shortest days in Jackson?
How many hours of daylight does Jackson have in December?
When are sunrise and sunset in December in Jackson?
How long on average sun shines in December in Jackson?
What is the month with the lowest UV index in Jackson?
How high is the UV index in December in Jackson?
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).
Average pressure in December
Jackson, 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
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).
Average humidity in December
Jackson, 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
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").
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).
Average snowfall in December
Jackson, MS
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
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).
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
Jackson, 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 month with the least sunshine is February (Average sunshine: 4h and 54min).
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).
Average UV index in December
Jackson, 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
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).
Average visibility in December
Jackson, 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).
Jackson, Mississippi, USA
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