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 beginning of December brings a slight decrease in the average high-temperature, transitioning from a comfortable 66.4°F (19.1°C) in November to a mild 59.4°F (15.2°C). December generally records an average low-temperature of 44.1°F (6.7°C).Humidity
February and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Jennings, in December, during 11.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Jennings, there are 159.9 rainfall days, and 22.83" (580mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. The months with the most snowfall are January and December, with an average 0.2" (5mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:42 am and sunset at 4:58 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:09 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index in Jennings 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 unsafe exposure to UV radiation for the average person.Note: The UV index of 3 during December leads to these advisories:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What are the most humid months in Jennings?
What is the average humidity in December in Jennings?
How much does it rain in December?
When does it snow the most?
When does it start to snow?
What is the month with the shortest days?
How many hours of daylight does Jennings have in December?
When are sunrise and sunset in December?
What are the months with the least sunshine?
How many hours of sunshine does Jennings have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Jennings, MS
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in December: 44.1°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 (40.1°F).
Average pressure in December
Jennings, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Jennings, MS
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Jennings, MS
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Jennings, MS
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is August (3.39").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Jennings, MS
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Jennings, MS
- Average snowfall in December: 0.2"
The months with the highest snowfall are January and December (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Jennings, MS
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Jennings, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Jennings, MS
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (8 days).
Average UV index in December
Jennings, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Jennings, MS
- Average cloud cover in December: 51
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Jennings, MS
- Average visibility in December: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Jennings, Mississippi, USA
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