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 shift from November to December coincides with a small decrease in the average high-temperature, down to a moderate 58.1°F (14.5°C) from a comfortable 64.9°F (18.3°C). Jaynesville records an average low-temperature of 43°F (6.1°C) throughout the month of December.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Jaynesville, during the entire year, the rain falls for 151.1 days and collects up to 22.28" (566mm) of precipitation.Snowfall
January, February and December are months with snowfall. The months with the most snowfall are January and December, with an average 0.28" (7mm) of accumulated snow.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 6:41 am and sunset at 4:54 pm. On the last day of December, sunrise is at 6:58 am and sunset at 5:05 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December leads to these instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Jaynesville have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Jaynesville, MS
- Average high temperature in December: 58.1°F
The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Jaynesville, 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
Jaynesville, MS
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Jaynesville, MS
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Jaynesville, MS
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Jaynesville, MS
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Jaynesville, MS
- Average snowfall in December: 0.28"
The months with the highest snowfall are January and December (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Jaynesville, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.6 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
Jaynesville, 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: 4h and 5min
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: 4h and 54min).
Average sunshine days in December
Jaynesville, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (21.2 days).
The months with the least sunshine days are July and August (9.3 days).
Average UV index in December
Jaynesville, 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
Jaynesville, MS
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Jaynesville, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Jaynesville, Mississippi, USA
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