December weather forecastUpton, MS
December
Weather in December
December, the first month of the winter in Upton, is still a refreshing month, with an average temperature varying between 43°F (6.1°C) and 58.1°F (14.5°C).Temperature
December is marked by a subtle drop in average high-temperatures, transitioning from an enjoyable 64.9°F (18.3°C) in November to a moderate 58.1°F (14.5°C). An average low-temperature of 43°F (6.1°C) is recorded during the nights in December.Humidity
The most humid month in Upton is December, with an average relative humidity of 81%.Rainfall
In Upton, during December, the rain falls for 11.4 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, there are 151.1 rainfall days, and 22.28" (566mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. The months with the most snowfall are January and December, with an average 0.28" (7mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.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 6:59 am and sunset at 5:05 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.9h of sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Upton, 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
Upton, 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
Upton, 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
Upton, 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
Upton, 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
Upton, 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
Upton, 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
Upton, 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
Upton, MS
- Average daylight in December: 10h and 6min
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 54min
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
Upton, 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
Upton, 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
Upton, 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
Upton, 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).





