December weather forecastUnion Hall, MS
December
Weather in December
The first month of the winter, December, is still a cool month in Union Hall, Mississippi, with an average temperature fluctuating between 39.4°F (4.1°C) and 52.9°F (11.6°C).Temperature
The arrival of December corresponds with a minor reduction in the average high-temperature, down from November's comfortable 60.8°F (16°C) to a cool 52.9°F (11.6°C). During December, Union Hall's temperature averages to a cold 39.4°F (4.1°C) at night.Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
In Union Hall, in December, it is raining for 12.3 days, with typically 3.15" (80mm) of accumulated precipitation. In Union Hall, during the entire year, the rain falls for 160 days and collects up to 35.2" (894mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Union Hall, in December, during 0.7 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Union Hall, during the entire year, snow falls for 5.1 days and aggregates up to 1.42" (36mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:46 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:58 pm CST.
Sunshine
In December, the average sunshine is 4.9h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Enhance your sun protection with tightly woven, yet airy clothing. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Union Hall, MS
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (49.5°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Union Hall, 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 (29.95"Hg).
Average wind speed in December
Union Hall, MS
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Union Hall, MS
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Union Hall, MS
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is February (4.02").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in December
Union Hall, MS
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Union Hall, MS
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Union Hall, MS
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is February (1.7 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Union Hall, MS
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 54min
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 42min).
Average sunshine days in December
Union Hall, MS
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Union Hall, 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, February and December (UV index 3).
Average cloud cover in December
Union Hall, MS
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Union Hall, 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).





