December weather forecastPreston, MS
December
Weather in December
The first month of the winter, December, is still a mild month in Preston, Mississippi, with an average temperature varying between 41.4°F (5.2°C) and 55.8°F (13.2°C).Temperature
December's onset corresponds with a subtle shift in the average high-temperature, slightly moving from an enjoyable 62.8°F (17.1°C) in November to a mild 55.8°F (13.2°C). During December, the temperature is averaged to a low of 41.4°F (5.2°C) at night.Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In Preston, in December, it is raining for 13.2 days, with typically 3.78" (96mm) of accumulated precipitation. In Preston, during the entire year, the rain falls for 176.8 days and collects up to 40.59" (1031mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.24" (6mm) of snow. Throughout the year, there are 3.7 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 4:48 pm. On the last day of December, sunrise is at 6:57 am and sunset at 4:59 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in December translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be alert! Nearly double the UV rays 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
Preston, MS
- Average high temperature in December: 55.8°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (53.1°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Preston, 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
Preston, MS
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Preston, 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
Preston, MS
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is November (2.48").
Average rainfall days in December
Preston, MS
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Preston, MS
- Average snowfall in December: 0.24"
The month with the highest snowfall is January (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Preston, MS
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 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
Preston, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- 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
Preston, MS
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Preston, 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
Preston, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 29).
Average visibility in December
Preston, 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).





