December weather forecastHattiesburg, MS
December
Weather in December
Winter assumes full swing in Hattiesburg, Mississippi, as December advances. Witnessing the lowest temperature of the year, December’s highest temperature drops to 59.7°F (15.4°C). The famed holiday season fills the air with cheer, with twinkling lights brightening winter nights. Despite the cold weather, the city thrives, with holiday celebrations taking over. As the month concludes, the residents of Hattiesburg anticipate the new year and the weather changes it will bring.Temperature
Hattiesburg's December weather features a light decline in high-temperatures, reducing from an enjoyable 66.7°F (19.3°C) in November to a mild 59.7°F (15.4°C). During the nights in December, Hattiesburg experiences a consistent average temperature of 43.7°F (6.5°C).Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In Hattiesburg, in December, during 13.8 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.4 days and typically aggregates up to 0.39" (10mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:54 pm. On the last day of December, sunrise is at 6:55 am and sunset at 5:05 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
January 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 vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 3 in December suggests the following recommendations:
Take precautions - Protection against sunburn is recommended. When the Sun is at its strongest around midday, find shade and limit exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hattiesburg, MS
- Average high temperature in December: 59.7°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Hattiesburg, 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
Hattiesburg, MS
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).
Average humidity in December
Hattiesburg, 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 (71%).
Average rainfall in December
Hattiesburg, MS
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is November (1.77").
Average rainfall days in December
Hattiesburg, MS
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Hattiesburg, MS
- Average snowfall in December: 0.39"
The month with the highest snowfall is December (0.39").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Hattiesburg, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.5 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
Hattiesburg, MS
- Average daylight in December: 10h and 12min
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 12min).
- 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 December (Average sunshine: 4h and 54min).
Average sunshine days in December
Hattiesburg, MS
- Average sunshine days in December: 14.9 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is August (6.4 days).
Average UV index in December
Hattiesburg, 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
Hattiesburg, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Hattiesburg, MS
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
