December weather forecastNatchez, MS

December
Weather in December
December in Natchez, Mississippi, emerges as a preface to the winter with temperatures diving to a brisk 58.6°F (14.8°C). The rainfall hits a surge at 3.39" (86mm) setting the stage for the upcoming frigid months. The year winds up on a frosty note with wintry conditions gradually setting in. Nevertheless, despite the chill, December retains its appeal with peaceful wintry nights and crisp air marking the festive season.Temperature
The move into December indicates a slight reduction in the average high-temperature, down from November's refreshing 65.8°F (18.8°C) to a mild 58.6°F (14.8°C). Natchez's average low-temperature in the month of December is recorded at a chilly 44.2°F (6.8°C).Humidity
In Natchez, the average relative humidity in December is 81%.Rainfall
In Natchez, Mississippi, in December, it is raining for 12.7 days, with typically 3.39" (86mm) of accumulated precipitation. In Natchez, during the entire year, the rain falls for 168.8 days and collects up to 37.52" (953mm) of precipitation.Snowfall
January through March and December are months with snowfall in Natchez. December is the first month it typically snows in Natchez. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 1.7 snowfall days, and 0.75" (19mm) of snow is accumulated.Daylight
December has the shortest days of the year in Natchez, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:47 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:12 pm CST.
Sunshine
With an average of 4.8h 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 in Natchez. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Natchez, MS
- Average high temperature in December: 58.6°F
The warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (55.9°F).
- Average low temperature in December: 44.2°F
The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.6°F).
Average pressure in December
Natchez, 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 (29.96"Hg).
Average wind speed in December
Natchez, MS
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is July (5mph).
Average humidity in December
Natchez, MS
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Natchez, MS
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (2.17").
Average rainfall days in December
Natchez, MS
- Average rainfall days in December: 12.7 days
The months with the highest number of rainy days are July and August (19.3 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in December
Natchez, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Natchez, MS
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 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
Natchez, 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 48min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Natchez, MS
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Natchez, 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
Natchez, 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 28).
Average visibility in December
Natchez, 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).





