December weather forecastPicayune, MS
December
Weather in December
December, the first month of the winter in Picayune, is also an enjoyable month, with an average temperature ranging between min 47.3°F (8.5°C) and max 62.1°F (16.7°C).Temperature
Picayune in December undergoes a slight reduction in the average high-temperature, shifting from November's pleasant 68.7°F (20.4°C) to a comfortable 62.1°F (16.7°C). During the nights in December, Picayune experiences a consistent average temperature of 47.3°F (8.5°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Picayune, in December, it is raining for 14.1 days, with typically 3.58" (91mm) of accumulated precipitation. In Picayune, during the entire year, the rain falls for 178.7 days and collects up to 38.62" (981mm) of precipitation.Snowfall
In Picayune, snow does not fall in February through August, October through December.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:38 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:08 pm CST.
Sunshine
February and December, with an average of 5h 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 of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during December translates into the following recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. 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
Picayune, MS
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is August (91.9°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 47.3°F
The months with the highest average low temperature are July and August (75°F).
The coldest month (with the lowest average low temperature) is January (43°F).
Average pressure in December
Picayune, MS
- Average pressure in December: 30.13"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
Picayune, MS
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in December
Picayune, MS
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Picayune, MS
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is August (5.47").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Picayune, MS
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Picayune, MS
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are February, March, April, May, June, July, August, October, November and December (0").
Average snowfall days in December
Picayune, MS
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).
Average daylight in December /
Average sunshine in December
Picayune, MS
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Picayune, MS
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is August (6.6 days).
Average UV index in December
Picayune, MS
- Average UV index in December: 3
The months with the highest UV index are May, 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
Picayune, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Picayune, MS
- Average visibility in December: 5mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are February and December (5mi).





