December weather forecastMcSwain, MS
December
Weather in December
The first month of the winter, December, is also a moderate month in McSwain, Mississippi, with temperature in the range of an average high of 59.7°F (15.4°C) and an average low of 43.7°F (6.5°C).Temperature
The transition to December results in a modest reduction in average high-temperature, moving from an enjoyable 66.7°F (19.3°C) in November to a still refreshing 59.7°F (15.4°C). In the month of December, an average of 43.7°F (6.5°C) marks the low-temperature.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In McSwain, in December, it is raining for 13.8 days, with typically 3.74" (95mm) of accumulated precipitation. In McSwain, Mississippi, during the entire year, the rain falls for 177.1 days and collects up to 36.42" (925mm) of precipitation.Snowfall
January through March and December are months with snowfall in McSwain. The month with the most snowfall in McSwain 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 in McSwain, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:37 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:03 pm CST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year in McSwain.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in McSwain, Mississippi. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in December translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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
McSwain, 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).
