December weather forecastState Line, MS
December
Weather in December
The first month of the winter, December, is also a moderate month in State Line, Mississippi, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 59.2°F (15.1°C).Temperature
Start of December brings a slight shift in the average high-temperature, dipping a bit from November's enjoyable 66.2°F (19°C) to a still refreshing 59.2°F (15.1°C). December's average low-temperature reading settles at a frosty 42.8°F (6°C).Humidity
With an average relative humidity of 82%, December is the most humid month in State Line.Rainfall
In State Line, Mississippi, in December, it is raining for 12.5 days, with typically 3.03" (77mm) of accumulated precipitation. In State Line, Mississippi, during the entire year, the rain falls for 163.4 days and collects up to 31.06" (789mm) of precipitation.Snowfall
Months with snowfall are January through March and December. The month with the most snowfall is December, when snow falls for 0.4 days and typically aggregates up to 0.31" (8mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in State Line.On the first day of the month, sunrise is at 6:35 am and sunset at 4:50 pm. On the last day of December, sunrise is at 6:52 am and sunset at 5:01 pm CST.
Sunshine
The months with the least sunshine in State Line are February and December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. 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
State Line, MS
- Average high temperature in December: 59.2°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 42.8°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
State Line, 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
State Line, MS
- Average wind speed in December: 6.1mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).
Average humidity in December
State Line, MS
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
State Line, MS
- Average rainfall in December: 3.03"
The wettest month (with the highest rainfall) is July (3.62").
The driest month (with the least rainfall) is November (1.61").
Average rainfall days in December
State Line, MS
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
State Line, MS
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
State Line, 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
State Line, 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 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
State Line, MS
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (20.8 days).
The month with the least sunshine days is July (7.2 days).
Average UV index in December
State Line, 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
State Line, MS
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
State Line, 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).
