December weather forecastArnold Line, MS
December
Weather in December
The first month of the winter, December, is still a refreshing month in Arnold Line, Mississippi, with an average temperature ranging between max 59.7°F (15.4°C) and min 43.7°F (6.5°C).Temperature
December's arrival subtly correlates with a reduction in the average high-temperature, down from an enjoyable 66.7°F (19.3°C) in November to a mild 59.7°F (15.4°C). Throughout December, Arnold Line registers a consistent average low-temperature of 43.7°F (6.5°C).Humidity
December is the most humid month in Arnold Line, Mississippi, with an average relative humidity of 81%.Rainfall
In Arnold Line, in December, it is raining for 13.8 days, with typically 3.74" (95mm) of accumulated precipitation. Throughout the year, in Arnold Line, there are 177.1 rainfall days, and 36.42" (925mm) of precipitation is accumulated.Snowfall
Months with snowfall in Arnold Line are January through March and December. December is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.39" (10mm) of snow.Daylight
December has the shortest days of the year in Arnold Line, Mississippi, with an average of 10h and 12min of daylight.On the first day of December in Arnold Line, sunrise is at 6:39 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:05 pm CST.
Sunshine
December has the least sunshine of the year in Arnold Line, with an average of 4.9h of sunshine.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 moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold Line, 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
Arnold 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
Arnold Line, 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
Arnold 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).





