December weather forecastMarion, MS
December
Weather in December
The first month of the winter, December, is still a refreshing month in Marion, Mississippi, with an average temperature ranging between min 41.9°F (5.5°C) and max 56.8°F (13.8°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's refreshing 64.6°F (18.1°C) to a moderate 56.8°F (13.8°C). Marion temperatures generally rest at a low of 41.9°F (5.5°C) during the December nights.Humidity
With an average relative humidity of 81%, December is the most humid month in Marion.Rainfall
December is the month with the most rainfall. Rain falls for 13 days and accumulates 3.78" (96mm) of precipitation.Snowfall
Months with snowfall are January, February, November and December. The months with the most snowfall are January and December, with an average 0.39" (10mm) of accumulated snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:38 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:59 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.8h 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 reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in December leads to these guidelines:
Guard yourself - Avoiding sunburn is suggested. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marion, MS
- Average high temperature in December: 56.8°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (37.6°F).
Average pressure in December
Marion, 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
Marion, MS
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Marion, 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 (70%).
Average rainfall in December
Marion, MS
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is December (3.78").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
Marion, MS
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (8.4 days).
Average snowfall in December
Marion, MS
- Average snowfall in December: 0.39"
The months with the highest snowfall are January and December (0.39").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
Marion, MS
- Average snowfall days in December: 0.5 days
The months with the highest number of snowfall days are January and February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Marion, 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 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Marion, MS
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (8.7 days).
Average UV index in December
Marion, MS
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Marion, 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 30).
Average visibility in December
Marion, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
