Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's arrival aligns with a minor decrease in average high-temperatures, from November's enjoyable 64.8°F (18.2°C) to a moderate 57.6°F (14.2°C). Richland registers a consistent average low-temperature of 43°F (6.1°C) during December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In Richland, in December, during 13.7 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Richland, during the entire year, the rain falls for 169.5 days and collects up to 38.82" (986mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Richland. Throughout December, in the average 0.4 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 2.2 snowfall days, and 0.98" (25mm) of snow is accumulated.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 6:44 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:06 pm CST.
Sunshine
In Richland, Mississippi, the average sunshine in December is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days in Richland?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Richland, MS
- Average high temperature in December: 57.6°F
The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (54.7°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Richland, 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
Richland, MS
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Richland, MS
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Richland, MS
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is April (3.94").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in December
Richland, MS
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is August (19.9 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Richland, MS
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Richland, 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 and October (0 days).
Average daylight in December /
Average sunshine in December
Richland, MS
- Average daylight in December: 10h and 1min
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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Richland, MS
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Richland, 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
Richland, MS
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in December
Richland, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Richland, Mississippi, USA
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