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
Moss in December experiences a gentle temperature dip, with average high-temperatures reducing from a comfortable 66°F (18.9°C) in November to a moderate 58.8°F (14.9°C). Moss in December anticipates an average nighttime temperature of 43°F (6.1°C).Humidity
December is the most humid month, with an average relative humidity of 82%.Rainfall
In Moss, in December, it is raining for 12.2 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 157.7 rainfall days, and 23.94" (608mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 1.8 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December in Moss, sunrise is at 6:39 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:03 pm CST.
Sunshine
The months with the least sunshine 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 reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 3 during December leads to these advisories:
Ensure safety - Sun damage prevention is strongly urged. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
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?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Moss, MS
- Average high temperature in December: 58.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Moss, 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
Moss, MS
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are January, February and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Moss, 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
Moss, MS
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Moss, MS
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Moss, MS
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Moss, MS
- Average snowfall days in December: 0.3 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
Moss, 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: 4h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Moss, MS
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Moss, 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
Moss, MS
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Moss, MS
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, October and November (6mi).
The months with the lowest visibility are May, July, August, September and December (5mi).
Moss, Mississippi, USA
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