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
Sallis experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from an enjoyable 62.6°F (17°C) in November to a moderate 55.4°F (13°C). An average low-temperature of 41.2°F (5.1°C) is anticipated throughout the nights during December.Humidity
With an average relative humidity of 81%, December is the most humid month.Rainfall
In Sallis, in December, during 13.2 rainfall days, 3.5" (89mm) of precipitation is typically accumulated. In Sallis, during the entire year, the rain falls for 168.2 days and collects up to 41.06" (1043mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Sallis, during December, snow falls for 0.5 days and regularly aggregates up to 0.08" (2mm) of snow. Throughout the year, there are 3.4 snowfall days, and 1.06" (27mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:44 am and sunset at 4:52 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:02 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 4.8h 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 reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 3 transforms into the following advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Sallis?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index in Sallis?
What is the UV index intensity in December in Sallis?
Average temperature in December
Sallis, MS
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (52.3°F).
- Average low temperature in December: 41.2°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Sallis, 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
Sallis, MS
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Sallis, 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
Sallis, MS
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is April (4.49").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in December
Sallis, MS
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Sallis, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sallis, MS
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.3 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
Sallis, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Sallis, MS
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in December
Sallis, 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
Sallis, MS
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The months with the least cloud cover are September and October (Cloud cover 28).
Average visibility in December
Sallis, 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).
Sallis, Mississippi, USA
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