December weather forecastSherman, MS
December
Weather in December
The first month of the winter, December, is also a fresh month in Sherman, Mississippi, with an average temperature fluctuating between 52.7°F (11.5°C) and 39.4°F (4.1°C).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's moderate 60.4°F (15.8°C) to a fresh 52.7°F (11.5°C). The temperature dips to an average of 39.4°F (4.1°C) during December nights.Humidity
The months with the highest humidity are March and December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 12.5 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. Throughout the year, there are 159.4 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In December, it is snowing for 0.9 days. Throughout December, 0.28" (7mm) of snow is accumulated. Throughout the year, there are 5.7 snowfall days, and 1.18" (30mm) of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Sherman.On the first day of December, sunrise is at 6:44 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:55 pm CST.
Sunshine
The average sunshine in December in Sherman is 4.8h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Sherman. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 in December translates into these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. 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
Average temperature in December
Sherman, MS
- Average high temperature in December: 52.7°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (49.5°F).
- Average low temperature in December: 39.4°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in December
Sherman, 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
Sherman, MS
- Average wind speed in December: 7.2mph
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 (4.7mph).
Average humidity in December
Sherman, MS
- Average humidity in December: 80%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Sherman, MS
- Average rainfall in December: 2.83"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Sherman, MS
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Sherman, MS
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sherman, MS
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (1.9 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
Sherman, MS
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 48min
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 42min).
Average sunshine days in December
Sherman, MS
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in December
Sherman, 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, February, November and December (UV index 3).
Average cloud cover in December
Sherman, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in December
Sherman, MS
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
