December weather forecastSanatorium, MS
December
Weather in December
The first month of the winter, December, is still a refreshing month in Sanatorium, Mississippi, with temperature in the range of an average high of 58.1°F (14.5°C) and an average low of 43°F (6.1°C).Temperature
December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's enjoyable 64.9°F (18.3°C) to a moderate 58.1°F (14.5°C). Sanatorium temperatures generally rest at a low of 43°F (6.1°C) during the December nights.Humidity
December is the most humid month in Sanatorium, Mississippi, with an average relative humidity of 81%.Rainfall
In December, in Sanatorium, the rain falls for 11.4 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, there are 151.1 rainfall days, and 22.28" (566mm) of precipitation is accumulated.Snowfall
January, February and December are months with snowfall in Sanatorium. The months with the most snowfall in Sanatorium are January and December, with an average 0.28" (7mm) of accumulated snow.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of December, sunrise is at 6:42 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:05 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Sanatorium are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 3 in December interprets into the following advice:
Be vigilant - Preventing sunburn is recommended. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sanatorium, MS
- Average high temperature in December: 58.1°F
The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (55.2°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
Sanatorium, 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
Sanatorium, 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
Sanatorium, 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
Sanatorium, MS
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Sanatorium, MS
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in December
Sanatorium, MS
- Average snowfall in December: 0.28"
The months with the highest snowfall are January and December (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sanatorium, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.6 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
Sanatorium, 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 54min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Sanatorium, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (21.2 days).
The months with the least sunshine days are July and August (9.3 days).
Average UV index in December
Sanatorium, 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
Sanatorium, 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 29).
Average visibility in December
Sanatorium, MS
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).





