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
The onset of December entails a subtle temperature shift, as the average high-temperature eases from a comfortable 66.4°F (19.1°C) in November to a mild 59.5°F (15.3°C). During the nights in December, an average low-temperature of 43.7°F (6.5°C) is observed.Humidity
December is the most humid month in Sumrall, Mississippi, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. In Sumrall, Mississippi, during the entire year, the rain falls for 159.8 days and collects up to 22.56" (573mm) of precipitation.Snowfall
January through March and December are months with snowfall in Sumrall. December is the month with the most snowfall. Snow falls for 0.4 days and accumulates 0.31" (8mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:40 am and sunset at 4:54 pm. On the last day of December, in Sumrall, Mississippi, sunrise is at 6:57 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 are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature in Sumrall?
What is the most humid month in Sumrall?
What is the average humidity in December in Sumrall?
How much does it rain in Sumrall in December?
What is the snowiest month in Sumrall?
When does it start to snow in Sumrall?
What is the month with the shortest days in Sumrall?
How many hours of daylight does Sumrall have in December?
When is the sunrise / sunset in December in Sumrall?
What is the month with the least sunshine in Sumrall?
How long on average sun shines in December in Sumrall?
What is the month with the lowest UV index in Sumrall?
What is the UV index reading in December in Sumrall?
Average temperature in December
Sumrall, MS
- Average high temperature in December: 59.5°F
The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is August (72.5°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Sumrall, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Sumrall, MS
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January, February and April (6.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Sumrall, 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 (71%).
Average rainfall in December
Sumrall, MS
- Average rainfall in December: 2.28"
The wettest month (with the highest rainfall) is July (2.95").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Sumrall, MS
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (7.4 days).
Average snowfall in December
Sumrall, MS
- Average snowfall in December: 0.31"
The month with the highest snowfall is December (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Sumrall, MS
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are January and December (0.4 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
Sumrall, 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 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
Sumrall, MS
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Sumrall, 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
Sumrall, MS
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Sumrall, MS
- Average visibility in December: 5mi
The months with the highest visibility are January, October and November (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August, September and December (5mi).
Sumrall, Mississippi, USA
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