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
December brings a slight decrease in temperature, down from a refreshing 67.1°F (19.5°C) in November to a moderate 60.6°F (15.9°C). December brings with it a nighttime average temperature of 45.5°F (7.5°C) in Sumner.Humidity
In Sumner, the average relative humidity in December is 76%.Rainfall
In Sumner, during December, the rain falls for 11.5 days and regularly aggregates up to 3.66" (93mm) of precipitation. In Sumner, during the entire year, the rain falls for 173.7 days and collects up to 34.49" (876mm) of precipitation.Snowfall
In Sumner, Georgia, snow does not fall in February through December.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Sumner.On the first day of the month, sunrise is at 7:17 am and sunset at 5:31 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:42 pm EST.
Sunshine
With an average of 5.4h of sunshine, December has the least sunshine of the year.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sumner have 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 reading in December?
Average temperature in December
Sumner, GA
- Average high temperature in December: 60.6°F
The warmest months (with the highest average high temperature) are July and August (89.1°F).
The month with the lowest average high temperature is January (57.6°F).
- Average low temperature in December: 45.5°F
The months with the highest average low temperature are July and August (72.9°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
Sumner, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Sumner, GA
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Sumner, GA
- Average humidity in December: 76%
The month with the highest relative humidity is August (77%).
The months with the lowest relative humidity are January, October and November (71%).
Average rainfall in December
Sumner, GA
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is August (3.98").
The driest month (with the least rainfall) is November (1.81").
Average rainfall days in December
Sumner, GA
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is July (23.1 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Sumner, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Sumner, GA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 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
Sumner, GA
- 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: 5h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Sumner, GA
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in December
Sumner, GA
- 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
Sumner, GA
- Average cloud cover in December: 41
The month with the most cloud cover is December (Cloud cover 41).
The months with the least cloud cover are May and October (Cloud cover 28).
Average visibility in December
Sumner, GA
- 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).
Sumner, Georgia, USA
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