Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
In Sumner, the month of January registers the lowest temperatures, averaging 57.6°F (14.2°C) at the peak and 41°F (5°C) at the lowest.Humidity
The months with the lowest humidity are January, October and November, with an average relative humidity of 71%.Rainfall
In Sumner, in January, during 10.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Sumner, during the entire year, the rain falls for 173.7 days and collects up to 34.49" (876mm) of precipitation.Snowfall
January is the only month when snow falls. January is the month with the most snowfall. Snow falls for 0.3 days and accumulates 0.08" (2mm) of snow.Daylight
In January, the average length of the day in Sumner is 10h and 22min.On the first day of the month, sunrise is at 7:34 am and sunset at 5:42 pm. On the last day of January, sunrise is at 7:28 am and sunset at 6:08 pm EST.
Sunshine
In Sumner, the average sunshine in January is 6.3h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in January suggests the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year?
What are January temperatures?
What are the least humid months?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
When does it start snowing?
How many hours of daylight does Sumner have in January?
When is the sunrise / sunset in January?
How many hours of sunshine does Sumner have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Sumner, GA
- Average high temperature in January: 57.6°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 January: 41°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 January
Sumner, GA
- Average pressure in January: 30.16"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 January
Sumner, GA
- Average wind speed in January: 8.6mph
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 January
Sumner, GA
- Average humidity in January: 71%
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 January
Sumner, GA
- Average rainfall in January: 2.2"
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 January
Sumner, GA
- Average rainfall days in January: 10.3 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 January
Sumner, GA
- Average snowfall in January: 0.08"
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 January
Sumner, GA
- Average snowfall days in January: 0.3 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 January /
Average sunshine in January
Sumner, GA
- Average daylight in January: 10h and 2min
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 January: 6h 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 January
Sumner, GA
- Average sunshine days in January: 18.8 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 January
Sumner, GA
- Average UV index in January: 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 January
Sumner, GA
- Average cloud cover in January: 36
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 January
Sumner, GA
- Average visibility in January: 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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