January weather forecastSummertown, GA
January
Weather in January
January, the same as December, is a cool winter month in Summertown, Georgia, with an average temperature varying between 55.2°F (12.9°C) and 39.4°F (4.1°C).Temperature
With its high average temperature of 55.2°F (12.9°C) and a low of 39.4°F (4.1°C), January is regarded as the coldest month.Humidity
January and November, with an average relative humidity of 71%, are the least humid months.Rainfall
In Summertown, during January, the rain falls for 11.5 days and regularly aggregates up to 2.13" (54mm) of precipitation. Throughout the year, in Summertown, there are 174.8 rainfall days, and 34.17" (868mm) of precipitation is accumulated.Snowfall
January, March through November are months without snowfall in Summertown.Daylight
In January, the average length of the day in Summertown, Georgia, is 10h and 17min.On the first day of January, sunrise is at 7:31 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 6:00 pm EST.
Sunshine
The average sunshine in January is 5.8h.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 medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index, 3 in January, converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Summertown, GA
- Average high temperature in January: 55.2°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 (55.2°F).
- Average low temperature in January: 39.4°F
The month with the highest average low temperature is July (73.2°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in January
Summertown, GA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in January
Summertown, GA
- Average wind speed in January: 8.1mph
The windiest months (with the highest average wind speed) are February, March and April (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in January
Summertown, GA
- Average humidity in January: 71%
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January and November (71%).
Average rainfall in January
Summertown, GA
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is August (3.94").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in January
Summertown, GA
- Average rainfall days in January: 11.5 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in January
Summertown, GA
- Average snowfall in January: 0"
The month with the highest snowfall is February (0.08").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Summertown, GA
- Average snowfall days in January: 0.1 days
The month with the highest number of snowfall days is February (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
Summertown, GA
- Average daylight in January: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Summertown, GA
- Average sunshine days in January: 18 days
The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is August (6.7 days).
Average UV index in January
Summertown, GA
- Average UV index in January: 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 January
Summertown, GA
- Average cloud cover in January: 36
The month with the most cloud cover is December (Cloud cover 41).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in January
Summertown, 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).





