Climate and monthly weather forecastSumner, GA
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Sumner, Georgia, with an average temperature varying between 41°F (5°C) and 57.6°F (14.2°C). 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. Weather in January »Weather in February
February, the last month of the winter in Sumner, is a comfortable month, with an average temperature varying between 62.2°F (16.8°C) and 45.1°F (7.3°C). The transition from January to February brings an average high-temperature of an enjoyable 62.2°F (16.8°C), barely different from January's 57.6°F (14.2°C). Weather in February »Weather in March
March, the first month of the spring in Sumner, is an agreeable month, with an average temperature ranging between max 68.5°F (20.3°C) and min 50.4°F (10.2°C). March brings a slight rise in Sumner's average high-temperature, moving from an enjoyable 62.2°F (16.8°C) in February to a pleasant 68.5°F (20.3°C). Weather in March »Weather in April
April is a warm spring month in Sumner, Georgia, with an average temperature varying between 75.9°F (24.4°C) and 57.7°F (14.3°C). April's onset is marked by a subtle temperature increase, moving from a pleasant 68.5°F (20.3°C) in March to a warm 75.9°F (24.4°C). Weather in April »Weather in May
The last month of the spring, May, is also a moderately hot month in Sumner, Georgia, with temperature in the range of an average high of 82.8°F (28.2°C) and an average low of 64.9°F (18.3°C). With the beginning of May, Sumner's average high-temperature sees a minor increase, transitioning from a warm 75.9°F (24.4°C) in April to a still moderately hot 82.8°F (28.2°C). Weather in May »Weather in June
The first month of the summer, June, is a hot month in Sumner, Georgia, with an average temperature ranging between min 71.4°F (21.9°C) and max 87.8°F (31°C). As Sumner welcomes June, the average high-temperature is noted at a tropical 87.8°F (31°C), closely aligning with the preceding month. Weather in June »Weather in July
July, the same as June, in Sumner, Georgia, is a hot summer month, with an average temperature ranging between min 72.9°F (22.7°C) and max 89.1°F (31.7°C). Sumner sees the highest average temperatures during the months of July and August, peaking at 89.1°F (31.7°C). July's mean heat index is evaluated at a blistering 107.6°F (42°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Sumner, Georgia, with temperature in the range of an average low of 72.9°F (22.7°C) and an average high of 89.1°F (31.7°C). Sumner's temperature peaks during July and August, with an average high-temperature of 89.1°F (31.7°C). The heat index value for August is evaluated at an extremely hot 107.6°F (42°C). Weather in August »Weather in September
September, the first month of the autumn in Sumner, is also a moderately hot month, with an average temperature varying between 85.1°F (29.5°C) and 68.5°F (20.3°C). Sumner experiences a subtle adjustment in high-temperatures to a warm 85.1°F (29.5°C) with the onset of September, maintaining near parity with August's 89.1°F (31.7°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Sumner, Georgia, with an average temperature ranging between max 77.5°F (25.3°C) and min 59.2°F (15.1°C). As October arrives, Sumner's weather displays a minor decrease in high-temperatures, transitioning from September's 85.1°F (29.5°C) to a still warm 77.5°F (25.3°C). Weather in October »Weather in November
The last month of the autumn, November, is another comfortable month in Sumner, Georgia, with an average temperature fluctuating between 67.1°F (19.5°C) and 49.1°F (9.5°C). The onset of November coincides with a reduction in the average high-temperature, falling from a moderately hot 77.5°F (25.3°C) in October to an enjoyable 67.1°F (19.5°C). Weather in November »Weather in December
December, the first month of the winter in Sumner, is still a mild month, with an average temperature fluctuating between 45.5°F (7.5°C) and 60.6°F (15.9°C). 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). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sumner, GA
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).
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
Sumner, GA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.12"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.02"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.99"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.13"Hg - 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
Sumner, GA
- Average wind speed in January:
8.6mph - Average wind speed in February:
8.7mph - Average wind speed in March:
8.6mph - Average wind speed in April:
8.3mph - Average wind speed in May:
7mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.8mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.5mph - Average wind speed in November:
8mph - 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
Sumner, GA
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
Sumner, GA
- Average rainfall in January:
2.2" - Average rainfall in February:
2.52" - Average rainfall in March:
2.44" - Average rainfall in April:
3.23" - Average rainfall in May:
2.64" - Average rainfall in June:
3.74"
- Average rainfall in July:
3.82" - Average rainfall in August:
3.98" - Average rainfall in September:
2.28" - Average rainfall in October:
2.17" - Average rainfall in November:
1.81" - 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
Sumner, GA
- Average rainfall days in January:
10.3 days - Average rainfall days in February:
11.3 days - Average rainfall days in March:
13.5 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
20.9 days
- Average rainfall days in July:
23.1 days - Average rainfall days in August:
23 days - Average rainfall days in September:
16.2 days - Average rainfall days in October:
9.5 days - Average rainfall days in November:
7.8 days - 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
Sumner, GA
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
Sumner, GA
- Average snowfall days in January:
0.3 days - Average snowfall days in February:
0.1 days - Average snowfall days in March:
0.1 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - 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 / Average sunshine
Sumner, GA
- Average daylight in January:
10h and 24min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 36min - 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 January:
6h and 18min - Average sunshine in February:
7h and 0min - Average sunshine in March:
7h and 36min - Average sunshine in April:
8h and 42min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 36min
- Average sunshine in July:
10h and 36min - Average sunshine in August:
9h and 6min - Average sunshine in September:
8h and 36min - Average sunshine in October:
7h and 30min - Average sunshine in November:
6h and 12min - Average sunshine in December:
5h and 24min
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
Sumner, GA
- Average sunshine days in January:
18.8 days - Average sunshine days in February:
14.8 days - Average sunshine days in March:
15.3 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.2 days - Average sunshine days in June:
7.1 days
- Average sunshine days in July:
5.5 days - Average sunshine days in August:
5.3 days - Average sunshine days in September:
11.5 days - Average sunshine days in October:
19.4 days - Average sunshine days in November:
20.5 days - 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
Sumner, GA
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
Sumner, GA
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
Sumner, GA
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).





