Climate and monthly weather forecastSummerville, GA
Climate and monthly weather forecast
Weather in January
January, like December, is a frosty winter month in Summerville, Georgia, with an average temperature fluctuating between 47.7°F (8.7°C) and 32.4°F (0.2°C). Summerville notes the coldest temperatures in January, with a high average of 47.7°F (8.7°C) and a low of 32.4°F (0.2°C). Weather in January »Weather in February
The last month of the winter, February, is a cool month in Summerville, Georgia, with an average temperature varying between 53.1°F (11.7°C) and 36.3°F (2.4°C). With the transition into February, Summerville experiences a subtle uplift in average high-temperatures, adjusting from a frosty 47.7°F (8.7°C) in January to a fresh 53.1°F (11.7°C). Weather in February »Weather in March
The first month of the spring, March, is a mild month in Summerville, Georgia, with an average temperature ranging between min 43.2°F (6.2°C) and max 60.4°F (15.8°C). March marks a minor ascent in the average high-temperature, adjusting from February's cool 53.1°F (11.7°C) to a moderate 60.4°F (15.8°C). Weather in March »Weather in April
April in Summerville, Georgia, is a pleasant spring month, with an average temperature fluctuating between 50.2°F (10.1°C) and 70.7°F (21.5°C). As March transitions into April, a change in temperatures is observed, with average highs moving from a moderate 60.4°F (15.8°C) to a pleasant 70.7°F (21.5°C). Weather in April »Weather in May
The last month of the spring, May, is a moderately hot month in Summerville, Georgia, with an average temperature fluctuating between 57.7°F (14.3°C) and 78.6°F (25.9°C). With the start of May, the average high-temperature marginally shifts from April's pleasant 70.7°F (21.5°C) to a warm 78.6°F (25.9°C). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Summerville, Georgia, with an average temperature ranging between min 64.6°F (18.1°C) and max 85.6°F (29.8°C). A slight uplift in the average high-temperature marks June, adjusting from May's 78.6°F (25.9°C) to a still moderately hot 85.6°F (29.8°C). Weather in June »Weather in July
July in Summerville, Georgia, is a hot summer month, with an average temperature fluctuating between 88.3°F (31.3°C) and 67.6°F (19.8°C). July, on average, is the warmest month, registering a high temperature of 88.3°F (31.3°C) and a low of 67.6°F (19.8°C). July's mean heat index is computed to be a blisteringly hot 104°F (40°C). Weather in July »Weather in August
The last month of the summer, August, is also a hot month in Summerville, Georgia, with an average temperature ranging between min 66.7°F (19.3°C) and max 87.4°F (30.8°C). Summerville, Georgia, records an average high-temperature of a still hot 87.4°F (30.8°C) as August arrives, nearly mirroring the previous month's climate. Weather in August »Weather in September
September, the first month of the autumn in Summerville, is still a warm month, with temperature in the range of an average low of 61.7°F (16.5°C) and an average high of 81.9°F (27.7°C). In Summerville, entering September brings a subtle temperature decrement, reducing from August's tropical 87.4°F (30.8°C) to a warm 81.9°F (27.7°C). Weather in September »Weather in October
October, like September, is another pleasant autumn month in Summerville, Georgia, with an average temperature varying between 71.2°F (21.8°C) and 50.9°F (10.5°C). October brings a decrease in the average high-temperature, shifting from a moderately hot 81.9°F (27.7°C) in September to a pleasant 71.2°F (21.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another mild month in Summerville, Georgia, with temperature in the range of an average low of 41°F (5°C) and an average high of 59.2°F (15.1°C). As October transitions to November, the average high-temperature falls from a pleasant 71.2°F (21.8°C) to a moderate 59.2°F (15.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a cool month in Summerville, Georgia, with an average temperature ranging between max 52.3°F (11.3°C) and min 36.9°F (2.7°C). A modest decline in the average high-temperature is seen during December, decreasing from a refreshing 59.2°F (15.1°C) in November to a cool 52.3°F (11.3°C). Weather in December »Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With average high and low temperatures of 47.7°F (8.7°C) and 32.4°F (0.2°C) respectively, January is Summerville's coldest month.
In Summerville, during the entire year, the rain falls for 157 days and collects up to 20" (508mm) of precipitation.
Months with snowfall are January through March, November and December.
In Summerville, during the entire year, snow falls for 3.7 days and aggregates up to 0.91" (23mm) of snow.
The months with the lowest UV index are January and December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 1.1 days and typically aggregates up to 0.28" (7mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
In Summerville, snow does not fall in April through October.
May through August, with an average maximum UV index of 6, are months with the highest UV index.
June has the longest days of the year, with an average of 14h and 24min of daylight.
The months with the most sunshine are June and July, with an average of 10.2h of sunshine.
In Summerville, July is identified by the average highest temperatures, reaching a peak of 88.3°F (31.3°C) and a low of 67.6°F (19.8°C).
The month with the most rainfall in Summerville is August, when the rain falls for 18 days and typically aggregates up to 2.56" (65mm) of precipitation.
October is the least humid month, with an average relative humidity of 74%.
The month with the least rainfall in Summerville is October, when the rain falls for 8.4 days and typically collects 1.06" (27mm) of precipitation.
The most humid month is December, with an average relative humidity of 80%.
December has the shortest days of the year, with an average of 9h and 54min of daylight.
December has the least sunshine of the year, with an average of 4.7h of sunshine.
Average temperature
Summerville, GA
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (47.7°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure
Summerville, GA
- Average pressure in January:
30.17"Hg - Average pressure in February:
30.13"Hg - Average pressure in March:
30.1"Hg - Average pressure in April:
30.01"Hg - Average pressure in May:
30.02"Hg - Average pressure in June:
29.98"Hg
- Average pressure in July:
30.01"Hg - Average pressure in August:
30"Hg - Average pressure in September:
30.03"Hg - Average pressure in October:
30.06"Hg - Average pressure in November:
30.16"Hg - Average pressure in December:
30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed
Summerville, GA
- Average wind speed in January:
7mph - Average wind speed in February:
7.2mph - Average wind speed in March:
7mph - Average wind speed in April:
6.8mph - Average wind speed in May:
5.3mph - Average wind speed in June:
4.5mph
- Average wind speed in July:
4.2mph - Average wind speed in August:
4.1mph - Average wind speed in September:
4.5mph - Average wind speed in October:
5.7mph - Average wind speed in November:
6mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity
Summerville, GA
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall
Summerville, GA
- Average rainfall in January:
1.22" - Average rainfall in February:
1.77" - Average rainfall in March:
1.69" - Average rainfall in April:
1.5" - Average rainfall in May:
1.89" - Average rainfall in June:
2.17"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.56" - Average rainfall in September:
1.22" - Average rainfall in October:
1.06" - Average rainfall in November:
1.14" - Average rainfall in December:
1.46"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is October (1.06").
Average rainfall days
Summerville, GA
- Average rainfall days in January:
9.8 days - Average rainfall days in February:
11 days - Average rainfall days in March:
13.2 days - Average rainfall days in April:
12.3 days - Average rainfall days in May:
15.7 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
19.8 days - Average rainfall days in August:
18 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
8.4 days - Average rainfall days in November:
7.8 days - Average rainfall days in December:
11.2 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (7.8 days).
Average snowfall
Summerville, GA
The month with the highest snowfall is February (0.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days
Summerville, GA
- Average snowfall days in January:
1.3 days - Average snowfall days in February:
1.1 days - Average snowfall days in March:
0.3 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:
0.4 days - Average snowfall days in December:
0.6 days
The month with the highest number of snowfall days is January (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Summerville, GA
- Average daylight in January:
10h and 12min - Average daylight in February:
11h and 0min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 0min - Average daylight in June:
14h and 24min
- Average daylight in July:
14h and 12min - Average daylight in August:
13h and 24min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 24min - Average daylight in December:
9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January:
5h and 24min - Average sunshine in February:
6h and 0min - Average sunshine in March:
6h and 24min - Average sunshine in April:
8h and 6min - Average sunshine in May:
9h and 30min - Average sunshine in June:
10h and 12min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
9h and 0min - Average sunshine in September:
8h and 18min - Average sunshine in October:
7h and 12min - Average sunshine in November:
5h and 36min - Average sunshine in December:
4h and 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days
Summerville, GA
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
16.1 days - Average sunshine days in May:
13.4 days - Average sunshine days in June:
11.1 days
- Average sunshine days in July:
9.2 days - Average sunshine days in August:
10.9 days - Average sunshine days in September:
15.3 days - Average sunshine days in October:
21.4 days - Average sunshine days in November:
19.5 days - Average sunshine days in December:
17.2 days
The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (9.2 days).
Average UV index
Summerville, GA
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover
Summerville, GA
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility
Summerville, GA
The months with the highest visibility are February, March, April, June, October and November (6mi).
The months with the lowest visibility are January, May, July, August, September and December (5mi).
