Summerville, SC Weather
Summerville, SC climate is hot during summer when temperatures tend to be in the 80's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is July with an average maximum temperature of 90.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 34.80 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and moderate during winter with an average difference of 24 degrees Fahrenheit.
The annual average precipitation at Summerville is 53.47 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 6.64 Inches.
Weather Data
Current Conditions
|
Overcast, 64°F | Humidity: 90% | Dewpoint: 61°F |
| Wind Speed: S 13.8 MPH (12 KT) | Heat Index: 64°F | ||
| Barometer: 29.84 in. | Wind Chill: 64°F |
Weather Forecast
 | Tonight: Showers likely with a chance of thunderstorms. Lows in the lower 50s. South winds around 15 mph with gusts to 25 mph. Chance of rain 70 percent. | |
| Lo: 51°F | ||
 | Hi: 61°F | Monday: Mostly cloudy. A chance of showers and thunderstorms in the morning...Then a slight chance of showers in the afternoon. Highs in the lower 60s. Southwest winds 15 to 20 mph. Chance of rain 30 percent. |
| Lo: 41°F | ||
 | Hi: 69°F | Tuesday: Sunny. Highs in the upper 60s. West winds 5 to 10 mph... Increasing to 15 to 20 mph in the afternoon. |
| Lo: 45°F | ||
| Hi: 75°F | Wednesday: Sunny. Highs in the mid 70s. |
| Lo: 49°F | ||
 | Hi: 75°F | Thursday: Partly cloudy. Highs in the mid 70s. |
| Lo: 51°F | ||
 | Hi: 75°F | Friday: Mostly cloudy with a 30 percent chance of showers. Highs in the mid 70s. |
| Lo: 49°F | ||
| Hi: 69°F | Saturday: Mostly cloudy with a 20 percent chance of showers. Highs in the upper 60s. |
| Lo: 49°F |
Moon, Sunrise and Sunset
 |
Moon Phase: Waxing Crescent Moon | Civil Twilight: 6:58 AM EDT |
Sunrise: 7:22 AM EDT |
| Sunset: 7:33 PM EDT |
Civil Twilight: 7:57 PM EDT |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 58.2 | 61.8 | 69.3 | 76.2 | 82.8 | 87.8 | 90.8 | 89.4 | 85.0 | 76.8 | 69.4 | 61.0 | 75.7 |
| Mean °F | 46.5 | 49.1 | 56.2 | 62.6 | 70.7 | 77.2 | 80.8 | 79.8 | 75.1 | 64.8 | 56.9 | 49.0 | 64.1 |
| Min °F | 34.8 | 36.4 | 43.1 | 48.9 | 58.5 | 66.6 | 70.8 | 70.1 | 65.1 | 52.8 | 44.3 | 37.0 | 52.4 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 4.82 | 3.41 | 4.40 | 3.15 | 3.70 | 6.00 | 6.09 | 6.64 | 5.83 | 3.22 | 2.79 | 3.42 | 53.47 |
