Humid subtropical climate
Climate Summerville - South Carolina
Annual high77ºF
Annual low52ºF
Precipitation52.95 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 59 | 34 | 4.23 |
| Feb | 63 | 37 | 3.28 |
| Mar | 71 | 43 | 4.03 |
| Apr | 77 | 49 | 3.39 |
| May | 84 | 58 | 3.46 |
| Jun | 89 | 67 | 5.58 |
| Jul | 92 | 70 | 6.84 |
| Aug | 91 | 70 | 6.52 |
| Sep | 86 | 64 | 5.65 |
| Oct | 78 | 53 | 3.93 |
| Nov | 70 | 44 | 2.95 |
| Dec | 62 | 36 | 3.09 |
- JanHigh 59ºFLow 34ºFPrecip 4.23 inch
- FebHigh 63ºFLow 37ºFPrecip 3.28 inch
- MarHigh 71ºFLow 43ºFPrecip 4.03 inch
- AprHigh 77ºFLow 49ºFPrecip 3.39 inch
- MayHigh 84ºFLow 58ºFPrecip 3.46 inch
- JunHigh 89ºFLow 67ºFPrecip 5.58 inch
- JulHigh 92ºFLow 70ºFPrecip 6.84 inch
- AugHigh 91ºFLow 70ºFPrecip 6.52 inch
- SepHigh 86ºFLow 64ºFPrecip 5.65 inch
- OctHigh 78ºFLow 53ºFPrecip 3.93 inch
- NovHigh 70ºFLow 44ºFPrecip 2.95 inch
- DecHigh 62ºFLow 36ºFPrecip 3.09 inch
Climate summary
What is the average weather in Summerville, South Carolina?
Summerville experiences a humid subtropical climate, characterized by hot summers and cool winters. The area is wet overall, with abundant precipitation throughout the year, but especially in summer. The warmer months can bring heavy seasonal downpours and afternoon thunderstorms.
Summerville weather averages
Annual high77ºF
Annual low52ºF
Precipitation52.95 inch
Daily normals Summerville - South Carolina - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 59.0 | 35.4 | 0.08 | 0.08 |
| Jan 2 | 58.9 | 35.3 | 0.18 | 0.18 |
| Jan 3 | 58.8 | 35.2 | 0.26 | 0.26 |
| Jan 4 | 58.6 | 35.1 | 0.35 | 0.35 |
| Jan 5 | 58.5 | 35.0 | 0.44 | 0.44 |
| Jan 6 | 58.4 | 34.9 | 0.53 | 0.53 |
| Jan 7 | 58.3 | 34.8 | 0.62 | 0.62 |
| Jan 8 | 58.2 | 34.7 | 0.71 | 0.71 |
| Jan 9 | 58.2 | 34.6 | 0.80 | 0.80 |
| Jan 10 | 58.1 | 34.5 | 0.91 | 0.91 |
| Jan 11 | 58.0 | 34.4 | 1.02 | 1.02 |
| Jan 12 | 58.0 | 34.4 | 1.13 | 1.13 |
| Jan 13 | 57.9 | 34.3 | 1.24 | 1.24 |
| Jan 14 | 57.9 | 34.2 | 1.36 | 1.36 |
| Jan 15 | 57.8 | 34.2 | 1.47 | 1.47 |
| Jan 16 | 57.8 | 34.2 | 1.60 | 1.60 |
| Jan 17 | 57.8 | 34.1 | 1.73 | 1.73 |
| Jan 18 | 57.8 | 34.1 | 1.85 | 1.85 |
| Jan 19 | 57.8 | 34.1 | 1.98 | 1.98 |
| Jan 20 | 57.8 | 34.1 | 2.12 | 2.12 |
| Jan 21 | 57.8 | 34.1 | 2.26 | 2.26 |
| Jan 22 | 57.9 | 34.1 | 2.40 | 2.40 |
| Jan 23 | 57.9 | 34.2 | 2.54 | 2.54 |
| Jan 24 | 58.0 | 34.2 | 2.68 | 2.68 |
| Jan 25 | 58.1 | 34.3 | 2.82 | 2.82 |
| Jan 26 | 58.2 | 34.3 | 2.95 | 2.95 |
| Jan 27 | 58.3 | 34.4 | 3.09 | 3.09 |
| Jan 28 | 58.4 | 34.5 | 3.24 | 3.24 |
| Jan 29 | 58.5 | 34.5 | 3.37 | 3.37 |
| Jan 30 | 58.6 | 34.6 | 3.50 | 3.50 |
| Jan 31 | 58.8 | 34.7 | 3.63 | 3.63 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Summerville - September 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| Sep 1 | 93.0 | 72.0 | 0.00 |
| Sep 2 | 96.1 | 73.0 | 0.00 |
| Sep 3 | 96.1 | 73.0 | 0.00 |
| Sep 4 | 91.0 | 73.9 | 0.00 |
| Sep 5 | 93.9 | 73.9 | 0.00 |
| Sep 6 | 95.0 | 73.0 | 0.00 |
| Sep 7 | 89.1 | 70.0 | 0.00 |
| Sep 8 | 87.1 | 69.1 | 0.00 |
| Sep 9 | 88.0 | 72.0 | 0.00 |
| Sep 10 | 91.9 | 73.0 | 0.00 |
| Sep 11 | 90.0 | 70.0 | 0.00 |
| Sep 12 | 91.9 | 73.0 | 0.00 |
| Sep 13 | 93.0 | 73.9 | 0.00 |
| Sep 14 | 95.0 | 75.0 | 0.00 |
| Sep 15 | 88.0 | 66.0 | 0.00 |
| Sep 16 | 90.0 | 64.0 | 0.00 |
| Sep 17 | 90.0 | 66.0 | 0.00 |
| Sep 18 | 93.0 | 70.0 | 0.00 |
| Sep 19 | 91.9 | 70.0 | 0.35 |
| Sep 20 | 90.0 | 71.1 | 0.00 |
| Sep 21 | 89.1 | 70.0 | 0.10 |
| Sep 22 | 89.1 | 71.1 | 0.14 |
| Sep 23 | 75.9 | 64.9 | 0.00 |
| Sep 24 | 69.1 | 57.9 | 0.11 |
| Sep 25 | 75.9 | 50.0 | 0.00 |
| Sep 26 | 81.0 | 50.0 | 0.00 |
| Sep 27 | 84.9 | 54.0 | 0.00 |
| Sep 28 | 86.0 | 57.0 | 0.00 |
| Sep 29 | 90.0 | 61.0 | 0.00 |
| Sep 30 | 88.0 | 61.0 | 0.00 |
The data for September 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature96.1ºF · Sep 2
- Lowest max temperature69.1ºF · Sep 24
- Highest min temperature75.0ºF · Sep 14
- Lowest min temperature50.0ºF · Sep 25
Geo Summerville - South Carolina
Location
- Country
- United States
- State
- South Carolina
- County
- Dorchester
- City
- Summerville
- Zip Code
- 29483
- Elevation
- 52 ft
- Longitude
- -80.28
- Latitude
- 33.06
- ICAO
- –
- IATA
- –