Climate Summerville - South Carolina
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 59 | 63 | 71 | 77 | 84 | 89 |
| Average low in ºF Av. low Lo | 34 | 37 | 43 | 49 | 58 | 67 |
| Av. precipitation in inch Av. precip. Pre. | 4.23 | 3.28 | 4.03 | 3.39 | 3.46 | 5.58 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 92 | 91 | 86 | 78 | 70 | 62 |
| Average low in ºF Av. low Lo | 70 | 70 | 64 | 53 | 44 | 36 |
| Av. precipitation in inch Av. precip. Pre. | 6.84 | 6.52 | 5.65 | 3.93 | 2.95 | 3.09 |
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 Climate Graph - South Carolina Climate Chart
Daily normals Summerville - South Carolina - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 59.2 | 34.0 | 0.12 | 0.12 | 0.00 | 0.00 |
| 2 Jan | 59.1 | 33.9 | 0.24 | 0.24 | 0.00 | 0.00 |
| 3 Jan | 59.0 | 33.8 | 0.35 | 0.35 | 0.00 | 0.00 |
| 4 Jan | 59.0 | 33.8 | 0.47 | 0.47 | 0.00 | 0.00 |
| 5 Jan | 58.9 | 33.7 | 0.59 | 0.59 | 0.00 | 0.00 |
| 6 Jan | 58.9 | 33.7 | 0.71 | 0.71 | 0.00 | 0.00 |
| 7 Jan | 58.8 | 33.6 | 0.83 | 0.83 | 0.12 | 0.30 |
| 8 Jan | 58.8 | 33.6 | 0.98 | 0.98 | 0.12 | 0.30 |
| 9 Jan | 58.8 | 33.6 | 1.10 | 1.10 | 0.12 | 0.30 |
| 10 Jan | 58.7 | 33.6 | 1.22 | 1.22 | 0.12 | 0.30 |
| 11 Jan | 58.7 | 33.5 | 1.38 | 1.38 | 0.12 | 0.30 |
| 12 Jan | 58.7 | 33.5 | 1.54 | 1.54 | 0.12 | 0.30 |
| 13 Jan | 58.7 | 33.5 | 1.65 | 1.65 | 0.12 | 0.30 |
| 14 Jan | 58.7 | 33.5 | 1.81 | 1.81 | 0.12 | 0.30 |
| 15 Jan | 58.8 | 33.5 | 1.97 | 1.97 | 0.12 | 0.30 |
| 16 Jan | 58.8 | 33.5 | 2.13 | 2.13 | 0.12 | 0.30 |
| 17 Jan | 58.8 | 33.5 | 2.24 | 2.24 | 0.12 | 0.30 |
| 18 Jan | 58.9 | 33.5 | 2.40 | 2.40 | 0.12 | 0.30 |
| 19 Jan | 58.9 | 33.5 | 2.52 | 2.52 | 0.12 | 0.30 |
| 20 Jan | 59.0 | 33.6 | 2.68 | 2.68 | 0.12 | 0.30 |
| 21 Jan | 59.0 | 33.6 | 2.80 | 2.80 | 0.12 | 0.30 |
| 22 Jan | 59.1 | 33.6 | 2.95 | 2.95 | 0.12 | 0.30 |
| 23 Jan | 59.2 | 33.7 | 3.07 | 3.07 | 0.12 | 0.30 |
| 24 Jan | 59.3 | 33.7 | 3.23 | 3.23 | 0.12 | 0.30 |
| 25 Jan | 59.4 | 33.8 | 3.39 | 3.39 | 0.12 | 0.30 |
| 26 Jan | 59.5 | 33.8 | 3.50 | 3.50 | 0.12 | 0.30 |
| 27 Jan | 59.6 | 33.9 | 3.66 | 3.66 | 0.12 | 0.30 |
| 28 Jan | 59.7 | 34.0 | 3.82 | 3.82 | 0.12 | 0.30 |
| 29 Jan | 59.9 | 34.0 | 3.94 | 3.94 | 0.12 | 0.30 |
| 30 Jan | 60.0 | 34.1 | 4.09 | 4.09 | 0.12 | 0.30 |
| 31 Jan | 60.1 | 34.2 | 4.21 | 4.21 | 0.12 | 0.30 |
Weather history Summerville - May 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 May | 71.1 | 61.0 | 0.23 | - | - |
| 02 May | 64.0 | 44.1 | 1.10 | - | - |
| 03 May | 75.9 | 46.0 | 0.00 | - | - |
| 04 May | 73.0 | 46.9 | 0.00 | - | - |
| 05 May | - | - | - | - | - |
| 06 May | - | - | - | - | - |
| 07 May | - | - | - | - | - |
| 08 May | - | - | - | - | - |
| 09 May | 82.9 | 64.9 | 0.00 | - | - |
| 10 May | 89.1 | 64.9 | 0.00 | - | - |
| 11 May | - | - | - | - | - |
| 12 May | - | - | - | - | - |
| 13 May | - | - | - | - | - |
| 14 May | - | - | - | - | - |
| 15 May | - | - | - | - | - |
| 16 May | - | - | - | - | - |
| 17 May | - | - | - | - | - |
| 18 May | - | - | - | - | - |
| 19 May | - | - | - | - | - |
| 20 May | - | - | - | - | - |
| 21 May | - | - | - | - | - |
| 22 May | - | - | - | - | - |
| 23 May | - | - | - | - | - |
| 24 May | - | - | - | - | - |
| 25 May | - | - | - | - | - |
| 26 May | 93.9 | 71.1 | 0.00 | - | - |
| 27 May | 93.9 | 75.0 | 0.00 | - | - |
| 28 May | - | - | - | - | - |
| 29 May | - | - | - | - | - |
| 30 May | - | - | - | - | - |
| 31 May | - | - | - | - | - |
Past weather Summerville
| May 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 80.5 ºF | 59 ºF | |
| Average low temperature Av. low temp. | 59.2 ºF | 34 ºF | |
| Total precipitation Total precip. | 1.33 inch | 4.23 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 93.9 ºF | - | |
| Lowest max temperature Lowest max temp. | 64.0 ºF | - | |
| Highest min temperature Highest min temp. | 75.0 ºF | - | |
| Lowest min temperature Lowest min temp. | 44.1 ºF | - | |
Past weather May 2026 incomplete - Missing data
Geo Summerville - South Carolina
| Country | United States | |
|---|---|---|
| State | South Carolina | |
| County | Dorchester | |
| City | Summerville | |
| Zip Code | 29483 | |
| Longitude | -80.28 dec. degr. | |
| Latitude | 33.06 dec. degr. | |
| Altitude - Elevation | 52ft | |
| ICAO | - | |
| IATA | - |
Date and Time Summerville - South Carolina
| Local Time | 09:37 PM | |
|---|---|---|
| Sunrise | 06:10 AM | |
| Sunset | 08:33 PM | |
| Day/Night | Night | |
| Timezone | New_York -5:00 | |
| Timezone DB | America - New York |
Map of Summerville - South Carolina
USGS National Map — Open interactive map
Summerville weather averages
| Annual high temperature | 77ºF |
| Annual low temperature | 52ºF |
| Average annual precip. | 52.95 inch |
Station Data
Monthly averages Summerville
Longitude: -80.2793, Latitude: 33.0634
Average weather Summerville, SC - 29483
Monthly: 1991-2020 normals
History: 2007-2026
Abbreviations
Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...