Climate Sumter - South Carolina
| JanJa | FebFe | MarMa | AprAp | MayMa | JunJu | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 55 | 58 | 66 | 75 | 82 | 88 |
| Average low in ºF Av. low Lo | 32 | 35 | 41 | 49 | 57 | 66 |
| Av. precipitation in inch Av. precip. Pre. | 3.94 | 3.48 | 3.87 | 3.06 | 3.27 | 5.17 |
| JulJu | AugAu | SepSe | OctOc | NovNo | DecDe | |
|---|---|---|---|---|---|---|
| Average high in ºF Av. high Hi | 91 | 89 | 84 | 74 | 66 | 57 |
| Average low in ºF Av. low Lo | 70 | 68 | 62 | 51 | 41 | 34 |
| Av. precipitation in inch Av. precip. Pre. | 5.55 | 5.05 | 3.85 | 3.45 | 2.91 | 3.33 |
What is the average weather in Sumter, South Carolina?
Sumter experiences a humid subtropical climate, characterized by hot summers and cold winters, indicating a strong seasonal contrast. The area is fairly wet, with a moderate pattern of wetter summers. Heavy seasonal downpours or afternoon thunderstorms can sometimes occur during the warmer months, contributing to the overall precipitation.
Sumter Climate Graph - South Carolina Climate Chart
Daily normals Sumter - South Carolina - January
Day | High ºF | Low ºF | Prec/mo inch | Prec/yr inch | Snow/mo inch | Snow/yr inch |
|---|---|---|---|---|---|---|
| 1 Jan | 55.3 | 33.3 | 0.13 | 0.13 | 0.00 | 0.00 |
| 2 Jan | 55.2 | 33.2 | 0.26 | 0.26 | 0.00 | 0.00 |
| 3 Jan | 55.2 | 33.1 | 0.39 | 0.39 | 0.10 | 0.10 |
| 4 Jan | 55.1 | 33.0 | 0.53 | 0.53 | 0.10 | 0.10 |
| 5 Jan | 55.1 | 32.9 | 0.66 | 0.66 | 0.10 | 0.10 |
| 6 Jan | 55.0 | 32.9 | 0.79 | 0.79 | 0.10 | 0.10 |
| 7 Jan | 55.0 | 32.8 | 0.92 | 0.92 | 0.10 | 0.10 |
| 8 Jan | 54.9 | 32.8 | 1.04 | 1.04 | 0.10 | 0.10 |
| 9 Jan | 54.9 | 32.7 | 1.16 | 1.16 | 0.20 | 0.20 |
| 10 Jan | 54.9 | 32.7 | 1.29 | 1.29 | 0.20 | 0.20 |
| 11 Jan | 54.9 | 32.6 | 1.42 | 1.42 | 0.20 | 0.20 |
| 12 Jan | 54.8 | 32.6 | 1.54 | 1.54 | 0.20 | 0.20 |
| 13 Jan | 54.8 | 32.6 | 1.65 | 1.65 | 0.20 | 0.20 |
| 14 Jan | 54.8 | 32.6 | 1.77 | 1.77 | 0.20 | 0.20 |
| 15 Jan | 54.8 | 32.6 | 1.89 | 1.89 | 0.30 | 0.30 |
| 16 Jan | 54.8 | 32.6 | 2.01 | 2.01 | 0.30 | 0.30 |
| 17 Jan | 54.9 | 32.6 | 2.13 | 2.13 | 0.30 | 0.30 |
| 18 Jan | 54.9 | 32.6 | 2.25 | 2.25 | 0.30 | 0.30 |
| 19 Jan | 54.9 | 32.6 | 2.36 | 2.36 | 0.30 | 0.30 |
| 20 Jan | 55.0 | 32.6 | 2.48 | 2.48 | 0.30 | 0.30 |
| 21 Jan | 55.0 | 32.6 | 2.60 | 2.60 | 0.30 | 0.30 |
| 22 Jan | 55.0 | 32.7 | 2.72 | 2.72 | 0.30 | 0.30 |
| 23 Jan | 55.1 | 32.7 | 2.83 | 2.83 | 0.30 | 0.30 |
| 24 Jan | 55.2 | 32.7 | 2.95 | 2.95 | 0.30 | 0.30 |
| 25 Jan | 55.2 | 32.8 | 3.08 | 3.08 | 0.30 | 0.30 |
| 26 Jan | 55.3 | 32.8 | 3.20 | 3.20 | 0.30 | 0.30 |
| 27 Jan | 55.4 | 32.9 | 3.31 | 3.31 | 0.30 | 0.30 |
| 28 Jan | 55.5 | 33.0 | 3.43 | 3.43 | 0.30 | 0.30 |
| 29 Jan | 55.6 | 33.0 | 3.55 | 3.55 | 0.30 | 0.30 |
| 30 Jan | 55.7 | 33.1 | 3.66 | 3.66 | 0.30 | 0.30 |
| 31 Jan | 55.8 | 33.2 | 3.78 | 3.78 | 0.30 | 0.30 |
Weather history Sumter - August 2026
| Day | High ºF | Low ºF | Precip. inch | Snow inch | Snow d. inch |
|---|---|---|---|---|---|
| 01 Aug | 95.0 | 71.1 | - | - | - |
| 02 Aug | 95.0 | 73.9 | 1.82 | - | - |
| 03 Aug | 91.0 | 73.9 | 0.09 | - | - |
| 04 Aug | 88.0 | 75.0 | - | - | - |
| 05 Aug | 91.0 | 72.0 | 0.30 | - | - |
| 06 Aug | 88.0 | 73.9 | - | - | - |
| 07 Aug | 91.0 | 71.1 | 0.00 | - | - |
| 08 Aug | 89.1 | 73.0 | 0.40 | - | - |
| 09 Aug | 91.0 | 73.9 | - | - | - |
| 10 Aug | 93.0 | 75.0 | - | - | - |
| 11 Aug | 93.0 | 73.9 | - | - | - |
| 12 Aug | 97.0 | 73.0 | - | - | - |
| 13 Aug | - | - | - | - | - |
| 14 Aug | - | - | - | - | - |
| 15 Aug | 98.1 | 77.0 | - | - | - |
| 16 Aug | 98.1 | 78.1 | - | - | - |
| 17 Aug | 98.1 | 77.0 | - | - | - |
| 18 Aug | - | - | - | - | - |
| 19 Aug | - | - | - | - | - |
| 20 Aug | - | - | - | - | - |
| 21 Aug | - | - | - | - | - |
| 22 Aug | - | - | - | - | - |
| 23 Aug | - | - | - | - | - |
| 24 Aug | - | - | - | - | - |
| 25 Aug | - | - | - | - | - |
| 26 Aug | - | - | - | - | - |
| 27 Aug | - | - | - | - | - |
| 28 Aug | - | - | - | - | - |
| 29 Aug | - | - | - | - | - |
| 30 Aug | - | - | - | - | - |
| 31 Aug | - | - | - | - | - |
Past weather Sumter
| Aug 26 | Normal | ||
|---|---|---|---|
| Average high temperature Av. high temp. | 93.1 ºF | 55 ºF | |
| Average low temperature Av. low temp. | 74.1 ºF | 32 ºF | |
| Total precipitation Total precip. | - inch | 3.94 inch | |
| Total snowfall Total snowfall | - inch | 0 inch | |
| Highest max temperature Highest max temp. | 98.1 ºF | - | |
| Lowest max temperature Lowest max temp. | 88.0 ºF | - | |
| Highest min temperature Highest min temp. | 78.1 ºF | - | |
| Lowest min temperature Lowest min temp. | 71.1 ºF | - | |
Past weather August 2026 incomplete - Missing data
Geo Sumter - South Carolina
| Country | United States | |
|---|---|---|
| State | South Carolina | |
| County | Sumter | |
| City | Sumter | |
| Zip Code | 29152 | |
| Longitude | -80.47 dec. degr. | |
| Latitude | 33.97 dec. degr. | |
| Altitude - Elevation | 236ft | |
| ICAO | - | |
| IATA | - |
Date and Time Sumter - South Carolina
| Local Time | 05:05 PM | |
|---|---|---|
| Sunrise | 07:07 AM | |
| Sunset | 07:22 PM | |
| Day/Night | Day | |
| Timezone | Eastern Daylight Time | |
| Timezone DB | America - New York |
Map of Sumter - South Carolina
USGS National Map — Open interactive map
Sumter weather averages
| Annual high temperature | 74ºF |
| Annual low temperature | 50ºF |
| Average annual precip. | 46.93 inch |
Station Data
Monthly averages Sumter
Longitude: -80.4706, Latitude: 33.9727
Average weather Sumter, SC - 29152
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, ...