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Winter in Sumter County, South Carolina
31 winter storms and snow events in the NCEI Storm Events record, 1950 to 2026. Event types counted: Winter Storm, Winter Weather, Heavy Snow, Blizzard, Ice Storm, Lake-Effect Snow, Sleet.
NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. Storm records through 30 Jun 2026.
NCEI records 31 winter events in Sumter County, South Carolina, between 1950 and 2026, spread over 13 years.
January is the busiest month, with 23 of the recorded events. The last 20 years account for 25 events against 6 in the 20 years before, a change that reflects reporting practice as much as weather.
The county holds 1.7% of the 1,839 winter events recorded in South Carolina; its 4.7 per 100 square miles compares with 6.1 statewide.
Some winter weather and high wind events are recorded by NWS forecast zone rather than by county; zone-recorded events whose zone is named for the county are included and marked "Forecast zone" in the table.
Compared with South Carolina
| Measure | Sumter County | South Carolina | US |
|---|---|---|---|
| Winter events since 1950 | 31 | 1,839 | 287,339 |
| Per 100 square miles | 4.7 | 6.1 | 8.1 |
| Per 10,000 residents | 3.0 | 3.5 | 8.7 |
| Deaths recorded | 0 | 11 | 2,509 |
| Busiest month | January | January | January |
By year
Seasonality
23Feb
5Mar
0Apr
0May
0Jun
0Jul
0Aug
0Sep
0Oct
0Nov
0Dec
3
Recorded events
All 31 events, most recent first. Magnitude is hail size, tornado rating or wind speed as recorded.
| Date | Event type | Magnitude | Property damage | Crop damage | Deaths | Injuries | Geography |
|---|---|---|---|---|---|---|---|
| 1 Feb 2026 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 31 Jan 2026 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 25 Jan 2026 | Ice Storm | — | — | — | — | — | Forecast zone |
| 25 Jan 2026 | Ice Storm | — | — | — | — | — | Forecast zone |
| 21 Jan 2025 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 10 Jan 2025 | Winter Weather | — | — | — | — | — | Forecast zone |
| 28 Jan 2022 | Winter Weather | — | — | — | — | — | Forecast zone |
| 21 Jan 2022 | Winter Storm | — | — | — | — | — | Forecast zone |
| 16 Jan 2022 | Winter Weather | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 3 Jan 2018 | Heavy Snow | — | — | — | — | — | Forecast zone |
| 24 Feb 2015 | Winter Weather | — | — | — | — | — | Forecast zone |
| 17 Feb 2015 | Winter Weather | — | — | — | — | — | Forecast zone |
| 12 Feb 2014 | Winter Storm | — | — | — | — | — | Forecast zone |
| 28 Jan 2014 | Winter Storm | — | — | — | — | 1 | Forecast zone |
| 10 Jan 2011 | Winter Storm | — | — | — | — | — | Forecast zone |
| 26 Dec 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 12 Feb 2010 | Winter Storm | — | — | — | — | — | Forecast zone |
| 30 Jan 2010 | Winter Weather | — | — | — | — | — | Forecast zone |
| 20 Jan 2009 | Winter Weather | — | — | — | — | — | Forecast zone |
| 29 Jan 2005 | Ice Storm | — | — | — | — | — | Forecast zone |
| 26 Dec 2004 | Ice Storm | — | — | — | — | — | Forecast zone |
| 26 Jan 2004 | Ice Storm | — | — | — | — | — | Forecast zone |
| 23 Jan 2003 | Winter Storm | — | — | — | — | — | Forecast zone |
| 4 Dec 2002 | Ice Storm | — | — | — | — | — | Forecast zone |
| 2 Jan 2002 | Winter Storm | — | — | — | — | — | Forecast zone |
Questions and answers
How many winter events has Sumter County had?
31 events in the NCEI Storm Events record between 1950 and 2026. Reporting of winter storms and snow became far more complete after 1996, so early decades undercount.
When was the last recorded winter event in Sumter County?
1 Feb 2026 (Heavy Snow). Records reach NCEI about 120 days after the month ends.
What was the most damaging winter event recorded in Sumter County?
NCEI records no damage estimate for events of this type in the county.
How does Sumter County compare with South Carolina for winter?
4.7 events per 100 square miles against 6.1 statewide; the county holds 31 of the state's 1,839 recorded events.
Provenance
NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026, public domain. County-recorded events plus zone-recorded events whose forecast zone is named for the county (marked "Forecast zone"). Population and area from the US Census Bureau (2021). Built 1 Oct 2026. See the methodology, the Winter hub and the county page.