York County Climate
York County, South Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
60.9°F
Annual Precip
44.0"
Annual Snowfall
1.4"
Extreme Heat Days
54
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
4,929
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: York County
Climate Verdict
York County has a warm, averaging 60.9°F year-round, moderately wet with 44.0 inches of annual precipitation, occasional hot days — 54.133333333333326 per year above 90°F, light snow averaging 1.4 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 41.6°F. summers are warm — July averages 79.7°F. The 38°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
York County closely matches the South Carolina statewide average temperature of 62.8°F, it is somewhat drier than average for South Carolina.
Climate Profile
About York County Weather
A warm but balanced subtropical climate
York County’s 60.9°F average temperature is nearly 8 degrees warmer than the national median. This climate provides a consistent humid subtropical environment with four distinct seasonal shifts.
Among the state's coolest counties
York sits nearly 2 degrees below the South Carolina average of 62.8°F, making it one of the cooler spots in the state. Its 44.0 inches of rain also falls below the state average of 48.9 inches.
Similar to Union with less heat
York is climatologically similar to Union County, but it experiences slightly fewer extreme heat days at 54 per year. It remains much cooler and drier than the coastal counties in the south.
Cooler winters and moderate snowfall
Winters are among the state's coolest with a 43.6°F average, while summers peak at a July average of 79.7°F. Snow is rare but possible, averaging just 1.4 inches per year.
Prioritize efficient home cooling
Energy-efficient cooling is essential for the 54 days of extreme heat each year. Since January averages 41.6°F, homeowners should also ensure pipes are protected against the region's occasional hard freezes.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.