Fairfield County Climate
Fairfield County, South Carolina
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
61.2°F
Annual Precip
45.5"
Annual Snowfall
0.0"
Extreme Heat Days
62
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
8a
Minimum winter temperature range for plant survival
5,004
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Fairfield County
Climate Verdict
Fairfield County has a warm, averaging 61.2°F year-round, moderately wet with 45.5 inches of annual precipitation, significant summer heat with 62 days annually above 90°F, virtually no measurable snowfall. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are mild, with January temperatures averaging 42.0°F. summers are hot, with July averaging 80.0°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
Fairfield 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 Fairfield County Weather
Temperate but warmer than average
At 61.2°F, Fairfield County remains warmer than the national median while staying cooler than many coastal Southern regions. It offers a distinct four-season cycle without extreme national lows.
Cooler than the state benchmark
Fairfield is 1.6 degrees cooler than the South Carolina state average of 62.8°F. It is also drier than the state at large, receiving 45.5 inches of rain compared to the 48.9-inch average.
Drier than surrounding counties
Fairfield stands out for its lower precipitation, recording 45.5 inches annually against a state average of 48.9 inches. Its 61.2°F temperature makes it a cooler inland alternative to the Midlands.
Hot summers and snowless winters
July averages 80.0°F, contributing to 62 days of extreme heat annually. Winter temperatures average 43.9°F, yet the county surprisingly records 0.0 inches of annual snowfall.
Manage water and summer energy
With lower-than-average rainfall, residents should consider drought-resistant landscaping for the 62 days of heat. Winter gear can remain light, as snow is effectively non-existent in this county.
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.