Lee County Climate
Lee County, South Carolina
Avg Annual Temp
62.6°F
Annual Precip
46.6"
Annual Snowfall
—
Extreme Heat Days
63.4
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Lee County Weather
A Warm and Humid National Outlier
Lee County's annual average temperature of 62.6°F is roughly 7 degrees warmer than the national median. With 46.6 inches of rainfall, the county is wetter than the average U.S. location but typical for the humid South.
Mirroring the South Carolina Average
Lee County's climate closely tracks the state as a whole, with its 62.6°F average nearly identical to the South Carolina mean of 62.8°F. Precipitation is also consistent with the state, falling just 2.3 inches short of the 48.9-inch state average.
Matching the Heat of Marlboro County
Lee County experiences 63 days of extreme heat, nearly matching Marlboro's 62 days. However, Lee is slightly cooler on average than Marlboro, which maintains a 63.4°F annual temperature.
Long Summers and Rare Winter Extremes
July averages 80.9°F, contributing to a total of 63 days where temperatures exceed 90°F. Winter remains mild with a 46.0°F average and no recorded significant snowfall in the annual data.
Focusing on Summer Cooling Capacity
With 63 days of extreme heat, residents should ensure their HVAC systems are sized correctly for the home's square footage. Outdoor planning should account for a July average of nearly 81°F to avoid heat exhaustion during peak hours.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.