Climate & Weather in Spartanburg

Spartanburg has a real humid subtropical climate -- hot, muggy summers (90°F average July high) and cooler, wetter winters (31°F average January low) -- with low snowfall (~2 in/yr) and moderate-to-high rainfall (~51 in/yr, wettest in March).

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Hot, humid summers and mild, wet winters

Spartanburg's average July high runs 90°F, with genuinely humid, muggy conditions typical of Upstate SC's summer season. Winters are comparatively mild (31°F average January low) but wetter than a true northern climate, with March typically the wettest month of the year.

Low snowfall, no true winter-sports climate

Spartanburg averages only about 2 inches of snow a year -- real, occasional snow events rather than a regular snow season. This is a genuine four-season climate in temperature terms, but without the snowfall volume of a northern or mountain climate.

Hurricane season means tropical-remnant storms, not coastal landfall

As detailed on insurance-hazard-costs, Spartanburg's real weather risk during hurricane season (June-November) comes from inland flooding and wind associated with tropical-storm remnants -- as 2024's Hurricane Helene demonstrated directly -- rather than coastal hurricane landfall.

Key takeaways

Spartanburg averages a 90°F July high and 31°F January low -- a real humid subtropical climate with genuine seasonal variation.
Snowfall is low (~2 in/yr); rainfall runs moderate-to-high (~51 in/yr), wettest in March.
Hurricane season brings real tropical-remnant flooding/wind risk (as 2024's Helene showed directly), not coastal landfall risk.

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Last reviewed: 2026-08-24. Independent research; not financial, tax, or legal advice -- confirm current figures with a local professional before making a decision.