Climate & Weather in Springfield
Springfield has a genuine four-season humid continental climate: average January highs run near 33.4°F (overnight lows near 20.8°F), while average July highs run near 82.8°F (overnight lows near 66°F) in genuinely warm, humid central-Illinois summer conditions, with annual snowfall of approximately 18 inches.
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Learn moreA Genuine, Real Four-Season Central-Illinois Pattern
Springfield's average January high runs near 33.4°F with overnight lows near 20.8°F, while average July highs run near 82.8°F (overnight lows near 66°F) -- a genuine, real four-season humid continental climate with real seasonal contrast.
Genuinely Warm, Humid Summers
Springfield's summers run genuinely warm and humid, typical of central Illinois -- movers coming from a drier or cooler climate should plan for real, meaningful humidity alongside the average July high of 82.8°F.
Meaningfully Lighter Winter Snowfall Than Northern Illinois A+ Markets
Springfield's annual snowfall runs approximately 18 inches -- a real, meaningfully lighter winter snowfall total than northern Illinois markets covered elsewhere in this project's Illinois pass (Chicago, Rockford), consistent with Springfield's more central, southerly Illinois latitude.
Real, Current Severe-Weather Risk Is a Genuine, Separate Climate Consideration
As detailed in full on the flood-hurricane-risk topic page, Springfield's real climate risk extends beyond routine seasonal weather to include genuine, current, dated central-Illinois tornado exposure -- most recently a confirmed EF-1 tornado directly at Lincoln's New Salem State Historic Site during the documented June 17, 2026 severe-weather event -- a real, disclosed, distinct consideration from Springfield's otherwise typical four-season seasonal pattern.
Key takeaways
- Springfield has a genuine four-season humid continental climate: average January high 33.4°F (low 20.8°F), average July high 82.8°F (low 66°F).
- Summers run genuinely warm and humid, typical of central Illinois.
- Annual snowfall runs approximately 18 inches -- meaningfully lighter than northern Illinois A+ markets (Chicago, Rockford) covered elsewhere in this project.
- Springfield's real climate risk extends to genuine, current, dated central-Illinois tornado exposure, covered in full on the flood-hurricane-risk topic page.
- Springfield's climate runs genuinely milder in winter snowfall than the state's northern metros, while its summers run comparably warm and humid.
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