Weather on August 12 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High81°F
Avg Low62°F
Warmest199586°F
Coldest200456°F

Based on 55 years of data from Gary, IN

Planning Your Visit

August 12th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 81°F and lows near 62°F. Over 55 years of records, the warmest August 12th was in 1995 (86°F average), while the coldest was 2004 (56°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 12th dates historically, with the wettest August 12th recording 2.44" of rain. The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.5°F warmer on this date compared to 20-30 years ago.

Planning for August 12th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202591°F75°F0"0"
202476°F54°F0"0"
202383°F66°F0.08"0"
202276°F--0"0"
202186°F70°F0.25"0"
202077°F54°F0"0"
201983°F71°F----
201883°F63°F----
201780°F66°F0"0"
201692°F78°F0"0"
201575°F58°F0"0"
201478°F64°F2.18"0"
201381°F67°F0"0"
201272°F55°F0"0"
201178°F56°F0"0"
201090°F73°F0"0"
200976°F67°F0"0"
200872°F54°F0.03"0"
200788°F66°F0.58"0"
200675°F59°F0"0"
200576°F69°F0.86"0"
200464°F48°F0"0"
200374°F65°F0.1"0"
200292°F68°F0"0"
200178°F61°F1.73"0"
200076°F59°F0"0"
199983°F59°F0"0"
199877°F59°F0"0"
199779°F64°F0.3"0"
199680°F60°F--0"
199594°F78°F0"0"
199469°F64°F0"0"
199387°F63°F0"0"
199277°F58°F0"0"
199179°F52°F0"0"
199079°F64°F2.44"0"
198982°F59°F0"0"
198896°F74°F0"0"
198787°F67°F0"0"
198678°F48°F0"0"
198587°F57°F0"0"
198482°F66°F0"0"
198378°F55°F0"0"
198274°F46°F0"0"
198183°F63°F0"0"
198073°F65°F0"0"
197973°F62°F0"0"
197882°F63°F0"0"
197779°F52°F0"0"
197686°F71°F0.69"0"
197588°F65°F0.51"0"
197485°F58°F1.78"0"
197386°F64°F0.51"0"
197282°F64°F1.19"0"
197180°F51°F0"0"

August 12 at Nearby Parks

Holiday Weather at Indiana Dunes

Official NPS WebsiteVisit nps.gov/indu for park information, alerts, and reservations

Explore More at Indiana Dunes

See historical weather for other dates

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