Weather on July 17 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High84°F
Avg Low64°F
Warmest198383°F
Coldest201458°F

Based on 55 years of data from Gary, IN

Planning Your Visit

July 17th in Indiana Dunes National Park (via Gary, IN) typically brings warm summer weather, with average highs around 84°F and lows near 64°F. Over 55 years of records, the warmest July 17th was in 1983 (83°F average), while the coldest was 2014 (58°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 25% of July 17th dates historically, with the wettest July 17th recording 1.4" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.

Planning for July 17th in Indiana Dunes? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202592°F69°F0.43"0"
202484°F69°F0"0"
202379°F63°F0"0"
202280°F68°F--0"
202172°F67°F----
202076°F62°F0"0"
201984°F70°F0.03"0"
201887°F66°F0.03"--
201773°F58°F0"0"
201676°F59°F0"0"
201577°F65°F1.32"0"
201466°F50°F0"0"
201390°F70°F0"0"
201293°F74°F0"0"
201184°F67°F0"0"
201090°F66°F0"0"
200980°F62°F0.81"0"
200889°F67°F0"0"
200783°F64°F0.48"0"
200692°F72°F0"0"
200584°F70°F0.53"0"
200481°F66°F0.84"0"
200379°F60°F0"0"
200289°F67°F0"0"
200186°F69°F0"0"
200077°F63°F0"0"
199980°F65°F0.33"0"
199885°F68°F0"0"
199789°F70°F--0"
199686°F68°F0"0"
199586°F62°F--0"
199482°F67°F0.08"0"
199380°F70°F0"0"
199282°F63°F1.4"0"
199187°F61°F0"0"
199085°F64°F0.08"0"
198985°F56°F0"0"
198889°F66°F0"0"
198790°F61°F0"0"
198695°F70°F0"0"
198580°F56°F0"0"
198485°F62°F0"0"
198393°F73°F0"0"
198291°F71°F0.76"0"
198188°F59°F0"0"
1980100°F52°F0"0"
197968°F54°F0"0"
197887°F55°F0"0"
197791°F69°F0"0"
197679°F53°F0"0"
197590°F60°F0"0"
197490°F59°F0"0"
197385°F55°F0"0"
197285°F61°F0"0"
197185°F63°F0.64"0"

July 17 at Nearby Parks

Holiday Weather at Indiana Dunes

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

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