Weather on April 20 at Indiana Dunes

Indiana Dunes National Park

INMidwest600 ft elevation
Avg High63°F
Avg Low42°F
Warmest200572°F
Coldest201336°F

Based on 55 years of data from Gary, IN

Planning Your Visit

April 20th in Indiana Dunes National Park (via Gary, IN) typically brings mild spring weather, with average highs around 63°F and lows near 42°F. Over 55 years of records, the warmest April 20th was in 2005 (72°F average), while the coldest was 2013 (36°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 49% of April 20th dates historically, with the wettest April 20th recording 4.22" of rain. The last decade has been 9.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 9.2°F cooler on this date compared to 20-30 years ago.

Planning for April 20th in Indiana Dunes? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202559°F44°F0"0"
202457°F40°F0"0"
202376°F46°F0.66"0"
202243°F36°F0"0"
202154°F36°F0.64"0"
202065°F29°F----
201950°F34°F----
201843°F29°F0"0"
201770°F43°F0.81"0"
201669°F44°F0"0"
201572°F48°F1.55"0"
201468°F44°F0"0"
201339°F33°F0"0"
201261°F44°F0.28"0"
201142°F37°F2.51"--
201047°F35°F0"0"
200960°F39°F0.89"0"
200862°F42°F0.15"0"
200750°F35°F0"0"
200676°F52°F0.1"0"
200580°F65°F0"0"
200474°F46°F0"0"
200380°F57°F1.04"0"
200266°F41°F3.05"0"
200168°F46°F0.36"0"
200060°F51°F1.24"0"
199953°F32°F0"0"
199866°F47°F4.22"0"
199759°F39°F----
199676°F42°F0.03"0"
199548°F39°F0.94"0"
199468°F33°F0"0"
199362°F36°F3.51"0"
199274°F60°F0.3"0"
199144°F38°F0"0"
199061°F49°F0.36"0"
198968°F35°F0"0"
198855°F36°F0.3"0"
198787°F52°F0"0"
198670°F45°F0.33"0"
198585°F58°F0"0"
198452°F33°F0"0"
198352°F25°F0"0"
198262°F37°F0.1"--
198150°F31°F0"0"
1980--34°F0"0"
197966°F44°F0.03"0"
197847°F37°F0"0"
197778°F62°F1.45"0"
197672°F49°F1.24"0"
197550°F38°F0"0"
197478°F42°F0"0"
197376°F61°F0.48"0"
197249°F38°F0.61"0"
197177°F47°F0"0"

April 20 at Nearby Parks

Holiday Weather at Indiana Dunes

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

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