October is an excellent month at Indiana Dunes — it ranks 2nd of the twelve here. Expect about 58% fewer visitors than July, the park's peak — 212,361 visits on average. Days run around 62°F by afternoon and 45°F at night, with 11 hours of daylight.
October against the park's best
| Month | Verdict | Avg. visits | vs. peak | High | Low | Snow | Daylight |
|---|---|---|---|---|---|---|---|
| October (this page) | Excellent | 212,361 | −58% | 62°F | 45°F | 0" | 11 h |
| April (best) | Excellent | 166,419 | −67% | 57°F | 40°F | 0.6" | 13.3 h |
| July (peak crowds) | Good | 509,715 | peak | 82°F | 64°F | 0" | 14.9 h |
Weather figures are for the Porter area — the Indiana Dunes Nl station. Visits are 2021–2025 averages; climate normals cover 1991–2020. Conditions vary across the park; check current status before you go.
Common questions
Is October a good time to visit Indiana Dunes?
Yes — it is one of the best months of the year here. October ranks 2 of 12 at Indiana Dunes on crowds, weather, daylight, and access together.
How crowded is Indiana Dunes in October?
About 212,361 recreation visits on average — 58% below July, the park's peak.
How warm is Indiana Dunes in October?
Average highs around 62°F and lows around 45°F at the Indiana Dunes Nl station.
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