Best time to visit Indiana Dunes National Park
April is the best balance at Indiana Dunes: mild and dry for the park (an average high of 57°F), with moderate crowds. June is busiest, with about 478,000 visitors. November is the quietest, with highs near 49°F.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
Month by month
- Station
- Indiana Dunes Nl, IN USC00124244
- Lat / lon
- 41.63, -87.09
- Elevation
- 680 ft
- From park center
- 3.4 mi
- Normals
- 1991–2020
- Visits
- 2023–2025
| Field | Jan | Feb | Mar | Aprbest | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| High, °F | 32° | 36° | 46° | 57° | 68° | 78° | 82° | 80° | 74° | 62° | 49° | 37° | 58° |
| Low, °F | 18° | 21° | 30° | 40° | 50° | 60° | 64° | 63° | 56° | 45° | 34° | 24° | 42° |
| Precipitation, in | 2.2 | 2.0 | 2.3 | 3.5 | 4.3 | 4.3 | 4.0 | 4.1 | 3.6 | 3.8 | 2.8 | 2.3 | 39.2 |
| Snow, in | 16.0 | 9.7 | 6.0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 7.3 | 40.3 |
| Daylight, h:mm | 9:28 | 10:32 | 11:48 | 13:16 | 14:30 | 15:11 | 14:55 | 13:51 | 12:25 | 11:01 | 9:46 | 9:10 | |
| Visitors, thousands | 73 | 82 | 124 | 152 | 276 | 478 | 460 | 403 | 248 | 192 | 108 | 103 | 2,700 |
| Crowds | Quiet | Quiet | Quiet | Moderate | Busy | Very busy | Very busy | Very busy | Moderate | Moderate | Quiet | Quiet | |
| Weather | Cold | Cold | Cool | Mild | Mild, wet | Mild, wet | Hot | Mild, wet | Mild, wet | Mild, wet | Cool | Cold |
| Month | High °F | Low °F | Precip., in | Snow, in | Daylight | Visitors | Crowds | Weather |
|---|---|---|---|---|---|---|---|---|
| January | 32° | 18° | 2.2 | 16.0 | 9:28 | 73,000 | Quiet | Cold |
| February | 36° | 21° | 2.0 | 9.7 | 10:32 | 82,000 | Quiet | Cold |
| March | 46° | 30° | 2.3 | 6.0 | 11:48 | 124,000 | Quiet | Cool |
| Aprilbest | 57° | 40° | 3.5 | 0.6 | 13:16 | 152,000 | Moderate | Mild |
| May | 68° | 50° | 4.3 | 0 | 14:30 | 276,000 | Busy | Mild, wet |
| June | 78° | 60° | 4.3 | 0 | 15:11 | 478,000 | Very busy | Mild, wet |
| July | 82° | 64° | 4.0 | 0 | 14:55 | 460,000 | Very busy | Hot |
| August | 80° | 63° | 4.1 | 0 | 13:51 | 403,000 | Very busy | Mild, wet |
| September | 74° | 56° | 3.6 | 0 | 12:25 | 248,000 | Moderate | Mild, wet |
| October | 62° | 45° | 3.8 | 0 | 11:01 | 192,000 | Moderate | Mild, wet |
| November | 49° | 34° | 2.8 | 0.7 | 9:46 | 108,000 | Quiet | Cool |
| December | 37° | 24° | 2.3 | 7.3 | 9:10 | 103,000 | Quiet | Cold |
| Year | 58° | 42° | 39.2 | 40.3 | 2,700,000 | |||
Year: average high and low, total precipitation and snowfall, total visitors. T = trace (under 0.05 in). – = not measured at this station. Updated .
- Hottest July, average high 82°F
- Coldest nights January, average low 18°F
- Source NOAA National Centers for Environmental Information; National Park Service
- Visitors a year about 2,700,000 (2023–2025 average)
- State Indiana
Closures, reservations and alerts: Indiana Dunes National Park on nps.gov
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