Indiana Dunes National Park in December
In December, Indiana Dunes National Park averages a high of 37°F and a low of 24°F, with 2.3 inches of precipitation (rain plus melted snow) and 7.3 inches of snowfall. About 103,000 people visit, the 10th busiest of 12 (quiet). Days are 9 hours 10 minutes long.
- Quiet
- Moderate
- Busy
- Very busy
- Few or no visits (may be closed)
- Best months
- High / low
- 37° / 24°F
- Precipitation
- 2.3in
- Snow
- 7.3in
- Daylight
- 9h 10m
- Visitors
- 103,000
- Crowds
- Quiet
Best months for weather and crowds instead: April (moderate).
Weather 1991–2020 averages at Indiana Dunes Nl, IN, 3.4 miles from the park's center, 680 ft. Visitors National Park Service recreation visits, average of 2023–2025. Updated .
Other parks in December
| Park | High / low °F | Crowds | Weather |
|---|---|---|---|
| Sleeping Bear Dunes National Lakeshore | 34° / 24° | Few or no visits | Cold |
| Gateway Arch National Park | 44° / 29° | Quiet | Cool |
| Cuyahoga Valley National Park | 39° / 24° | Moderate | Cold |
| Mammoth Cave National Park | 51° / 33° | Moderate | Cool |
| Ozark National Scenic Riverways | 47° / 24° | Quiet | Cool |
Closures, reservations and alerts: Indiana Dunes National Park on nps.gov
All twelve months at Indiana Dunes · National parks to visit in December