What is the weather like in Indiana Dunes National Park vs Mammoth Cave National Park in January?

In January, Indiana Dunes National Park averages 1°C high / -5°C low with about 60 mm of rain; Mammoth Cave National Park averages 9°C high / -1°C low with about 127 mm.

Indiana Dunes National Park vs Mammoth Cave National Park in January

Mammoth Cave National Park is the better pick in January — 66 vs 55 on SeasonMap's comfort score. Mammoth Cave National Park is cold, rainy, clean air, while Indiana Dunes National Park is freezing, a little rain, clean air.

Indiana Dunes National Park vs Mammoth Cave National Park — January climate, side by side

	🇺🇸 Indiana Dunes National Park	🇺🇸 Mammoth Cave National Park
Comfort score	55/100 (D)	66/100 (C)
Feels-like high	-4°C	5°C
Avg high / low	1° / -5°	9° / -1°
Rainfall	60 mm	127 mm
Rainy days	9	10
Humidity	77%	70%
Air quality (AQI)	35	30

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Indiana Dunes National Park 🇺🇸 United Statesfreezing, a little rain, clean air · best May55
Mammoth Cave National Park 🇺🇸 United Statescold, rainy, clean air · best April66

Indiana Dunes National Park vs Mammoth Cave National Park in January — FAQ

Is January better in Indiana Dunes National Park or Mammoth Cave National Park?: Mammoth Cave National Park is the better pick in January — 66 vs 55 on SeasonMap's comfort score. Mammoth Cave National Park is cold, rainy, clean air, while Indiana Dunes National Park is freezing, a little rain, clean air.
What is the weather like in Indiana Dunes National Park vs Mammoth Cave National Park in January?: In January, Indiana Dunes National Park averages 1°C high / -5°C low with about 60 mm of rain; Mammoth Cave National Park averages 9°C high / -1°C low with about 127 mm.