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

In March, Indiana Dunes National Park averages 7°C high / 0°C low with about 87 mm of rain; Mammoth Cave National Park averages 18°C high / 5°C low with about 133 mm.

Indiana Dunes National Park vs Mammoth Cave National Park in March

Mammoth Cave National Park is the better pick in March — 81 vs 70 on SeasonMap's comfort score. Mammoth Cave National Park is nice, rainy, clean air, while Indiana Dunes National Park is cold, rainy, clean air.

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

	🇺🇸 Indiana Dunes National Park	🇺🇸 Mammoth Cave National Park
Comfort score	70/100 (B)	81/100 (A)
Feels-like high	3°C	16°C
Avg high / low	7° / 0°	18° / 5°
Rainfall	87 mm	133 mm
Rainy days	11	10
Humidity	75%	66%
Air quality (AQI)	43	40

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

Month by month

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

Is March better in Indiana Dunes National Park or Mammoth Cave National Park?: Mammoth Cave National Park is the better pick in March — 81 vs 70 on SeasonMap's comfort score. Mammoth Cave National Park is nice, rainy, clean air, while Indiana Dunes National Park is cold, rainy, clean air.
What is the weather like in Indiana Dunes National Park vs Mammoth Cave National Park in March?: In March, Indiana Dunes National Park averages 7°C high / 0°C low with about 87 mm of rain; Mammoth Cave National Park averages 18°C high / 5°C low with about 133 mm.