What is the weather like in Indianapolis vs Mammoth Cave National Park in December?

In December, Indianapolis averages 5°C high / -3°C low with about 65 mm of rain; Mammoth Cave National Park averages 12°C high / 1°C low with about 124 mm.

Indianapolis vs Mammoth Cave National Park in December

Mammoth Cave National Park is the better pick in December — 70 vs 49 on SeasonMap's comfort score. Mammoth Cave National Park is cold, rainy, clean air, while Indianapolis is cold, a little rain, clean air.

Indianapolis vs Mammoth Cave National Park — December climate, side by side

	🇺🇸 Indianapolis	🇺🇸 Mammoth Cave National Park
Comfort score	49/100 (F)	70/100 (B)
Feels-like high	2°C	9°C
Avg high / low	5° / -3°	12° / 1°
Rainfall	65 mm	124 mm
Rainy days	8	9
Humidity	74%	73%
Air quality (AQI)	33	30

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

Month by month

Indianapolis vs Mammoth Cave National Park in December — FAQ

Is December better in Indianapolis or Mammoth Cave National Park?: Mammoth Cave National Park is the better pick in December — 70 vs 49 on SeasonMap's comfort score. Mammoth Cave National Park is cold, rainy, clean air, while Indianapolis is cold, a little rain, clean air.
What is the weather like in Indianapolis vs Mammoth Cave National Park in December?: In December, Indianapolis averages 5°C high / -3°C low with about 65 mm of rain; Mammoth Cave National Park averages 12°C high / 1°C low with about 124 mm.