What is the weather like in Grand Teton National Park vs Great Sand Dunes National Park in December?

In December, Grand Teton National Park averages -3°C high / -14°C low with about 81 mm of rain; Great Sand Dunes National Park averages 4°C high / -8°C low with about 13 mm.

Grand Teton National Park vs Great Sand Dunes National Park in December

Great Sand Dunes National Park is the better pick in December — 71 vs 42 on SeasonMap's comfort score. Great Sand Dunes National Park is cold, dry, clean air, while Grand Teton National Park is freezing, rainy, clean air.

Grand Teton National Park vs Great Sand Dunes National Park — December climate, side by side

	🇺🇸 Grand Teton National Park	🇺🇸 Great Sand Dunes National Park
Comfort score	42/100 (F)	71/100 (B)
Feels-like high	-7°C	0°C
Avg high / low	-3° / -14°	4° / -8°
Rainfall	81 mm	13 mm
Rainy days	14	2
Humidity	82%	61%
Air quality (AQI)	40	38

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

Month by month

Grand Teton National Park 🇺🇸 United Statesfreezing, rainy, clean air · best June42
Great Sand Dunes National Park 🇺🇸 United Statescold, dry, clean air · best September71

Grand Teton National Park vs Great Sand Dunes National Park in December — FAQ

Is December better in Grand Teton National Park or Great Sand Dunes National Park?: Great Sand Dunes National Park is the better pick in December — 71 vs 42 on SeasonMap's comfort score. Great Sand Dunes National Park is cold, dry, clean air, while Grand Teton National Park is freezing, rainy, clean air.
What is the weather like in Grand Teton National Park vs Great Sand Dunes National Park in December?: In December, Grand Teton National Park averages -3°C high / -14°C low with about 81 mm of rain; Great Sand Dunes National Park averages 4°C high / -8°C low with about 13 mm.