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

In December, Boise averages 4°C high / -3°C low with about 41 mm of rain; Great Sand Dunes National Park averages 4°C high / -8°C low with about 13 mm.

Boise vs Great Sand Dunes National Park in December

Great Sand Dunes National Park is the better pick in December — 71 vs 47 on SeasonMap's comfort score. Great Sand Dunes National Park is cold, dry, clean air, while Boise is cold, a little rain, clean air.

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

	🇺🇸 Boise	🇺🇸 Great Sand Dunes National Park
Comfort score	47/100 (F)	71/100 (B)
Feels-like high	0°C	0°C
Avg high / low	4° / -3°	4° / -8°
Rainfall	41 mm	13 mm
Rainy days	9	2
Humidity	75%	61%
Air quality (AQI)	37	38

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

Month by month

Boise vs Great Sand Dunes National Park in December — FAQ

Is December better in Boise or Great Sand Dunes National Park?: Great Sand Dunes National Park is the better pick in December — 71 vs 47 on SeasonMap's comfort score. Great Sand Dunes National Park is cold, dry, clean air, while Boise is cold, a little rain, clean air.
What is the weather like in Boise vs Great Sand Dunes National Park in December?: In December, Boise averages 4°C high / -3°C low with about 41 mm of rain; Great Sand Dunes National Park averages 4°C high / -8°C low with about 13 mm.