What is the weather like in Big Sky vs Sun Valley in May?

In May, Big Sky averages 12°C high / 1°C low with about 94 mm of rain; Sun Valley averages 16°C high / 1°C low with about 55 mm.

Big Sky vs Sun Valley in May

Big Sky is the better pick in May — 50 vs 34 on SeasonMap's comfort score. Big Sky is cool, rainy, reliable snow, while Sun Valley is cool, a little rain, reliable snow.

Big Sky vs Sun Valley — May climate, side by side

	Big Sky	Sun Valley
Comfort score	50/100 (D)	34/100 (F)
Feels-like high	10°C	14°C
Avg high / low	12° / 1°	16° / 1°
Rainfall	94 mm	55 mm
Rainy days	16	8
Humidity	74%	70%
Air quality (AQI)	54	53

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

Big Sky vs Sun Valley in May — FAQ

Is May better in Big Sky or Sun Valley?: Big Sky is the better pick in May — 50 vs 34 on SeasonMap's comfort score. Big Sky is cool, rainy, reliable snow, while Sun Valley is cool, a little rain, reliable snow.
What is the weather like in Big Sky vs Sun Valley in May?: In May, Big Sky averages 12°C high / 1°C low with about 94 mm of rain; Sun Valley averages 16°C high / 1°C low with about 55 mm.