Climate Boise - Idaho

 JanJaFebFeMarMaAprApMayMaJunJu
Average high in ºF Av. high Hi 384555627281
Average low in ºF Av. low Lo 252834394754
Days with precipitation Days precip. DP 10910875
Hours of sunshine Hours sun. Sun 108152238282334351
Av. precipitation in inch Av. precip. Pre. 1.220.981.381.221.380.67
 JulJuAugAuSepSeOctOcNovNoDecDe
Average high in ºF Av. high Hi 919079654838
Average low in ºF Av. low Lo 606051413224
Days with precipitation Days precip. DP 22351011
Hours of sunshine Hours sun. Sun 399359303238120105
Av. precipitation in inch Av. precip. Pre. 0.310.240.550.751.341.54

What is the average weather in Boise, Idaho?

Boise experiences a cold semi-arid climate, marked by very large seasonal temperature contrasts due to its inland location. Summers are hot, while winters are cold. The area is dry overall, with precipitation generally low, though spring sees slightly wetter conditions. Sunshine is abundant throughout the year, with over 2,900 hours annually.

Boise Climate Graph - Idaho Climate Chart

More Climate Data Boise

Station Data

Monthly averages Boise
Longitude: -116.215, Latitude: 43.6187
Average weather Boise, ID - 83721

Monthly: 1991-2020 normals

Abbreviations

Average precipitation in : Av. precipitation in
Jan: January, Feb: February, ...
Jan: January, Feb: February, ...Ja: January, Fe: February, ...