ClimateAverages

Boise Weather in January

JanFebMarAprMayJunJulAugSepOctNovDec
January daytime high
1.3°C
January overnight low
-7.0°C
January average
-2.8°C

In January, Boise typically sees daytime highs of 1.3°C and overnight lows around -7.0°C. Compared to the annual average high of 15.8°C, January runs -14.6°C.

vs. annual avg high
-14.6°C
Rank among 12 months
#12 warmest
Hottest year overall
1933

Where January ranks in Boise

Jan1°FebMarAprMayJunJulAugSepOctNovDec

FAQ

What is the average temperature in Boise in January?

January in Boise averages a daytime high of 1.3°C and an overnight low of -7.0°C.

Is January warm or cold in Boise?

January runs -14.6°C compared to Boise's annual average high of 15.8°C, ranking #12 of 12 months by warmth.

What should I pack for Boise in January?

Plan for daytime highs near 1.3°C and cooler evenings around -7.0°C.

Other months for Boise

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember

January in nearby cities

MeridianNampaIdaho FallsPocatelloCaldwell