Long-Range Weather Forecast for Boise, ID

Map showing Old Farmer's Almanac long range weather region number 13

Annual Weather Summary
November 2021 to October 2022

Winter will be slightly colder than normal as well as drier, with below-normal snowfall in most areas. The coldest periods will be in late November, late December, and early and late January, with the snowiest periods in late December, late January, and early March. April and May will have above-normal temperatures, with slightly above-normal precipitation. Summer temperatures will be hotter than normal, with slightly above-normal rainfall. The hottest periods will be in mid-June, mid- and late July, and early to mid-August. September and October temperatures will be near normal in the north and above normal in the south, with near-normal precipitation.

Free 2-Month Weather Forecast

December 2021 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Dec 1-4Sunny, mild
Dec 5-14Showers, then sunny; mild north, cold south
Dec 15-21Snow showers north, sunny south; mild
Dec 22-31Snowy periods, turning very cold
Decembertemperature 32° (1° below avg.)
precipitation 1" (0.5" below avg.)
January 2022 Long Range Weather Forecast for Intermountain
DatesWeather Conditions
Jan 1-9Snow showers, cold
Jan 10-14Sunny, mild
Jan 15-21Snow showers, then sunny, cold
Jan 22-31Snow showers, cold
Januarytemperature 30° (2° below avg.)
precipitation 0.5" (1" below avg.)

Temperature and Precipitation November 2021 to October 2022

Temperature and Precipitation Chart, November 2021 to October 2022 for Boise, ID