Weather and seasons near Boise
Boise has hot, dry summers and modest snow: about 12 to 22 inches a year.
12 to 22 inSnow a year, by source
91°F to 93°FAverage July high
Inches of snow a year, compared
Syracuse
128 in (NOAA)
Albany, for Malta
59 in (NWS)
Salt Lake City, for Lehi
about 56 (47 to 63)
Columbus
about 28 (22 to 28)
Boise
about 19 (12 to 22)
Manassas
about 17 (11.5 to 22)
Albuquerque, for Rio Rancho
about 10 (8 to 11)
Portland, for Hillsboro
3.6 to 4
Denison, for Sherman
about 2
Normals from different sources and stations, so treat each as a range. Phoenix and Austin were not measured here.
Summer
- The average July high is about 91°F to 93°F. One source counts about six days a year at 100°F or more, across June to August.
Winter
- Annual snowfall runs about 12 to 22 inches by source, with December the snowiest month at about 7.1 inches.
- We found nothing on winter inversions, so we make no claim about them.
Not covered: winter air quality, rainfall and the official NOAA station table.