Silver Bow County Climate
Silver Bow County, Montana
Avg Annual Temp
40.5°F
Annual Precip
12.0"
Annual Snowfall
15.2"
Extreme Heat Days
7.35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Silver Bow County Weather
A High-Altitude, Dry Climate
Silver Bow County maintains a cool 40.5°F annual average, influenced by its significant elevation. This keeps the county much cooler than the national median throughout the year.
Cooler and Drier Than the State
At 40.5°F, Silver Bow is colder than the 43.7°F state average. It is also exceptionally dry, receiving only 12.0 inches of precipitation compared to the 15.4-inch state norm.
Low Heat and Low Snowfall
Compared to its neighbors, Silver Bow has very few extreme heat days, averaging just 7 per year. Surprisingly, it only sees 15.2 inches of annual snowfall, which is remarkably low for a high-altitude Montana county.
Milder Summers and Moderate Cold
July is very comfortable with an average of 63.8°F, and the county rarely sees extreme heat. Winters are cold but dry, with a January average of 20.8°F and minimal snow accumulation.
Dress in Layers for Dry Cold
Because of the low 12.0-inch annual precipitation, humidifiers are a common household need. Residents can enjoy summers without heavy air conditioning, but should prepare for constant winter chills.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.