Ravalli County Climate
Ravalli County, Montana
Avg Annual Temp
43.7°F
Annual Precip
14.9"
Annual Snowfall
52.8"
Extreme Heat Days
19.516666666666666
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Ravalli County Weather
Ravalli County’s Cool Mountain Climate
Ravalli County maintains an average annual temperature of 43.7°F, which sits significantly lower than the national median. This alpine-influenced climate offers a crisp environment compared to more temperate regions across the United States.
Perfectly Aligned With Montana Averages
The county’s 43.7°F annual average matches the Montana state average exactly. While many counties vary wildly, Ravalli represents the thermal middle ground for the Big Sky State.
A Wetter Alternative to Mountain Neighbors
With 14.9 inches of annual precipitation, Ravalli is slightly drier than the state average of 15.4 inches. However, its 52.8 inches of annual snowfall outpaces many eastern Montana counties, keeping the Bitterroot Valley white for much of the winter.
Mild Summers and Snowy Winters
Summers are comfortable with a July average of 65.1°F, though residents still face 20 extreme heat days above 90°F annually. Winter brings a steady chill, with January temperatures averaging 25.3°F and significant seasonal snow accumulation.
Prepare for Snow and Seasonal Shifts
Residents should invest in high-quality snow removal equipment to manage the 52.8 inches of yearly snowfall. While summers are generally mild, the 20 days of extreme heat make supplemental cooling a wise addition for modern homes.
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.