Ravalli County Climate
Ravalli County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
43.7°F
Annual Precip
14.9"
Annual Snowfall
52.8"
Extreme Heat Days
20
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5b
Minimum winter temperature range for plant survival
1,479
Limited to cold-tolerant varieties
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Ravalli County
Climate Verdict
Ravalli County has a cool, averaging 43.7°F annually, arid conditions receiving just 14.9 inches of precipitation annually, rare extreme heat with only 19.516666666666666 days above 90°F annually, moderate snowfall of 52.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 25.3°F. summers are pleasantly cool with July averaging 65.1°F. The 40°F seasonal variation provides noticeable but manageable change. December is typically the coldest month and July the warmest.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Ravalli County closely matches the Montana statewide average temperature of 43.7°F.
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 sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.