Chouteau County Climate
Chouteau County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.5°F
Annual Precip
15.1"
Annual Snowfall
45.6"
Extreme Heat Days
25
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
1,980
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Chouteau County
Climate Verdict
Chouteau County has a cool, averaging 44.5°F annually, semi-arid conditions with only 15.1 inches of annual precipitation, occasional hot days — 25.349999999999998 per year above 90°F, moderate snowfall of 45.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 22.2°F. summers are pleasantly cool with July averaging 68.7°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Chouteau County closely matches the Montana statewide average temperature of 43.7°F.
Climate Profile
About Chouteau County Weather
A Classic Northern Plains Climate
Chouteau County’s 44.5°F annual average temperature is well below the national median. This reflects its vast, open geography and northern latitude.
Consistently Near Montana Norms
The county's 44.5°F average is almost identical to the Montana state average of 43.7°F. It experiences the typical temperature fluctuations expected in the heart of the state.
Average Moisture and Steady Snow
With 15.1 inches of precipitation, Chouteau aligns closely with the state average of 15.4 inches. It receives 45.6 inches of snow, which is more than its neighbor Blaine.
Strong Summers and Snowy Winters
July averages 68.7°F and features 25 days of 90°F heat. Winters stay cold, averaging 23.8°F with steady snowfall throughout the colder months.
Versatile Gear for Seasonal Shifts
Residents need gear for 25 days of extreme heat and nearly 46 inches of snow. Homes should be equipped with both cooling systems and high-efficiency heating for January's 22.2°F average.
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.