Prairie County Climate
Prairie County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
43.8°F
Annual Precip
14.0"
Annual Snowfall
11.8"
Extreme Heat Days
30
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
2,219
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Prairie County
Climate Verdict
Prairie County has a cool, averaging 43.8°F annually, arid conditions receiving just 14.0 inches of precipitation annually, occasional hot days — 30.26666666666667 per year above 90°F, light snow averaging 11.8 inches per year. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 17.2°F. summers are warm — July averages 70.9°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Prairie County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Prairie County closely matches the Montana statewide average temperature of 43.7°F.
Climate Profile
About Prairie County Weather
Vast Temperature Swings on the Plains
The 43.8°F average is about 10.6 degrees below the national median. This eastern Montana county experiences wide temperature swings characteristic of the Great Plains.
Perfectly Aligned with Montana
Prairie County aligns almost perfectly with the Montana state average of 43.7°F. It serves as a reliable benchmark for the state's overall thermal profile.
Exceptionally Dry Winters
It is remarkably dry with only 11.8 inches of snow annually, far less than its western neighbors. Total precipitation of 14.0 inches also trails the 15.4-inch state average.
Deep Winter and Sunny Summers
Extremes define the year, with a cold 17.2°F January and a warm 70.9°F July. Despite the low snowfall, the 19.5°F winter average remains biting.
Cooling and Drought Prep
With 30 extreme heat days and very low snowfall, residents should focus on cooling and drought-resistant landscaping. Winter prep involves managing wind chill rather than shoveling heavy snow.
Frequently Asked Questions
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Track your own weather in Prairie County
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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.