Richland County Climate
Richland County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
45.5°F
Annual Precip
15.8"
Annual Snowfall
30.0"
Extreme Heat Days
31
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
2,573
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Richland County
Climate Verdict
Richland County has a cool, averaging 45.5°F annually, semi-arid conditions with only 15.8 inches of annual precipitation, occasional hot days — 31.45 per year above 90°F, moderate snowfall of 30.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 17.4°F. summers are warm — July averages 72.4°F. Residents experience a substantial 55°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Richland County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Richland County closely matches the Montana statewide average temperature of 43.7°F.
Climate Profile
About Richland County Weather
Warmer Than the Montana Median
Richland County averages 45.5°F annually, placing it closer to the national median than many of its northern neighbors. This climate reflects a semi-arid transition zone with distinct seasonal extremes.
Leading the State in Temperature
At 45.5°F, Richland County is warmer than the Montana state average of 43.7°F. It experiences a more intense summer heat profile than the high-altitude counties to the west.
Dry Heat on the Eastern Border
Richland’s 15.8 inches of annual precipitation is nearly identical to the state average, but its 31 extreme heat days set it apart from cooler mountain regions. It receives 30.0 inches of snow, significantly less than the heavy totals found in western Montana.
Dramatic Swings From July to January
July brings a hot average of 72.4°F, while January plunges to a cold 17.4°F. This 55-degree spread between seasonal peaks defines the rugged local weather experience.
Prioritize Cooling and Winter Resilience
With a full month of temperatures over 90°F, efficient air conditioning is essential for Richland residents. Winter planning should focus on extreme cold protection rather than heavy snow management, given the modest 30-inch annual snowfall.
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.