Richland County Climate
Richland County, Montana
Avg Annual Temp
45.5°F
Annual Precip
15.8"
Annual Snowfall
30.0"
Extreme Heat Days
31.45
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 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.