Musselshell County Climate
Musselshell County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
46.0°F
Annual Precip
15.2"
Annual Snowfall
36.8"
Extreme Heat Days
42
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,213
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Musselshell County
Climate Verdict
Musselshell County has a cool, averaging 46.0°F annually, semi-arid conditions with only 15.2 inches of annual precipitation, occasional hot days — 41.63333333333333 per year above 90°F, moderate snowfall of 36.8 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 24.4°F. summers are warm — July averages 71.0°F. The 47°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Musselshell County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Musselshell County closely matches the Montana statewide average temperature of 43.7°F, the county experiences 19.96878826530612 more extreme heat days than the state average.
Climate Profile
About Musselshell County Weather
A Cool Climate in Big Sky Country
The 46.0°F annual average in Musselshell County is nearly 8 degrees cooler than the national median of 54.4°F. This semi-arid climate defines the heart of the northern plains.
Warmer Than the Montana Average
Musselshell sits 2.3 degrees above the Montana state average of 43.7°F. It ranks as one of the warmer regions in a state known for its frigid winters.
Consistent Temperatures Across the Central Plains
Its 46.0°F average mirrors nearby Petroleum County but stays warmer than the mountain-chilled regions to the west. Precipitation levels of 15.2 inches align closely with the state's 15.4-inch norm.
Hot Summers and Moderate Snow
Residents face 42 extreme heat days reaching 90°F or higher during the 67.6°F summers. Winters average 25.5°F and bring a moderate 36.8 inches of annual snowfall.
Planning for Heat and Snow
High heat frequency requires robust air conditioning for the 71.0°F July peaks. Winter prep should include standard snow removal equipment for the 36.8 inches of annual accumulation.
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.