Garfield County Climate
Garfield County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
44.9°F
Annual Precip
14.0"
Annual Snowfall
28.1"
Extreme Heat Days
35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4b
Minimum winter temperature range for plant survival
2,278
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Garfield County
Climate Verdict
Garfield County has a cool, averaging 44.9°F annually, arid conditions receiving just 14.0 inches of precipitation annually, occasional hot days — 34.574999999999996 per year above 90°F, moderate snowfall of 28.1 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 19.5°F. summers are warm — July averages 71.5°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Garfield County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Garfield County closely matches the Montana statewide average temperature of 43.7°F.
Climate Profile
About Garfield County Weather
A dry, temperate climate in the High Plains
Garfield County maintains an average annual temperature of 44.9°F, sitting nearly 10 degrees below the national median. With only 14.0 inches of annual precipitation, it operates as a semi-arid environment compared to wetter regions across the country.
Warmer than the Montana state average
While Montana averages 43.7°F annually, Garfield County is slightly warmer at 44.9°F. This makes it one of the more temperate areas in a state known for its harsh northern climate.
Matching temperatures with Golden Valley neighbors
Garfield County shares an identical 44.9°F average with Golden Valley County to the southwest. However, it remains significantly warmer than Hill County to the northwest, which averages just 42.1°F.
Hot summers meet standard northern winters
Summers are intense with 35 days reaching 90°F or higher and a July average of 71.5°F. Winters bring a sharp contrast, with temperatures dropping to a January average of 19.5°F alongside 28.1 inches of annual snowfall.
Prepare for extreme summer heat peaks
Residents should invest in robust cooling systems to handle the five weeks of extreme heat each year. Winter preparations must include reliable heating and snow removal for the consistent sub-20 degree January nights.
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.