Toole County Climate
Toole County, Montana
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
42.3°F
Annual Precip
13.0"
Annual Snowfall
57.9"
Extreme Heat Days
14
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
4a
Minimum winter temperature range for plant survival
1,663
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Toole County
Climate Verdict
Toole County has a cool, averaging 42.3°F annually, arid conditions receiving just 13.0 inches of precipitation annually, rare extreme heat with only 14.38 days above 90°F annually, moderate snowfall of 57.9 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 20.1°F. summers are pleasantly cool with July averaging 66.1°F. The 46°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Winter sports enthusiasts benefit from reliable snow cover for 3-4 months annually.
Regional Context
Toole County closely matches the Montana statewide average temperature of 43.7°F, it is somewhat drier than average for Montana.
Climate Profile
About Toole County Weather
Cold and dry northern plains
Toole County sits at an average annual temperature of 42.3°F, roughly 11 degrees cooler than the national median. It is a semi-arid region, receiving only 13.0 inches of precipitation annually.
Among Montana's cooler counties
The county's 42.3°F average falls below the Montana state average of 43.7°F. Winter is particularly harsh here, with a December-February average of 21.4°F, which is notably colder than the state's southern regions.
Windiest and coldest in the north
Toole County averages 14 days of extreme heat, which is higher than neighbor Teton County but less than Valley County to the east. It sees 57.9 inches of annual snowfall, creating a more rugged winter environment than many nearby plains counties.
Deep winter and sharp summers
January temperatures plunge to an average of 20.1°F, making it one of the colder spots in the state. Conversely, July brings a warm average of 66.1°F, with heat occasionally spiking over 90°F for two weeks of the year.
Winterize for the long haul
High-efficiency heating systems are a necessity given the 21.4°F winter average. Residents should also plan for 57.9 inches of snow, necessitating reliable 4WD vehicles and emergency kits for winter travel across the open plains.
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.