Bannock County Climate
Bannock County, Idaho
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
47.5°F
Annual Precip
15.0"
Annual Snowfall
46.0"
Extreme Heat Days
35
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6b
Minimum winter temperature range for plant survival
2,346
Favors cool-season crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Bannock County
Climate Verdict
Bannock County has a cool, averaging 47.5°F annually, semi-arid conditions with only 15.0 inches of annual precipitation, occasional hot days — 35.3 per year above 90°F, moderate snowfall of 46.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 25.7°F. summers are warm — July averages 71.7°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
Bannock County closely matches the Idaho statewide average temperature of 46.5°F.
Climate Profile
About Bannock County Weather
Temperate but cooler than national norms
Bannock County's 47.5°F average annual temperature sits roughly six degrees below the national median. This reflects its high-altitude steppe environment in Southeast Idaho.
Slightly warmer than the state average
Despite its high elevation, the county is one degree warmer than the Idaho average of 46.5°F. This makes it a relatively comfortable hub for the region's commerce and education.
Wetter and snowier than Bingham County
Bannock receives 15.0 inches of precipitation, which is more than its neighbor Bingham to the north. It also sees double the snowfall of some nearby valley counties with 46.0 inches annually.
Thirty-five days of summer heat
Summers are warm with 35 days reaching over 90°F and a July average of 71.7°F. Winters are consistently cold, averaging 25.7°F in January with significant snow accumulation.
Invest in versatile winter equipment
A heavy-duty snow blower is a wise investment to manage the 46 inches of annual snowfall. Residents should also winterize pipes early as winter averages hover around 27.1°F.
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.