Knox County Climate
Knox County, Nebraska
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
49.1°F
Annual Precip
27.7"
Annual Snowfall
38.6"
Extreme Heat Days
30
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
3,168
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Knox County
Climate Verdict
Knox County has a cool, averaging 49.1°F annually, moderate rainfall of 27.7 inches per year, occasional hot days — 29.866666666666664 per year above 90°F, moderate snowfall of 38.6 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 21.5°F. summers are warm — July averages 75.1°F. Residents experience a substantial 54°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Knox County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Knox County closely matches the Nebraska statewide average temperature of 49.7°F.
Climate Profile
About Knox County Weather
A classic continental cycle
Knox County's 49.1°F average temperature sits below the national median. It features the dramatic seasonal shifts typical of the upper Missouri River valley.
Slightly cooler than state average
The county's 49.1°F average is just below the Nebraska average of 49.7°F. However, its 27.7 inches of rain is slightly higher than the state's 25.9-inch norm.
Higher snowfall than southern peers
Knox receives 38.6 inches of snow, far more than Lancaster County's 28.0 inches. It is also wetter than Kearney County, which receives 25.7 inches of rain.
Harsh winters and hot Julys
January is cold with an average of 21.5°F and heavy snow totaling 38.6 inches. July rebounds to an average of 75.1°F with 30 extreme heat days.
Winterize for heavy snow
Homeowners should prioritize roof maintenance to handle the weight of 38.6 inches of snow. Efficient heating is critical to offset the 21.5°F January average.
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.