Cass County Climate
Cass County, Nebraska
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
51.2°F
Annual Precip
32.7"
Annual Snowfall
29.0"
Extreme Heat Days
23
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
6a
Minimum winter temperature range for plant survival
3,448
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Cass County
Climate Verdict
Cass County has a mild, with an average annual temperature of 51.2°F, moderate rainfall of 32.7 inches per year, occasional hot days — 22.7 per year above 90°F, moderate snowfall of 29.0 inches annually. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are very cold — January averages 23.8°F. summers are warm — July averages 76.1°F. Residents experience a substantial 52°F difference between winter and summer.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Cass County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Cass County closely matches the Nebraska statewide average temperature of 49.7°F, it is also noticeably wetter, receiving 6.8 inches more precipitation than the state average.
Climate Profile
About Cass County Weather
Cass County's Warm, Moist Profile
With an average temperature of 51.2°F, Cass County is one of the warmer spots in Nebraska, though still below the national median. It receives 32.7 inches of precipitation, which is high for the Great Plains.
A Warm Outlier in Nebraska
Cass County is significantly warmer than the state average of 49.7°F and much wetter than the state's 25.9-inch norm. It enjoys a more moderate climate than the northern and western counties.
The Region's Warmest and Wettest
Compared to Butler or Burt, Cass County is notably warmer and receives more rainfall. It experiences the fewest extreme heat days in this set at just 23 per year.
Wet Summers and Moderate Winters
Summer averages a warm 73.9°F, while July peaks at 76.1°F. Winters are relatively mild for the state, averaging 26.8°F with 29 inches of annual snowfall.
Focus on Moisture and Drainage
The high 32.7-inch annual precipitation requires good home drainage systems and sump pump maintenance. Winter heating needs are slightly lower here than in Nebraska's northern counties.
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.