Grant County Climate
Grant County, Nebraska
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
48.0°F
Annual Precip
18.3"
Annual Snowfall
—
Extreme Heat Days
24
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
5a
Minimum winter temperature range for plant survival
2,644
Supports most vegetables & fruits
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Grant County
Climate Verdict
Grant County has a cool, averaging 48.0°F annually, semi-arid conditions with only 18.3 inches of annual precipitation, occasional hot days — 23.5 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 26.2°F. summers are warm — July averages 72.4°F. The 46°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
Growing season and gardening data is currently limited for Grant County. Check the USDA Plant Hardiness Zone Map and local extension office for specific guidance.
Regional Context
Grant County closely matches the Nebraska statewide average temperature of 49.7°F, it is also noticeably drier, receiving 7.6 inches less precipitation than the state average.
Climate Profile
About Grant County Weather
Cooler High-Altitude Western Climate
Grant County is one of the cooler spots in the region with an annual average of 48.0°F. This is several degrees lower than the national median for U.S. counties.
Colder Than the State Average
At 48.0°F, Grant is nearly two degrees cooler than the Nebraska state average. It reflects the high-altitude, semi-arid nature of the western Sandhills.
Dry Conditions in the Sandhills
This is one of the driest counties in the region, receiving only 18.3 inches of annual precipitation. It sees far less moisture than eastern counties like Gage.
Mild Summers and Freezing Winters
Summer stays relatively cool with only 24 days above 90°F. While specific snowfall data is limited, the 27.2°F winter average indicates consistent freezing conditions.
Focus on Moisture and Insulation
Given the low 18.3-inch rainfall, moisture-retaining landscaping is essential. High-performance winter gear is necessary to combat the cold 27.2°F winter season.
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.