Grant County Climate
Grant County, Nebraska
Avg Annual Temp
48.0°F
Annual Precip
18.3"
Annual Snowfall
—
Extreme Heat Days
23.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
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 source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.