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Grand Island climate
Typical historical weather for Grand Island, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Grand Island.
Annual average
11.3°C
across all months
Warmest month
30.3°C
Jul average high
Coolest month
-8.2°C
Jan average low
Annual rainfall
743mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
39.8°C
21 August 2023
Coldest day
-33.6°C
20 February 2025
Wettest day
73.4mm
22 May 2020
Windiest day
11.8m/s
23 April 2022
See the detail: Grand Island on 22 May 2020.