Average annual temperature is 1.6 °C
Absolute maximum temperature: 25.9 °C
Absolute minimum temperature: -20.5 °C
Number of sunny days: 119 days
Number of rainy days: 143 days
Number of snow days: 103 days
Look at detailed online map of Grand Island (historical)
* Weather data for Grand Island (historical) United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 2.9 | 7.7 | 6.5 | 13.4 | 17.3 | 22.6 | 25.9 | 25.1 | 23.1 | 16.8 | 9.6 | 5.8 |
| Average daytime temperature (°C) | -4.3 | -1.4 | -0.7 | 4.8 | 11.4 | 15.2 | 21.7 | 20.3 | 17.2 | 10.0 | 2.3 | -1.0 |
| Average temperature (°C) | -8.1 | -7.5 | -6.6 | -1.7 | 5.0 | 8.6 | 14.1 | 13.1 | 9.3 | 2.7 | -3.8 | -6.5 |
| Average night temperature (°C) | -11.1 | -11.0 | -11.1 | -6.4 | -0.3 | 2.6 | 7.4 | 7.0 | 3.0 | -2.7 | -8.0 | -10.6 |
| Absolute minimum temperature (°C) | -19.1 | -20.5 | -18.8 | -16.9 | -4.1 | -0.6 | 2.3 | 3.3 | -2.2 | -19.8 | -17.9 | -16.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.7 | 8.6 | 9.7 | 10.7 | 11.3 | 11.1 | 13.0 | 11.8 | 10.9 | 9.3 | 7.8 | 6.8 |
| Precipitation (mm) | 43 | 32 | 56 | 64 | 85 | 104 | 69 | 106 | 58 | 44 | 24 | 36 |
| Sunny days | 6 | 14 | 7 | 13 | 3 | 4 | 5 | 4 | 11 | 20 | 18 | 14 |
| Rainy days | 3 | 2 | 0 | 2 | 27 | 26 | 26 | 27 | 19 | 7 | 3 | 1 |
| Snow days | 22 | 12 | 24 | 15 | 1 | 0 | 0 | 0 | 0 | 4 | 9 | 16 |
The best time to visit Grand Island (historical) during the most sunny months:
The largest precipitation sum in Grand Island (historical) is at