Average annual temperature is 11.7 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 157 days
Number of rainy days: 201 days
Number of snow days: 7 days
Look at detailed online map of Greystone
* Weather data for Greystone 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) | 12.5 | 18.0 | 15.4 | 32.5 | 28.5 | 31.7 | 32.1 | 29.7 | 33.5 | 28.1 | 18.7 | 16.1 |
| Average daytime temperature (°C) | 6.8 | 6.6 | 9.0 | 17.1 | 21.0 | 24.2 | 28.3 | 25.9 | 23.3 | 19.0 | 10.0 | 8.4 |
| Average temperature (°C) | 3.1 | 1.7 | 4.0 | 11.1 | 14.8 | 18.5 | 23.6 | 21.2 | 18.9 | 14.1 | 5.0 | 4.2 |
| Average night temperature (°C) | -0.3 | -2.9 | -0.4 | 6.0 | 9.2 | 13.8 | 19.7 | 17.2 | 15.4 | 10.3 | 1.1 | 0.8 |
| Absolute minimum temperature (°C) | -5.6 | -23.2 | -4.6 | -3.3 | 2.7 | 7.7 | 14.7 | 13.2 | 8.0 | 4.0 | -4.6 | -6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.8 | 6.5 | 7.4 | 8.4 | 11.6 | 9.5 | 10.8 | 9.2 | 7.3 | 7.7 | 7.0 | 5.2 |
| Precipitation (mm) | 185 | 48 | 121 | 79 | 74 | 106 | 196 | 161 | 244 | 94 | 51 | 179 |
| Sunny days | 8 | 13 | 16 | 14 | 21 | 4 | 7 | 11 | 13 | 15 | 20 | 15 |
| Rainy days | 19 | 13 | 15 | 16 | 10 | 26 | 24 | 20 | 17 | 16 | 10 | 15 |
| Snow days | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Greystone during the most sunny months:
The largest precipitation sum in Greystone is at