Average annual temperature is 12.5 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 165 days
Number of rainy days: 187 days
Number of snow days: 13 days
Look at detailed online map of Glass Rock
* Weather data for Glass Rock 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) | 16.0 | 21.6 | 22.2 | 27.4 | 29.5 | 33.7 | 32.6 | 32.5 | 32.7 | 27.8 | 20.1 | 16.3 |
| Average daytime temperature (°C) | 7.1 | 11.3 | 11.2 | 17.8 | 22.1 | 25.8 | 29.0 | 27.7 | 25.0 | 18.3 | 11.5 | 8.6 |
| Average temperature (°C) | 3.0 | 4.5 | 5.0 | 11.5 | 15.7 | 19.9 | 23.5 | 21.9 | 19.3 | 13.6 | 6.2 | 4.7 |
| Average night temperature (°C) | 0.0 | -0.1 | 0.5 | 6.0 | 10.3 | 14.6 | 18.9 | 17.1 | 14.5 | 9.8 | 2.3 | 1.8 |
| Absolute minimum temperature (°C) | -6.9 | -10.0 | -8.0 | -0.3 | 2.5 | 9.1 | 14.9 | 11.7 | 8.8 | 0.8 | -7.1 | -4.6 |
| 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) | 3.6 | 6.9 | 7.3 | 8.9 | 9.9 | 10.5 | 11.8 | 10.6 | 9.4 | 7.0 | 6.9 | 4.9 |
| Precipitation (mm) | 139 | 71 | 122 | 97 | 92 | 119 | 95 | 106 | 38 | 93 | 47 | 65 |
| Sunny days | 9 | 15 | 14 | 12 | 19 | 13 | 7 | 13 | 17 | 13 | 22 | 11 |
| Rainy days | 17 | 13 | 12 | 18 | 12 | 17 | 24 | 18 | 13 | 18 | 7 | 18 |
| Snow days | 5 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Glass Rock during the most sunny months:
The largest precipitation sum in Glass Rock is at