Average annual temperature is 14.0 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: -15.1 °C
Number of sunny days: 234 days
Number of rainy days: 119 days
Number of snow days: 12 days
Look at detailed online map of Glasco
* Weather data for Glasco 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) | 13.2 | 17.1 | 23.5 | 30.0 | 31.6 | 36.1 | 39.6 | 40.2 | 37.5 | 32.7 | 22.6 | 17.5 |
| Average daytime temperature (°C) | 4.9 | 9.6 | 11.8 | 21.4 | 26.1 | 30.6 | 32.7 | 33.6 | 30.4 | 21.2 | 14.1 | 8.3 |
| Average temperature (°C) | 0.0 | 1.8 | 5.2 | 13.4 | 19.7 | 24.1 | 26.3 | 27.0 | 23.8 | 15.1 | 7.8 | 3.4 |
| Average night temperature (°C) | -3.8 | -3.6 | 0.3 | 7.1 | 14.1 | 18.4 | 20.9 | 21.3 | 17.9 | 10.0 | 3.0 | -0.2 |
| Absolute minimum temperature (°C) | -15.1 | -14.9 | -8.0 | -3.3 | 4.5 | 12.2 | 15.5 | 14.9 | 11.7 | -5.3 | -5.1 | -4.8 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 10.0 | 9.5 |
| 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) | 6.5 | 8.7 | 8.2 | 10.4 | 10.9 | 12.0 | 11.9 | 12.1 | 10.1 | 8.2 | 7.4 | 5.6 |
| Precipitation (mm) | 37 | 28 | 10 | 18 | 35 | 83 | 77 | 60 | 38 | 48 | 37 | 42 |
| Sunny days | 22 | 22 | 19 | 24 | 15 | 14 | 9 | 23 | 21 | 21 | 23 | 21 |
| Rainy days | 6 | 4 | 10 | 6 | 16 | 16 | 22 | 8 | 9 | 9 | 5 | 8 |
| Snow days | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Glasco during the most sunny months:
The largest precipitation sum in Glasco is at