Average annual temperature is 16.3 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -6.8 °C
Number of sunny days: 203 days
Number of rainy days: 159 days
Number of snow days: 3 days
Look at detailed online map of Glenn
* Weather data for Glenn 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) | 21.6 | 22.2 | 24.3 | 27.8 | 31.7 | 38.4 | 38.3 | 36.9 | 33.0 | 30.0 | 26.6 | 19.0 |
| Average daytime temperature (°C) | 11.5 | 13.7 | 15.7 | 21.1 | 27.3 | 31.8 | 32.9 | 31.3 | 28.9 | 22.5 | 15.6 | 12.1 |
| Average temperature (°C) | 6.4 | 8.0 | 9.8 | 15.1 | 21.1 | 25.3 | 27.1 | 26.0 | 22.8 | 17.0 | 9.8 | 7.2 |
| Average night temperature (°C) | 2.6 | 3.5 | 5.0 | 9.6 | 15.4 | 19.1 | 22.4 | 21.6 | 17.7 | 12.5 | 5.3 | 3.3 |
| Absolute minimum temperature (°C) | -5.4 | -6.8 | -6.1 | 3.1 | 7.0 | 12.6 | 16.6 | 15.9 | 12.7 | -2.1 | -2.9 | -5.0 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 5.6 | 7.1 | 7.7 | 9.9 | 11.3 | 12.5 | 11.3 | 10.4 | 10.9 | 7.8 | 7.7 | 6.9 |
| Precipitation (mm) | 158 | 116 | 221 | 100 | 58 | 29 | 63 | 91 | 23 | 111 | 27 | 62 |
| Sunny days | 13 | 18 | 15 | 18 | 17 | 15 | 9 | 17 | 18 | 20 | 22 | 21 |
| Rainy days | 16 | 9 | 16 | 12 | 14 | 15 | 22 | 14 | 12 | 11 | 8 | 10 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Glenn during the most sunny months:
The largest precipitation sum in Glenn is at