Average annual temperature is 21.3 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 0.6 °C
Number of sunny days: 148 days
Number of rainy days: 217 days
Look at detailed online map of Keystone Heights
* Weather data for Keystone Heights 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) | 28.2 | 28.8 | 30.5 | 32.4 | 33.0 | 35.2 | 36.2 | 36.9 | 34.4 | 29.7 | 28.3 | 25.9 |
| Average daytime temperature (°C) | 20.9 | 24.6 | 25.3 | 28.3 | 28.8 | 31.1 | 33.1 | 33.7 | 30.6 | 26.5 | 22.2 | 19.3 |
| Average temperature (°C) | 14.5 | 17.7 | 19.0 | 22.0 | 22.9 | 25.5 | 27.6 | 28.2 | 25.4 | 21.4 | 17.2 | 14.6 |
| Average night temperature (°C) | 9.7 | 13.0 | 14.3 | 16.9 | 18.3 | 21.5 | 24.0 | 24.5 | 21.7 | 17.6 | 13.7 | 11.2 |
| Absolute minimum temperature (°C) | 0.6 | 4.8 | 5.5 | 10.4 | 12.9 | 17.7 | 22.9 | 22.7 | 17.5 | 10.4 | 4.1 | 4.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.4 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.5 | 8.9 | 9.4 | 9.8 | 11.1 | 10.7 | 11.0 | 11.4 | 10.0 | 9.1 | 6.8 | 6.9 |
| Precipitation (mm) | 34 | 33 | 75 | 71 | 99 | 133 | 142 | 95 | 139 | 45 | 90 | 80 |
| Sunny days | 17 | 20 | 16 | 10 | 10 | 3 | 2 | 5 | 8 | 22 | 16 | 19 |
| Rainy days | 14 | 8 | 15 | 20 | 21 | 27 | 29 | 26 | 22 | 9 | 14 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Keystone Heights is at