Average annual temperature is 18.4 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 246 days
Number of rainy days: 117 days
Number of snow days: 2 days
Look at detailed online map of Graham
* Weather data for Graham 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) | 24.7 | 26.5 | 29.3 | 34.0 | 35.2 | 42.1 | 40.5 | 41.7 | 40.1 | 32.1 | 30.0 | 22.8 |
| Average daytime temperature (°C) | 15.0 | 16.4 | 21.3 | 25.5 | 28.6 | 33.7 | 36.3 | 37.7 | 33.3 | 24.6 | 18.2 | 15.2 |
| Average temperature (°C) | 8.1 | 8.3 | 13.0 | 17.0 | 21.5 | 26.2 | 30.0 | 31.2 | 26.7 | 18.0 | 11.4 | 8.6 |
| Average night temperature (°C) | 2.8 | 2.9 | 6.7 | 10.5 | 15.5 | 20.0 | 24.0 | 24.9 | 20.8 | 12.9 | 6.6 | 3.6 |
| Absolute minimum temperature (°C) | -8.7 | -6.0 | -0.5 | 3.8 | 10.9 | 13.3 | 19.2 | 20.1 | 16.3 | -0.9 | -2.3 | -2.3 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.4 | 10.5 | 10.0 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.9 | 10.0 | 10.9 | 10.8 | 12.0 | 12.5 | 12.0 | 10.6 | 9.1 | 8.0 | 8.0 |
| Precipitation (mm) | 14 | 22 | 6 | 9 | 64 | 51 | 36 | 4 | 34 | 108 | 16 | 77 |
| Sunny days | 24 | 16 | 25 | 23 | 10 | 18 | 20 | 22 | 21 | 21 | 22 | 24 |
| Rainy days | 6 | 11 | 6 | 7 | 21 | 12 | 11 | 9 | 9 | 10 | 8 | 7 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Graham is at