Average annual temperature is 23.0 °C
Absolute maximum temperature: 46.6 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 314 days
Number of rainy days: 51 days
Look at detailed online map of Casa Grande
* Weather data for Casa Grande 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) | 22.5 | 25.6 | 28.4 | 38.3 | 38.5 | 43.5 | 46.6 | 45.3 | 44.3 | 38.3 | 33.7 | 25.2 |
| Average daytime temperature (°C) | 16.8 | 20.0 | 22.6 | 31.0 | 34.7 | 38.1 | 43.8 | 41.2 | 38.2 | 33.1 | 25.3 | 19.8 |
| Average temperature (°C) | 9.8 | 11.8 | 15.0 | 22.8 | 27.2 | 30.5 | 37.5 | 34.7 | 30.8 | 25.7 | 17.7 | 12.1 |
| Average night temperature (°C) | 4.4 | 5.4 | 8.5 | 14.1 | 19.3 | 22.1 | 30.0 | 28.3 | 23.2 | 17.9 | 10.7 | 5.8 |
| Absolute minimum temperature (°C) | -1.9 | -1.7 | 0.7 | 2.8 | 11.6 | 17.8 | 24.3 | 22.2 | 19.4 | 9.3 | 3.0 | 1.3 |
| 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) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.3 | 14.1 | 13.3 | 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) | 7.9 | 9.0 | 9.4 | 11.9 | 12.7 | 13.0 | 12.8 | 11.4 | 10.8 | 10.4 | 8.9 | 8.2 |
| Precipitation (mm) | 41 | 18 | 36 | 0 | 0 | 0 | 0 | 15 | 31 | 0 | 23 | 18 |
| Sunny days | 25 | 22 | 23 | 30 | 27 | 30 | 28 | 20 | 25 | 30 | 27 | 27 |
| Rainy days | 6 | 6 | 8 | 0 | 4 | 0 | 3 | 11 | 5 | 1 | 3 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Casa Grande is at