Average annual temperature is 20.5 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 6.5 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of Arroyo Grande
* Weather data for Arroyo Grande Mexico 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 | 32.8 | 34.3 | 37.2 | 36.2 | 38.9 | 32.2 | 31.2 | 32.3 | 30.3 | 30.2 | 26.0 |
| Average daytime temperature (°C) | 26.1 | 28.5 | 31.8 | 33.0 | 33.1 | 35.4 | 29.2 | 28.5 | 29.3 | 26.9 | 27.2 | 23.3 |
| Average temperature (°C) | 16.6 | 18.6 | 20.4 | 22.1 | 23.2 | 25.0 | 21.7 | 21.4 | 21.8 | 20.0 | 19.2 | 16.2 |
| Average night temperature (°C) | 9.6 | 11.3 | 11.6 | 13.2 | 14.8 | 16.8 | 17.1 | 17.1 | 17.5 | 15.5 | 13.9 | 11.1 |
| Absolute minimum temperature (°C) | 6.5 | 8.8 | 8.2 | 10.6 | 10.5 | 14.2 | 14.7 | 15.2 | 15.7 | 11.0 | 7.1 | 6.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.4 | 11.2 | 11.7 | 11.6 | 11.9 | 10.5 | 9.5 | 9.7 | 9.0 | 9.8 | 8.3 |
| Precipitation (mm) | 1 | 0 | 0 | 0 | 7 | 43 | 132 | 131 | 95 | 109 | 25 | 29 |
| Sunny days | 27 | 28 | 30 | 28 | 27 | 22 | 3 | 5 | 8 | 9 | 19 | 19 |
| Rainy days | 4 | 0 | 1 | 2 | 4 | 8 | 28 | 26 | 22 | 22 | 11 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arroyo Grande is at