Average annual temperature is 20.4 °C
Absolute maximum temperature: 32.2 °C
Absolute minimum temperature: 12.9 °C
Number of sunny days: 286 days
Number of rainy days: 79 days
Look at detailed online map of San Juan Grande
* Weather data for San Juan Grande Peru is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.5 | 30.7 | 32.2 | 30.9 | 27.1 | 24.9 | 24.4 | 24.5 | 24.2 | 27.3 | 26.4 | 27.7 |
| Average daytime temperature (°C) | 26.9 | 28.6 | 29.3 | 29.1 | 24.7 | 23.3 | 23.0 | 23.2 | 22.5 | 23.6 | 24.1 | 26.0 |
| Average temperature (°C) | 22.2 | 24.0 | 24.4 | 24.2 | 19.9 | 18.2 | 17.8 | 17.9 | 17.6 | 18.7 | 19.0 | 20.9 |
| Average night temperature (°C) | 18.6 | 20.7 | 20.9 | 20.5 | 16.6 | 14.7 | 14.2 | 14.3 | 14.3 | 15.5 | 15.4 | 17.2 |
| Absolute minimum temperature (°C) | 16.5 | 19.8 | 19.4 | 18.5 | 14.8 | 13.2 | 13.4 | 13.2 | 12.9 | 14.5 | 13.7 | 15.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.5 | 11.5 | 11.7 | 12.0 | 12.4 | 12.6 | 12.8 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 10.9 | 9.8 | 10.2 | 10.5 | 10.5 | 10.5 | 10.6 | 10.7 | 11.0 | 11.0 | 11.3 | 11.4 |
| Precipitation (mm) | 23 | 26 | 37 | 4 | 1 | 0 | 0 | 0 | 2 | 3 | 0 | 4 |
| Sunny days | 22 | 13 | 15 | 25 | 25 | 27 | 30 | 27 | 24 | 24 | 29 | 25 |
| Rainy days | 9 | 15 | 16 | 5 | 6 | 3 | 1 | 4 | 6 | 7 | 1 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Grande is at