Average annual temperature is 25.4 °C
Absolute maximum temperature: 36.6 °C
Absolute minimum temperature: 12.8 °C
Number of sunny days: 68 days
Number of rainy days: 297 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) | 34.1 | 32.5 | 33.4 | 32.3 | 31.4 | 31.0 | 31.9 | 33.8 | 35.6 | 36.6 | 35.2 | 34.2 |
| Average daytime temperature (°C) | 30.0 | 29.8 | 30.2 | 29.8 | 28.3 | 28.0 | 29.6 | 31.0 | 31.8 | 33.1 | 31.4 | 31.1 |
| Average temperature (°C) | 25.2 | 25.1 | 25.5 | 25.3 | 24.5 | 23.2 | 24.3 | 25.6 | 26.5 | 27.4 | 26.4 | 26.2 |
| Average night temperature (°C) | 22.0 | 22.3 | 22.4 | 22.0 | 21.8 | 19.7 | 20.8 | 21.7 | 22.8 | 23.7 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.3 | 20.7 | 21.2 | 19.6 | 19.8 | 12.8 | 17.9 | 18.3 | 20.9 | 22.5 | 20.5 | 21.4 |
| 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) | 12.8 | 12.5 | 12.2 | 11.8 | 11.5 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.9 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 8.0 | 8.1 | 8.6 | 9.0 | 8.4 | 9.4 | 9.5 | 9.9 | 9.7 | 9.6 | 9.5 | 8.4 |
| Precipitation (mm) | 313 | 348 | 316 | 229 | 188 | 137 | 21 | 50 | 123 | 116 | 400 | 379 |
| Sunny days | 2 | 2 | 2 | 4 | 6 | 13 | 6 | 12 | 10 | 8 | 3 | 0 |
| Rainy days | 29 | 26 | 29 | 26 | 25 | 17 | 25 | 19 | 20 | 23 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Grande is at