Average annual temperature is 22.7 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: 14.8 °C
Number of sunny days: 293 days
Number of rainy days: 72 days
Look at detailed online map of San Isaías
* Weather data for San Isaías 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) | 30.9 | 31.3 | 32.9 | 33.6 | 30.0 | 28.0 | 27.0 | 27.2 | 27.3 | 28.9 | 28.6 | 29.4 |
| Average daytime temperature (°C) | 28.9 | 29.7 | 29.9 | 31.4 | 27.9 | 26.4 | 25.9 | 25.9 | 25.9 | 26.6 | 26.9 | 27.8 |
| Average temperature (°C) | 23.8 | 25.1 | 25.7 | 26.6 | 23.3 | 21.3 | 20.8 | 20.6 | 20.5 | 21.3 | 21.2 | 22.7 |
| Average night temperature (°C) | 19.6 | 21.6 | 22.2 | 23.1 | 19.5 | 17.2 | 16.4 | 16.4 | 16.5 | 17.5 | 17.2 | 19.0 |
| Absolute minimum temperature (°C) | 16.9 | 20.0 | 20.9 | 21.1 | 18.1 | 15.1 | 15.1 | 14.8 | 15.1 | 16.2 | 15.1 | 17.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 | 11.6 | 11.8 | 12.1 | 12.3 | 12.5 | 12.7 |
| 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) | 10.3 | 9.9 | 10.0 | 10.3 | 10.7 | 10.7 | 10.8 | 10.8 | 11.0 | 10.6 | 11.1 | 10.8 |
| Precipitation (mm) | 6 | 35 | 69 | 6 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 12 |
| Sunny days | 23 | 17 | 13 | 20 | 31 | 30 | 31 | 31 | 29 | 22 | 25 | 21 |
| Rainy days | 8 | 11 | 18 | 10 | 0 | 0 | 0 | 0 | 1 | 9 | 5 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Isaías is at