Average annual temperature is 13.2 °C
Absolute maximum temperature: 24.0 °C
Absolute minimum temperature: 4.3 °C
Number of sunny days: 188 days
Number of rainy days: 177 days
Look at detailed online map of San Alfonso
* Weather data for San Alfonso 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) | 17.9 | 18.0 | 19.2 | 18.4 | 19.7 | 20.5 | 21.4 | 22.7 | 24.0 | 23.4 | 22.3 | 21.8 |
| Average daytime temperature (°C) | 15.4 | 16.5 | 15.9 | 16.3 | 17.7 | 18.8 | 20.0 | 21.1 | 21.9 | 20.3 | 19.4 | 18.3 |
| Average temperature (°C) | 11.2 | 11.6 | 11.8 | 12.0 | 12.7 | 12.9 | 13.7 | 14.5 | 15.2 | 14.8 | 14.1 | 13.2 |
| Average night temperature (°C) | 8.1 | 8.3 | 8.7 | 7.7 | 7.8 | 7.2 | 7.6 | 8.3 | 9.2 | 9.8 | 9.8 | 9.3 |
| Absolute minimum temperature (°C) | 6.7 | 6.9 | 6.6 | 4.3 | 5.9 | 4.8 | 5.2 | 6.3 | 7.2 | 8.2 | 7.8 | 8.1 |
| 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) | 12.5 | 12.3 | 12.1 | 11.9 | 11.8 | 11.7 | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 |
| 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) | 9.5 | 9.9 | 8.8 | 9.9 | 10.7 | 10.9 | 10.9 | 11.1 | 11.4 | 10.6 | 10.7 | 10.1 |
| Precipitation (mm) | 258 | 143 | 299 | 159 | 11 | 1 | 0 | 0 | 4 | 158 | 131 | 144 |
| Sunny days | 3 | 4 | 3 | 11 | 18 | 29 | 31 | 29 | 24 | 16 | 12 | 8 |
| Rainy days | 28 | 24 | 28 | 19 | 13 | 1 | 0 | 2 | 6 | 15 | 18 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Alfonso is at