Average annual temperature is 20.9 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 13.2 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of San Martin de Porres
* Weather data for San Martin de Porres 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) | 28.2 | 24.1 | 26.4 | 25.1 | 26.6 | 25.7 | 27.7 | 29.6 | 30.7 | 31.5 | 31.8 | 28.8 |
| Average daytime temperature (°C) | 24.1 | 22.8 | 23.2 | 22.7 | 23.7 | 23.2 | 24.9 | 26.3 | 27.4 | 27.8 | 27.7 | 25.2 |
| Average temperature (°C) | 20.1 | 19.5 | 19.9 | 19.4 | 20.0 | 19.2 | 20.5 | 21.7 | 22.6 | 23.0 | 22.9 | 21.5 |
| Average night temperature (°C) | 16.7 | 16.3 | 16.5 | 16.0 | 16.3 | 15.2 | 16.1 | 17.0 | 17.5 | 18.6 | 18.5 | 18.2 |
| Absolute minimum temperature (°C) | 14.2 | 14.8 | 14.8 | 14.3 | 14.4 | 13.2 | 14.2 | 13.7 | 16.0 | 16.6 | 15.7 | 16.4 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 12.4 | 12.5 |
| 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) | 9.4 | 9.1 | 8.6 | 9.1 | 10.4 | 10.8 | 10.8 | 10.9 | 11.1 | 10.7 | 10.5 | 9.4 |
| Precipitation (mm) | 96 | 53 | 121 | 40 | 18 | 2 | 2 | 3 | 7 | 36 | 6 | 72 |
| Sunny days | 14 | 9 | 9 | 11 | 15 | 23 | 23 | 22 | 23 | 15 | 17 | 11 |
| Rainy days | 17 | 19 | 22 | 19 | 16 | 7 | 8 | 9 | 7 | 16 | 13 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Martin de Porres is at