Average annual temperature is 23.7 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 268 days
Number of rainy days: 97 days
Look at detailed online map of San Marcos Numero Uno
* Weather data for San Marcos Numero Uno 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) | 34.0 | 33.9 | 34.1 | 32.8 | 32.6 | 31.3 | 30.2 | 29.0 | 29.3 | 29.4 | 29.1 | 30.7 |
| Average daytime temperature (°C) | 29.9 | 32.0 | 31.0 | 31.0 | 30.7 | 28.9 | 28.3 | 27.9 | 27.9 | 28.0 | 27.6 | 28.5 |
| Average temperature (°C) | 23.7 | 26.1 | 25.8 | 26.2 | 25.1 | 23.3 | 22.7 | 22.2 | 21.9 | 22.2 | 21.9 | 23.2 |
| Average night temperature (°C) | 19.6 | 22.3 | 22.3 | 22.9 | 21.4 | 19.8 | 18.9 | 18.4 | 17.8 | 18.4 | 17.9 | 19.7 |
| Absolute minimum temperature (°C) | 17.9 | 20.9 | 20.8 | 22.1 | 20.4 | 18.1 | 18.0 | 17.5 | 16.6 | 17.0 | 16.2 | 18.1 |
| 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 | 12.0 | 11.8 | 11.7 | 11.8 | 11.9 | 12.1 | 12.3 | 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) | 10.3 | 9.7 | 9.2 | 9.5 | 10.8 | 10.7 | 10.8 | 10.8 | 10.9 | 10.5 | 10.8 | 10.4 |
| Precipitation (mm) | 23 | 41 | 415 | 99 | 1 | 0 | 0 | 1 | 0 | 6 | 12 | 18 |
| Sunny days | 21 | 14 | 11 | 8 | 29 | 29 | 30 | 29 | 30 | 22 | 26 | 19 |
| Rainy days | 10 | 14 | 20 | 22 | 2 | 1 | 1 | 2 | 0 | 9 | 4 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Marcos Numero Uno is at