Average annual temperature is 20.9 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 282 days
Number of rainy days: 83 days
Look at detailed online map of Santa Mercedes Alto
* Weather data for Santa Mercedes Alto 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 | 29.4 | 29.8 | 30.2 | 26.4 | 24.3 | 24.1 | 23.7 | 24.9 | 25.9 | 26.2 | 26.9 |
| Average daytime temperature (°C) | 26.1 | 27.6 | 28.6 | 28.1 | 24.6 | 23.1 | 22.7 | 22.5 | 22.7 | 23.3 | 23.7 | 24.9 |
| Average temperature (°C) | 22.1 | 24.0 | 24.5 | 24.3 | 20.8 | 19.1 | 18.7 | 18.6 | 18.7 | 19.6 | 19.9 | 21.2 |
| Average night temperature (°C) | 19.0 | 21.3 | 21.5 | 21.5 | 18.2 | 16.2 | 15.7 | 15.5 | 15.7 | 16.9 | 17.0 | 18.4 |
| Absolute minimum temperature (°C) | 17.8 | 20.4 | 20.1 | 19.8 | 16.1 | 15.0 | 14.3 | 14.1 | 14.6 | 15.5 | 15.0 | 16.8 |
| 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 | 11.4 | 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) | 11.3 | 10.4 | 10.6 | 10.6 | 9.6 | 9.9 | 9.7 | 9.8 | 10.2 | 10.8 | 11.2 | 11.4 |
| Precipitation (mm) | 6 | 12 | 15 | 0 | 2 | 3 | 3 | 5 | 3 | 2 | 0 | 4 |
| Sunny days | 28 | 21 | 24 | 29 | 21 | 20 | 20 | 19 | 22 | 26 | 28 | 24 |
| Rainy days | 3 | 7 | 7 | 1 | 10 | 10 | 11 | 12 | 8 | 5 | 2 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Santa Mercedes Alto is at