Average annual temperature is 21.8 °C
Absolute maximum temperature: 35.6 °C
Absolute minimum temperature: 11.1 °C
Number of sunny days: 322 days
Number of rainy days: 43 days
Look at detailed online map of Alto Callao
* Weather data for Alto Callao 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) | 35.0 | 35.0 | 35.6 | 35.0 | 31.6 | 28.4 | 28.1 | 30.3 | 32.1 | 35.4 | 32.0 | 32.6 |
| Average daytime temperature (°C) | 32.2 | 32.4 | 32.1 | 32.1 | 28.0 | 26.1 | 25.6 | 26.8 | 27.4 | 29.6 | 29.7 | 30.7 |
| Average temperature (°C) | 25.3 | 25.8 | 25.6 | 24.9 | 20.2 | 18.0 | 17.7 | 18.3 | 19.2 | 21.7 | 21.9 | 23.7 |
| Average night temperature (°C) | 20.1 | 21.3 | 21.1 | 19.8 | 15.1 | 12.9 | 12.5 | 12.7 | 13.4 | 15.9 | 15.8 | 18.0 |
| Absolute minimum temperature (°C) | 18.2 | 19.8 | 19.0 | 17.8 | 13.7 | 11.8 | 11.4 | 11.1 | 11.5 | 14.4 | 13.5 | 16.2 |
| 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 | 12.6 | 12.2 | 11.8 | 11.5 | 11.3 | 11.4 | 11.7 | 12.0 | 12.4 | 12.8 | 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) | 10.8 | 9.1 | 9.7 | 10.3 | 10.0 | 9.9 | 10.1 | 10.4 | 10.9 | 11.3 | 11.5 | 11.6 |
| Precipitation (mm) | 4 | 37 | 37 | 12 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |
| Sunny days | 27 | 14 | 18 | 24 | 29 | 30 | 31 | 31 | 30 | 28 | 29 | 31 |
| Rainy days | 4 | 14 | 13 | 6 | 2 | 0 | 0 | 0 | 0 | 3 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alto Callao is at