Average annual temperature is 21.0 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: 14.5 °C
Number of sunny days: 306 days
Number of rainy days: 59 days
Look at detailed online map of Callao
* Weather data for 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) | 27.3 | 29.5 | 29.7 | 29.4 | 25.8 | 24.2 | 23.5 | 23.7 | 23.5 | 26.5 | 25.0 | 26.6 |
| Average daytime temperature (°C) | 25.4 | 27.0 | 27.5 | 28.0 | 24.2 | 22.8 | 22.6 | 22.6 | 21.9 | 22.4 | 23.2 | 24.7 |
| Average temperature (°C) | 22.2 | 24.1 | 24.4 | 24.6 | 20.9 | 19.3 | 19.0 | 18.9 | 18.5 | 19.2 | 19.8 | 21.3 |
| Average night temperature (°C) | 19.0 | 21.2 | 21.4 | 21.6 | 18.4 | 16.5 | 16.1 | 16.1 | 15.8 | 16.6 | 16.9 | 18.5 |
| Absolute minimum temperature (°C) | 17.3 | 20.1 | 20.1 | 20.1 | 16.6 | 14.7 | 14.9 | 14.5 | 14.7 | 15.4 | 15.0 | 17.0 |
| 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) | 12.7 | 12.5 | 12.2 | 11.8 | 11.6 | 11.4 | 11.5 | 11.7 | 12.0 | 12.4 | 12.7 | 12.8 |
| 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) | 10.9 | 10.1 | 10.6 | 10.6 | 9.9 | 10.2 | 10.4 | 10.3 | 10.3 | 10.2 | 11.1 | 11.5 |
| Precipitation (mm) | 6 | 17 | 18 | 0 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 6 |
| Sunny days | 22 | 19 | 20 | 30 | 28 | 30 | 30 | 29 | 21 | 24 | 27 | 26 |
| Rainy days | 9 | 9 | 11 | 0 | 3 | 0 | 1 | 2 | 9 | 7 | 3 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Callao is at