Average annual temperature is 11.8 °C
Absolute maximum temperature: 41.3 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 272 days
Number of rainy days: 67 days
Number of snow days: 26 days
Look at detailed online map of Callao
* Weather data for Callao United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 10.5 | 11.3 | 13.9 | 29.8 | 30.0 | 32.1 | 41.3 | 37.1 | 35.0 | 27.0 | 21.6 | 12.8 |
| Average daytime temperature (°C) | 3.5 | 3.8 | 8.3 | 18.0 | 24.4 | 27.5 | 36.4 | 32.2 | 27.6 | 18.1 | 9.3 | 4.2 |
| Average temperature (°C) | -0.7 | -2.0 | 2.7 | 10.3 | 18.0 | 21.0 | 29.4 | 25.3 | 20.2 | 12.0 | 4.3 | -0.2 |
| Average night temperature (°C) | -3.9 | -6.2 | -1.5 | 4.1 | 11.4 | 14.5 | 21.7 | 18.7 | 13.7 | 6.4 | -0.1 | -4.0 |
| Absolute minimum temperature (°C) | -14.4 | -13.3 | -7.1 | -10.0 | 4.1 | 9.6 | 18.3 | 14.5 | 7.3 | -6.9 | -9.5 | -8.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.9 | 8.2 | 8.3 | 11.2 | 12.3 | 12.8 | 13.1 | 11.7 | 10.9 | 9.9 | 7.6 | 6.8 |
| Precipitation (mm) | 46 | 12 | 48 | 13 | 5 | 1 | 0 | 34 | 9 | 7 | 9 | 1 |
| Sunny days | 11 | 22 | 12 | 26 | 24 | 26 | 29 | 24 | 26 | 27 | 22 | 23 |
| Rainy days | 10 | 1 | 14 | 3 | 7 | 4 | 2 | 7 | 4 | 4 | 6 | 5 |
| Snow days | 10 | 5 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Callao during the most sunny months:
The largest precipitation sum in Callao is at