Average annual temperature is 13.8 °C
Absolute maximum temperature: 22.4 °C
Absolute minimum temperature: 6.6 °C
Number of sunny days: 64 days
Number of rainy days: 301 days
Look at detailed online map of San Juan de Olto
* Weather data for San Juan de Olto 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) | 20.7 | 18.3 | 19.8 | 19.4 | 20.2 | 20.2 | 20.7 | 22.4 | 21.9 | 21.6 | 21.9 | 20.6 |
| Average daytime temperature (°C) | 17.7 | 17.1 | 17.9 | 17.9 | 18.3 | 18.2 | 19.0 | 19.9 | 20.5 | 19.8 | 19.6 | 18.8 |
| Average temperature (°C) | 13.2 | 13.3 | 13.5 | 13.4 | 13.7 | 12.8 | 13.2 | 13.8 | 14.5 | 14.4 | 14.7 | 14.4 |
| Average night temperature (°C) | 9.6 | 10.5 | 9.8 | 9.9 | 10.4 | 8.6 | 8.9 | 8.6 | 9.7 | 10.2 | 10.5 | 11.1 |
| Absolute minimum temperature (°C) | 7.3 | 8.5 | 7.3 | 8.3 | 8.1 | 6.6 | 6.6 | 7.0 | 7.8 | 8.5 | 8.7 | 7.6 |
| 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) | 12.4 | 12.3 | 12.1 | 12.0 | 11.8 | 11.8 | 11.8 | 11.9 | 12.1 | 12.2 | 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) | 9.5 | 9.1 | 8.9 | 9.4 | 10.5 | 10.7 | 10.7 | 10.8 | 11.0 | 10.5 | 10.4 | 9.4 |
| Precipitation (mm) | 99 | 126 | 187 | 79 | 39 | 11 | 16 | 10 | 29 | 74 | 59 | 135 |
| Sunny days | 3 | 0 | 2 | 1 | 5 | 18 | 10 | 13 | 5 | 2 | 5 | 0 |
| Rainy days | 28 | 28 | 29 | 29 | 26 | 12 | 21 | 18 | 25 | 29 | 25 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan de Olto is at