Average annual temperature is 15.8 °C
Absolute maximum temperature: 24.5 °C
Absolute minimum temperature: 9.8 °C
Number of sunny days: 30 days
Number of rainy days: 335 days
Look at detailed online map of Alto San Juan
* Weather data for Alto San Juan Colombia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.3 | 20.3 | 20.1 | 20.7 | 21.8 | 21.5 | 22.5 | 24.5 | 23.9 | 22.0 | 21.4 | 21.5 |
| Average daytime temperature (°C) | 17.4 | 18.7 | 18.0 | 18.6 | 19.9 | 20.1 | 21.0 | 21.9 | 22.0 | 20.1 | 19.4 | 19.5 |
| Average temperature (°C) | 14.0 | 14.8 | 14.6 | 15.1 | 16.2 | 16.0 | 16.5 | 17.0 | 17.1 | 16.1 | 15.7 | 15.8 |
| Average night temperature (°C) | 11.2 | 12.0 | 11.9 | 12.1 | 13.1 | 12.7 | 13.0 | 13.3 | 13.1 | 13.0 | 12.8 | 12.8 |
| Absolute minimum temperature (°C) | 10.2 | 10.0 | 9.8 | 11.0 | 11.4 | 10.4 | 11.5 | 11.9 | 12.3 | 11.6 | 11.4 | 11.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.9 | 12.0 | 12.1 | 12.2 | 12.3 | 12.4 | 12.3 | 12.3 | 12.1 | 12.0 | 11.9 | 11.9 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.2 | 9.7 | 8.3 | 9.0 | 9.8 | 10.8 | 11.0 | 10.6 | 11.2 | 9.3 | 9.4 | 9.3 |
| Precipitation (mm) | 133 | 97 | 284 | 353 | 85 | 53 | 45 | 69 | 182 | 225 | 276 | 194 |
| Sunny days | 1 | 1 | 0 | 1 | 1 | 5 | 9 | 8 | 4 | 0 | 0 | 0 |
| Rainy days | 30 | 27 | 31 | 29 | 30 | 25 | 22 | 23 | 26 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alto San Juan is at