Average annual temperature is 21.7 °C
Absolute maximum temperature: 29.8 °C
Absolute minimum temperature: 15.6 °C
Number of sunny days: 38 days
Number of rainy days: 327 days
Look at detailed online map of San Luis
* Weather data for San Luis 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) | 26.9 | 27.2 | 26.7 | 27.5 | 28.3 | 27.8 | 28.6 | 29.0 | 29.8 | 28.5 | 27.6 | 28.7 |
| Average daytime temperature (°C) | 24.6 | 25.9 | 24.6 | 25.1 | 26.1 | 25.8 | 26.5 | 26.9 | 27.7 | 26.2 | 25.9 | 26.2 |
| Average temperature (°C) | 20.3 | 21.3 | 20.8 | 21.2 | 22.1 | 22.0 | 22.2 | 22.2 | 22.7 | 21.8 | 21.7 | 22.0 |
| Average night temperature (°C) | 17.1 | 17.7 | 17.9 | 18.0 | 18.8 | 18.4 | 18.5 | 18.3 | 18.6 | 18.6 | 18.6 | 18.9 |
| Absolute minimum temperature (°C) | 15.6 | 16.0 | 16.5 | 16.9 | 17.6 | 17.7 | 16.9 | 16.9 | 17.3 | 16.7 | 17.5 | 17.6 |
| 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 | 12.2 | 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) | 10.0 | 9.9 | 8.5 | 8.5 | 8.4 | 9.9 | 10.0 | 9.7 | 10.2 | 8.8 | 9.1 | 8.7 |
| Precipitation (mm) | 211 | 137 | 264 | 112 | 168 | 62 | 165 | 171 | 135 | 348 | 311 | 251 |
| Sunny days | 2 | 0 | 0 | 3 | 5 | 8 | 5 | 7 | 4 | 1 | 3 | 0 |
| Rainy days | 29 | 28 | 31 | 27 | 26 | 22 | 26 | 24 | 26 | 30 | 27 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Luis is at