Average annual temperature is 17.4 °C
Absolute maximum temperature: 25.3 °C
Absolute minimum temperature: 6.3 °C
Number of sunny days: 24 days
Number of rainy days: 341 days
Look at detailed online map of San Sebastian
* Weather data for San Sebastian 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) | 22.1 | 23.6 | 23.4 | 23.0 | 23.1 | 22.3 | 22.7 | 24.7 | 25.1 | 25.3 | 24.4 | 24.5 |
| Average daytime temperature (°C) | 20.6 | 21.5 | 21.1 | 21.4 | 21.8 | 20.8 | 21.4 | 22.4 | 23.1 | 23.8 | 23.2 | 23.0 |
| Average temperature (°C) | 16.0 | 16.6 | 17.3 | 17.3 | 17.6 | 17.1 | 17.2 | 17.4 | 17.7 | 18.4 | 18.1 | 18.1 |
| Average night temperature (°C) | 11.3 | 11.9 | 14.4 | 13.7 | 13.7 | 13.8 | 13.4 | 12.7 | 12.5 | 13.5 | 13.6 | 13.5 |
| Absolute minimum temperature (°C) | 6.3 | 7.0 | 11.4 | 10.8 | 10.7 | 11.3 | 11.3 | 10.3 | 10.9 | 11.8 | 11.2 | 10.2 |
| 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 | 12.4 | 12.3 | 12.1 | 12.0 | 11.9 | 11.8 |
| 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) | 10.3 | 10.7 | 9.2 | 9.1 | 10.0 | 10.0 | 10.1 | 11.0 | 11.2 | 10.3 | 10.8 | 10.0 |
| Precipitation (mm) | 78 | 49 | 217 | 179 | 124 | 161 | 122 | 84 | 75 | 66 | 90 | 77 |
| Sunny days | 7 | 8 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 2 | 4 |
| Rainy days | 24 | 20 | 31 | 30 | 30 | 30 | 31 | 29 | 30 | 31 | 28 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Sebastian is at