Average annual temperature is 26.4 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 30 days
Number of rainy days: 335 days
Look at detailed online map of San Martín
* Weather data for San Martín 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) | 31.0 | 31.6 | 32.6 | 33.2 | 35.0 | 35.3 | 35.1 | 35.9 | 35.6 | 34.5 | 34.4 | 33.2 |
| Average daytime temperature (°C) | 29.1 | 29.6 | 30.6 | 31.4 | 32.5 | 32.4 | 32.6 | 33.3 | 33.6 | 32.5 | 32.0 | 31.4 |
| Average temperature (°C) | 24.3 | 24.7 | 25.3 | 25.7 | 27.4 | 27.2 | 27.3 | 27.6 | 27.8 | 27.0 | 26.8 | 26.2 |
| Average night temperature (°C) | 20.6 | 21.3 | 22.0 | 22.2 | 23.6 | 23.4 | 23.2 | 23.4 | 23.5 | 23.4 | 23.1 | 22.6 |
| Absolute minimum temperature (°C) | 18.9 | 18.2 | 21.0 | 21.0 | 22.5 | 21.9 | 22.5 | 22.3 | 22.8 | 22.5 | 22.1 | 21.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 10.0 | 9.7 | 9.4 | 9.3 | 9.6 | 10.6 | 11.0 | 10.4 | 10.4 | 9.2 | 9.9 | 9.9 |
| Precipitation (mm) | 167 | 113 | 234 | 345 | 221 | 237 | 225 | 438 | 287 | 517 | 304 | 214 |
| Sunny days | 3 | 2 | 0 | 0 | 7 | 3 | 5 | 3 | 4 | 1 | 1 | 1 |
| Rainy days | 28 | 26 | 31 | 30 | 24 | 27 | 26 | 28 | 26 | 30 | 29 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Martín is at