Average annual temperature is 19.5 °C
Absolute maximum temperature: 40.0 °C
Absolute minimum temperature: 3.0 °C
Number of sunny days: 182 days
Number of rainy days: 183 days
Look at detailed online map of San Marcos
* Weather data for San Marcos Bolivia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 32.5 | 32.4 | 31.6 | 32.8 | 32.6 | 31.1 | 32.7 | 34.1 | 38.3 | 39.2 | 40.0 | 34.3 |
| Average daytime temperature (°C) | 27.9 | 25.9 | 26.5 | 27.1 | 28.0 | 26.8 | 28.1 | 30.1 | 32.3 | 33.1 | 33.1 | 29.7 |
| Average temperature (°C) | 19.9 | 18.9 | 18.9 | 18.5 | 18.2 | 15.6 | 16.8 | 18.4 | 21.2 | 22.5 | 23.0 | 21.6 |
| Average night temperature (°C) | 13.7 | 14.0 | 13.6 | 12.5 | 11.4 | 7.8 | 9.0 | 9.9 | 12.4 | 14.5 | 15.3 | 15.8 |
| Absolute minimum temperature (°C) | 9.7 | 10.6 | 11.0 | 9.1 | 8.7 | 3.0 | 6.2 | 6.3 | 8.8 | 11.5 | 11.8 | 12.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.1 | 12.7 | 12.2 | 11.7 | 11.2 | 11.0 | 11.1 | 11.5 | 12.0 | 12.5 | 13.0 | 13.2 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 |
| Sunshine mean duration (h) | 10.7 | 9.1 | 9.8 | 10.5 | 9.7 | 10.1 | 9.9 | 10.1 | 10.6 | 11.2 | 11.0 | 9.9 |
| Precipitation (mm) | 141 | 142 | 195 | 24 | 21 | 0 | 1 | 16 | 8 | 30 | 58 | 152 |
| Sunny days | 8 | 2 | 2 | 16 | 20 | 27 | 27 | 25 | 24 | 16 | 12 | 3 |
| Rainy days | 23 | 26 | 29 | 14 | 11 | 3 | 4 | 6 | 6 | 15 | 18 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Marcos is at