Average annual temperature is 26.1 °C
Absolute maximum temperature: 43.4 °C
Absolute minimum temperature: 8.7 °C
Number of sunny days: 157 days
Number of rainy days: 208 days
Look at detailed online map of San Marcos
* Weather data for San Marcos Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.2 | 39.3 | 42.8 | 37.6 | 37.8 | 43.4 | 39.1 | 41.0 | 38.8 | 38.6 | 32.8 | 32.5 |
| Average daytime temperature (°C) | 29.3 | 29.3 | 33.0 | 32.3 | 34.7 | 38.4 | 36.7 | 37.4 | 37.2 | 31.9 | 27.0 | 25.1 |
| Average temperature (°C) | 22.4 | 21.7 | 25.1 | 25.8 | 28.2 | 31.3 | 30.0 | 30.4 | 30.3 | 26.1 | 21.6 | 20.2 |
| Average night temperature (°C) | 17.8 | 16.6 | 20.0 | 21.4 | 23.2 | 26.0 | 24.8 | 25.2 | 25.0 | 22.0 | 17.9 | 16.8 |
| Absolute minimum temperature (°C) | 9.3 | 8.7 | 9.7 | 15.5 | 19.2 | 22.7 | 22.3 | 22.7 | 22.6 | 11.7 | 12.6 | 12.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.4 | 9.1 | 9.6 | 9.7 | 11.1 | 12.2 | 12.0 | 11.3 | 11.2 | 8.7 | 7.4 | 6.2 |
| Precipitation (mm) | 7 | 10 | 33 | 125 | 135 | 48 | 72 | 109 | 77 | 172 | 24 | 39 |
| Sunny days | 22 | 21 | 16 | 10 | 10 | 13 | 2 | 5 | 7 | 13 | 20 | 18 |
| Rainy days | 9 | 7 | 15 | 20 | 21 | 17 | 29 | 26 | 23 | 18 | 10 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Marcos during the most sunny months:
The largest precipitation sum in San Marcos is at