Average annual temperature is 24.8 °C
Absolute maximum temperature: 43.3 °C
Absolute minimum temperature: 3.9 °C
Number of sunny days: 231 days
Number of rainy days: 134 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) | 32.6 | 37.2 | 40.8 | 36.5 | 36.8 | 43.3 | 42.0 | 41.9 | 41.2 | 37.9 | 32.0 | 29.4 |
| Average daytime temperature (°C) | 26.8 | 28.0 | 32.1 | 29.0 | 31.4 | 37.6 | 39.0 | 39.1 | 37.5 | 30.1 | 23.5 | 22.6 |
| Average temperature (°C) | 19.8 | 19.6 | 23.7 | 23.0 | 25.7 | 30.8 | 31.8 | 31.7 | 30.7 | 24.5 | 18.6 | 17.4 |
| Average night temperature (°C) | 14.6 | 13.8 | 18.0 | 18.8 | 21.5 | 24.8 | 25.6 | 25.7 | 25.1 | 20.4 | 15.1 | 13.7 |
| Absolute minimum temperature (°C) | 7.6 | 3.9 | 7.1 | 12.4 | 18.5 | 20.5 | 24.1 | 23.4 | 21.9 | 8.7 | 8.1 | 6.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.8 | 11.3 | 12.0 | 12.7 | 13.4 | 13.7 | 13.5 | 13.0 | 12.3 | 11.6 | 10.9 | 10.6 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.9 | 9.6 | 8.8 | 8.5 | 9.9 | 12.1 | 12.4 | 11.5 | 11.0 | 8.2 | 6.1 | 6.4 |
| Precipitation (mm) | 4 | 1 | 44 | 79 | 181 | 32 | 31 | 29 | 42 | 55 | 91 | 13 |
| Sunny days | 27 | 24 | 21 | 9 | 8 | 20 | 21 | 17 | 25 | 18 | 19 | 22 |
| Rainy days | 4 | 4 | 10 | 21 | 23 | 10 | 10 | 14 | 5 | 13 | 11 | 9 |
| 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