Average annual temperature is 23.2 °C
Absolute maximum temperature: 44.7 °C
Absolute minimum temperature: 2.6 °C
Number of sunny days: 226 days
Number of rainy days: 139 days
Look at detailed online map of San Marcos
* Weather data for San Marcos Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 43.4 | 40.2 | 37.6 | 31.5 | 28.6 | 28.9 | 30.1 | 33.6 | 37.1 | 39.6 | 44.7 | 40.8 |
| Average daytime temperature (°C) | 36.6 | 33.9 | 33.8 | 26.1 | 23.6 | 21.4 | 21.7 | 26.2 | 27.8 | 31.3 | 32.6 | 32.4 |
| Average temperature (°C) | 30.6 | 27.7 | 28.6 | 21.3 | 18.9 | 16.4 | 16.5 | 19.5 | 21.3 | 24.4 | 26.1 | 27.0 |
| Average night temperature (°C) | 24.7 | 22.0 | 23.7 | 17.6 | 15.0 | 12.3 | 12.6 | 13.5 | 15.5 | 18.3 | 20.8 | 22.4 |
| Absolute minimum temperature (°C) | 19.1 | 11.4 | 19.9 | 12.4 | 9.0 | 2.6 | 4.6 | 7.1 | 8.7 | 10.7 | 9.6 | 16.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.7 | 13.1 | 12.3 | 11.4 | 10.7 | 10.4 | 10.6 | 11.1 | 11.9 | 12.8 | 13.5 | 13.9 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 11.8 | 10.9 | 10.3 | 7.7 | 6.8 | 7.7 | 7.1 | 10.2 | 9.6 | 8.8 | 9.3 | 9.6 |
| Precipitation (mm) | 118 | 51 | 46 | 101 | 48 | 12 | 21 | 0 | 4 | 24 | 71 | 245 |
| Sunny days | 18 | 16 | 20 | 16 | 18 | 19 | 24 | 30 | 24 | 19 | 12 | 10 |
| Rainy days | 13 | 12 | 11 | 14 | 13 | 11 | 7 | 1 | 6 | 12 | 18 | 21 |
| 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