Average annual temperature is 23.6 °C
Absolute maximum temperature: 42.1 °C
Absolute minimum temperature: 4.2 °C
Number of sunny days: 192 days
Number of rainy days: 173 days
Look at detailed online map of General José de San Martín
* Weather data for General José de San Martín 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) | 40.2 | 40.3 | 38.3 | 34.6 | 29.0 | 29.3 | 30.7 | 35.5 | 37.7 | 42.1 | 40.4 | 38.8 |
| Average daytime temperature (°C) | 35.3 | 33.9 | 33.0 | 27.0 | 23.4 | 22.9 | 22.7 | 27.9 | 26.8 | 30.3 | 30.5 | 31.5 |
| Average temperature (°C) | 29.3 | 28.3 | 27.7 | 22.0 | 19.0 | 18.6 | 18.1 | 21.5 | 21.6 | 24.2 | 25.9 | 27.0 |
| Average night temperature (°C) | 23.7 | 22.9 | 23.2 | 17.7 | 15.5 | 15.5 | 14.6 | 16.6 | 17.5 | 19.4 | 22.0 | 23.3 |
| Absolute minimum temperature (°C) | 16.3 | 13.4 | 18.9 | 11.4 | 8.8 | 5.1 | 4.2 | 9.0 | 7.6 | 11.2 | 11.0 | 18.5 |
| 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) | 13.6 | 13.0 | 12.2 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| 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) | 11.2 | 11.1 | 9.9 | 8.6 | 6.6 | 7.3 | 7.4 | 9.2 | 8.4 | 9.4 | 10.0 | 10.0 |
| Precipitation (mm) | 73 | 26 | 159 | 55 | 137 | 27 | 36 | 74 | 110 | 180 | 220 | 289 |
| Sunny days | 20 | 12 | 11 | 19 | 16 | 18 | 21 | 26 | 18 | 13 | 9 | 9 |
| Rainy days | 11 | 16 | 20 | 11 | 15 | 12 | 10 | 5 | 12 | 18 | 21 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in General José de San Martín is at