Average annual temperature is 23.1 °C
Absolute maximum temperature: 44.3 °C
Absolute minimum temperature: 3.7 °C
Number of sunny days: 235 days
Number of rainy days: 130 days
Look at detailed online map of Departamento de San Martín
* Weather data for Departamento 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) | 43.0 | 39.6 | 36.9 | 31.3 | 28.3 | 28.8 | 30.4 | 33.9 | 37.1 | 38.6 | 44.3 | 40.5 |
| Average daytime temperature (°C) | 36.3 | 33.8 | 33.5 | 26.1 | 23.7 | 21.3 | 21.8 | 26.3 | 27.7 | 30.9 | 32.0 | 32.4 |
| Average temperature (°C) | 30.1 | 27.5 | 28.2 | 21.4 | 19.0 | 16.5 | 16.7 | 19.7 | 21.3 | 24.2 | 25.9 | 26.8 |
| Average night temperature (°C) | 24.5 | 22.1 | 23.5 | 17.8 | 15.3 | 12.7 | 13.0 | 14.0 | 15.8 | 18.5 | 20.9 | 22.5 |
| Absolute minimum temperature (°C) | 19.4 | 11.7 | 19.9 | 12.5 | 9.8 | 3.7 | 5.0 | 8.1 | 10.3 | 11.3 | 11.4 | 16.0 |
| 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 | 10.5 | 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) | 11.7 | 10.9 | 10.3 | 7.8 | 7.1 | 7.8 | 7.1 | 10.2 | 9.5 | 8.9 | 9.6 | 9.4 |
| Precipitation (mm) | 136 | 45 | 39 | 130 | 37 | 4 | 12 | 0 | 5 | 19 | 61 | 225 |
| Sunny days | 18 | 17 | 21 | 16 | 19 | 20 | 27 | 30 | 25 | 19 | 14 | 9 |
| Rainy days | 13 | 11 | 10 | 14 | 12 | 10 | 4 | 1 | 5 | 12 | 16 | 22 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Departamento de San Martín during the most sunny months:
The largest precipitation sum in Departamento de San Martín is at