Average annual temperature is 18.3 °C
Absolute maximum temperature: 44.7 °C
Absolute minimum temperature: -1.7 °C
Number of sunny days: 301
Number of rainy days: 64
Number of snow days:
Average annual precipitation: 128 mm
Look at detailed online map of San Martín
* Weather data for San Martín Argentina is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.4 | 38.1 | 36.4 | 30 | 25.6 | 21.1 | 23.1 | 28.2 | 28.7 | 33.2 | 36.7 | 44.7 |
| Average daytime temperature (°C) | 32.5 | 31.8 | 29.2 | 24 | 20 | 14.6 | 15.3 | 19.2 | 20.8 | 26.1 | 30 | 31.9 |
| Average temperature (°C) | 26.5 | 25.2 | 23.7 | 18.1 | 13.8 | 9.2 | 9.1 | 12.3 | 14.6 | 19.3 | 23.1 | 25.5 |
| Average night temperature (°C) | 20.8 | 19.1 | 18.8 | 12.9 | 8.5 | 4.6 | 4 | 6.5 | 8.8 | 12.6 | 16.2 | 19.5 |
| Absolute minimum temperature (°C) | 16.3 | 10 | 9.7 | 5.8 | 1.9 | -1.7 | -0.8 | 2.9 | 4.2 | 6.9 | 5.8 | 12.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.3 | 13.7 | 12.8 | 11.7 | 10.8 | 10.1 | 10.5 | 11.4 | 12.4 | 13.4 | 14.2 | 14.3 |
| Daylight mean duration (h) | 14.1 | 13.3 | 12.3 | 11.3 | 10.4 | 10 | 10.2 | 10.9 | 11.9 | 12.9 | 13.8 | 14.3 |
| Daylight minimum duration (h) | 13.7 | 12.8 | 11.8 | 10.8 | 10.1 | 10 | 10 | 10.5 | 11.4 | 12.4 | 13.4 | 14.2 |
| Sunshine mean duration (h) | 12 | 11.7 | 8.9 | 9.1 | 8.5 | 7.8 | 8.4 | 9.3 | 9.8 | 11.4 | 12.3 | 12.4 |
| Precipitation (mm) | 42 | 6 | 43 | 6 | 1 | 0 | 0 | 4 | 2 | 5 | 1 | 17 |
| Sunny days | 14 | 26 | 19 | 26 | 28 | 27 | 29 | 30 | 26 | 27 | 29 | 20 |
| Rainy days | 17 | 2 | 12 | 4 | 3 | 3 | 2 | 1 | 4 | 4 | 1 | 11 |
The largest precipitation sum in San Martín is at