Average annual temperature is 5.8 °C
Absolute maximum temperature: 28.8 °C
Absolute minimum temperature: -14.7 °C
Number of sunny days: 183 days
Number of rainy days: 157 days
Number of snow days: 25 days
Look at detailed online map of Lago San Martín
* Weather data for Lago 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) | 28.8 | 23.3 | 16.2 | 15.1 | 13.9 | 8.4 | 6.2 | 7.8 | 11.2 | 17.8 | 20.9 | 23.4 |
| Average daytime temperature (°C) | 19.1 | 16.4 | 12.1 | 10.4 | 7.6 | 3.2 | 0.5 | 3.5 | 5.7 | 9.7 | 11.5 | 16.5 |
| Average temperature (°C) | 14.6 | 12.3 | 8.3 | 7.1 | 4.8 | 0.3 | -3.8 | 0.4 | 1.4 | 5.6 | 7.2 | 11.4 |
| Average night temperature (°C) | 10.6 | 8.7 | 4.9 | 4.1 | 2.0 | -2.9 | -7.9 | -2.8 | -2.2 | 2.0 | 3.4 | 6.5 |
| Absolute minimum temperature (°C) | 7.2 | 2.2 | -3.8 | -1.5 | -7.8 | -7.9 | -14.1 | -14.7 | -6.7 | -3.6 | -0.5 | 1.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 16.0 | 14.0 | 13.0 | 11.0 | 9.0 | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 |
| Daylight mean duration (h) | 15.7 | 14.2 | 12.4 | 10.6 | 9.1 | 8.3 | 8.7 | 10.0 | 11.7 | 13.6 | 15.2 | 16.1 |
| Daylight minimum duration (h) | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 |
| Sunshine mean duration (h) | 13.0 | 12.0 | 9.4 | 8.5 | 6.2 | 5.4 | 6.0 | 7.0 | 9.2 | 11.8 | 13.0 | 13.9 |
| Precipitation (mm) | 10 | 30 | 89 | 64 | 50 | 56 | 74 | 47 | 20 | 39 | 27 | 18 |
| Sunny days | 18 | 16 | 13 | 12 | 10 | 15 | 17 | 8 | 16 | 20 | 17 | 21 |
| Rainy days | 13 | 12 | 17 | 18 | 18 | 11 | 8 | 18 | 10 | 9 | 13 | 10 |
| Snow days | 0 | 0 | 1 | 0 | 3 | 4 | 6 | 5 | 4 | 2 | 0 | 0 |
The best time to visit Lago San Martín during the most sunny months:
Months with the longest average daylight duration in Lago San Martín:
The largest precipitation sum in Lago San Martín is at