Average annual temperature is 11.2 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -6.5 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of San Juan Province
* Weather data for San Juan Province 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) | 23.5 | 26.4 | 25.5 | 24.1 | 22.7 | 22.4 | 25.3 | 26.0 | 25.6 | 22.9 | 26.8 | 30.8 |
| Average daytime temperature (°C) | 19.7 | 20.2 | 19.9 | 15.6 | 14.8 | 14.1 | 13.9 | 14.8 | 15.0 | 16.1 | 19.1 | 21.0 |
| Average temperature (°C) | 15.0 | 15.1 | 15.1 | 10.3 | 8.8 | 7.9 | 7.3 | 8.6 | 8.2 | 9.9 | 12.9 | 15.3 |
| Average night temperature (°C) | 9.7 | 9.4 | 10.2 | 5.9 | 4.1 | 2.0 | 1.5 | 2.3 | 1.6 | 4.1 | 6.6 | 9.4 |
| Absolute minimum temperature (°C) | 5.0 | 0.0 | 3.8 | -1.3 | -1.4 | -6.5 | -5.5 | -3.0 | -4.9 | -2.1 | -3.0 | 2.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 |
| Daylight mean duration (h) | 13.9 | 13.2 | 12.3 | 11.3 | 10.5 | 10.2 | 10.3 | 11.0 | 11.9 | 12.9 | 13.7 | 14.1 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 12.5 | 11.6 | 11.0 | 10.0 | 9.4 | 9.1 | 9.3 | 10.1 | 10.8 | 11.9 | 12.7 | 12.9 |
| Precipitation (mm) | 59 | 36 | 62 | 22 | 1 | 0 | 0 | 1 | 7 | 24 | 27 | 21 |
| Sunny days | 4 | 14 | 10 | 17 | 29 | 30 | 30 | 27 | 23 | 20 | 18 | 12 |
| Rainy days | 27 | 14 | 21 | 13 | 2 | 0 | 1 | 4 | 7 | 11 | 12 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Juan Province is at