Average annual temperature is 17.8 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 208 days
Number of rainy days: 157 days
Look at detailed online map of San Justo
* Weather data for San Justo 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) | 37.1 | 38.8 | 39.3 | 28.7 | 24.6 | 24.4 | 26.9 | 27.0 | 24.4 | 28.5 | 31.1 | 32.4 |
| Average daytime temperature (°C) | 31.7 | 30.6 | 30.6 | 22.6 | 19.5 | 16.0 | 15.6 | 17.2 | 17.7 | 22.1 | 24.8 | 26.6 |
| Average temperature (°C) | 25.8 | 24.5 | 25.5 | 17.4 | 14.6 | 11.2 | 11.4 | 12.2 | 13.5 | 16.7 | 19.6 | 22.0 |
| Average night temperature (°C) | 20.7 | 18.7 | 21.2 | 13.0 | 10.6 | 7.0 | 7.8 | 8.2 | 9.5 | 11.8 | 14.5 | 17.4 |
| Absolute minimum temperature (°C) | 14.7 | 9.0 | 12.6 | 5.4 | 2.0 | -0.8 | -2.1 | 1.4 | 4.6 | 3.8 | 7.1 | 11.0 |
| 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 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.3 | 12.3 | 11.2 | 10.3 | 9.9 | 10.1 | 10.9 | 11.9 | 13.0 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.5 | 11.0 | 10.3 | 8.5 | 7.1 | 6.7 | 7.0 | 8.1 | 7.1 | 10.2 | 11.2 | 10.9 |
| Precipitation (mm) | 40 | 36 | 108 | 77 | 121 | 19 | 54 | 50 | 39 | 57 | 140 | 136 |
| Sunny days | 19 | 16 | 18 | 16 | 18 | 18 | 19 | 20 | 17 | 19 | 15 | 13 |
| Rainy days | 12 | 12 | 13 | 14 | 13 | 12 | 12 | 11 | 13 | 12 | 15 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Justo during the most sunny months:
The largest precipitation sum in San Justo is at