Average annual temperature is 4.6 °C
Absolute maximum temperature: 21.5 °C
Absolute minimum temperature: -8.3 °C
Number of sunny days: 101 days
Number of rainy days: 244 days
Number of snow days: 20 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) | 21.5 | 20.9 | 13.3 | 15.2 | 12.6 | 7.5 | 6.0 | 6.8 | 12.6 | 15.2 | 13.7 | 19.5 |
| Average daytime temperature (°C) | 13.9 | 12.7 | 9.3 | 7.4 | 6.5 | 3.2 | 1.7 | 3.4 | 5.6 | 8.5 | 9.9 | 12.3 |
| Average temperature (°C) | 10.3 | 9.0 | 5.7 | 4.3 | 3.8 | 1.0 | -1.0 | 1.0 | 1.8 | 5.2 | 6.3 | 8.4 |
| Average night temperature (°C) | 6.8 | 5.9 | 2.8 | 1.5 | 1.5 | -1.6 | -3.3 | -1.2 | -1.3 | 2.2 | 2.8 | 4.8 |
| Absolute minimum temperature (°C) | 3.0 | 1.3 | -2.3 | -3.1 | -3.7 | -7.1 | -8.3 | -4.8 | -5.0 | -3.7 | -1.5 | 1.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 17.0 | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 | 17.0 |
| Daylight mean duration (h) | 16.4 | 14.6 | 12.5 | 10.3 | 8.5 | 7.5 | 7.9 | 9.6 | 11.7 | 13.9 | 15.9 | 17.0 |
| Daylight minimum duration (h) | 15.0 | 13.0 | 11.0 | 9.0 | 7.0 | 7.0 | 7.0 | 8.0 | 10.0 | 12.0 | 14.0 | 16.0 |
| Sunshine mean duration (h) | 10.0 | 9.2 | 7.4 | 5.8 | 3.7 | 3.5 | 4.0 | 4.8 | 7.9 | 9.2 | 10.0 | 12.5 |
| Precipitation (mm) | 51 | 75 | 79 | 57 | 56 | 25 | 33 | 50 | 22 | 30 | 58 | 27 |
| Sunny days | 6 | 0 | 4 | 9 | 8 | 9 | 16 | 7 | 15 | 9 | 7 | 11 |
| Rainy days | 25 | 28 | 27 | 21 | 23 | 14 | 8 | 21 | 12 | 22 | 23 | 20 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 7 | 7 | 3 | 3 | 0 | 0 | 0 |
The best time to visit San Justo during the most sunny months:
Months with the longest average daylight duration in San Justo:
The largest precipitation sum in San Justo is at