Average annual temperature is 20.3 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: 3.1 °C
Number of sunny days: 230 days
Number of rainy days: 135 days
Look at detailed online map of Isla San José
* Weather data for Isla San José 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) | 38.5 | 36.5 | 35.2 | 29.9 | 27.0 | 25.2 | 24.9 | 31.6 | 31.5 | 37.2 | 38.5 | 37.0 |
| Average daytime temperature (°C) | 32.3 | 30.8 | 31.7 | 24.6 | 22.3 | 19.4 | 19.2 | 23.0 | 24.4 | 27.7 | 29.6 | 29.6 |
| Average temperature (°C) | 26.4 | 24.7 | 26.2 | 19.8 | 17.1 | 14.1 | 13.7 | 15.6 | 17.9 | 20.7 | 23.4 | 24.4 |
| Average night temperature (°C) | 21.3 | 19.8 | 21.8 | 16.3 | 12.9 | 10.2 | 9.5 | 9.6 | 12.8 | 15.3 | 18.4 | 20.4 |
| Absolute minimum temperature (°C) | 16.3 | 13.5 | 19.5 | 10.7 | 8.5 | 3.1 | 4.5 | 5.4 | 6.6 | 9.7 | 10.0 | 16.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 |
| Daylight mean duration (h) | 13.6 | 13.0 | 12.2 | 11.4 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.4 | 13.8 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 |
| Sunshine mean duration (h) | 12.0 | 11.2 | 10.5 | 8.1 | 8.4 | 7.9 | 7.5 | 10.0 | 8.3 | 9.4 | 9.8 | 9.7 |
| Precipitation (mm) | 112 | 95 | 67 | 229 | 33 | 41 | 17 | 0 | 39 | 73 | 133 | 248 |
| Sunny days | 15 | 19 | 20 | 14 | 24 | 23 | 24 | 30 | 19 | 19 | 15 | 8 |
| Rainy days | 16 | 9 | 11 | 16 | 7 | 7 | 7 | 1 | 11 | 12 | 15 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Isla San José during the most sunny months:
The largest precipitation sum in Isla San José is at