Average annual temperature is 20.6 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 3.4 °C
Number of sunny days: 234 days
Number of rainy days: 131 days
Look at detailed online map of Isla de San Antonio
* Weather data for Isla de San Antonio 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) | 38.7 | 36.9 | 35.2 | 30.6 | 26.2 | 24.8 | 27.0 | 30.3 | 35.7 | 35.2 | 39.1 | 36.2 |
| Average daytime temperature (°C) | 33.1 | 30.2 | 31.2 | 23.8 | 21.4 | 18.9 | 19.2 | 22.9 | 24.4 | 27.4 | 29.1 | 29.4 |
| Average temperature (°C) | 27.2 | 25.0 | 25.8 | 19.2 | 17.0 | 14.4 | 14.5 | 17.2 | 18.2 | 21.1 | 22.9 | 24.3 |
| Average night temperature (°C) | 22.3 | 20.6 | 21.5 | 15.8 | 13.8 | 11.3 | 11.3 | 12.6 | 13.5 | 15.9 | 18.0 | 20.2 |
| Absolute minimum temperature (°C) | 16.6 | 9.5 | 17.2 | 11.3 | 7.5 | 3.5 | 3.4 | 7.1 | 8.0 | 8.6 | 7.1 | 14.2 |
| 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) | 13.8 | 13.1 | 12.3 | 11.4 | 10.6 | 10.2 | 10.4 | 11.1 | 11.9 | 12.8 | 13.6 | 14.0 |
| 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 | 13.0 |
| Sunshine mean duration (h) | 12.1 | 11.1 | 10.4 | 8.1 | 7.3 | 7.6 | 8.2 | 10.2 | 10.1 | 10.4 | 10.9 | 10.9 |
| Precipitation (mm) | 86 | 67 | 77 | 29 | 38 | 3 | 7 | 0 | 3 | 33 | 83 | 64 |
| Sunny days | 15 | 14 | 17 | 17 | 20 | 20 | 26 | 30 | 26 | 21 | 16 | 12 |
| Rainy days | 16 | 14 | 14 | 13 | 11 | 10 | 5 | 1 | 4 | 10 | 14 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Isla de San Antonio is at