Average annual temperature is 20.7 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: 5.8 °C
Number of sunny days: 129 days
Number of rainy days: 236 days
Look at detailed online map of San Antonio
* Weather data for 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) | 32.6 | 31.3 | 30.9 | 28.5 | 26.3 | 24.5 | 25.2 | 29.1 | 33.4 | 32.1 | 33.0 | 33.8 |
| Average daytime temperature (°C) | 28.8 | 27.0 | 27.9 | 24.0 | 22.7 | 20.5 | 21.7 | 23.5 | 26.6 | 26.0 | 27.4 | 28.9 |
| Average temperature (°C) | 23.8 | 22.3 | 23.1 | 19.6 | 18.1 | 16.1 | 17.2 | 18.5 | 21.4 | 21.4 | 22.8 | 24.3 |
| Average night temperature (°C) | 19.7 | 18.8 | 19.6 | 16.1 | 14.7 | 12.7 | 13.9 | 14.6 | 17.4 | 17.9 | 19.1 | 20.8 |
| Absolute minimum temperature (°C) | 15.9 | 10.7 | 16.4 | 10.3 | 9.4 | 7.0 | 5.8 | 8.3 | 7.8 | 12.8 | 9.8 | 16.7 |
| 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 | 11.5 | 10.8 | 10.5 | 10.7 | 11.2 | 11.9 | 12.7 | 13.4 | 13.7 |
| 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) | 11.0 | 9.4 | 9.9 | 8.8 | 7.9 | 7.2 | 7.8 | 9.1 | 8.6 | 7.8 | 9.0 | 9.8 |
| Precipitation (mm) | 93 | 186 | 120 | 156 | 109 | 149 | 211 | 64 | 196 | 439 | 369 | 200 |
| Sunny days | 7 | 4 | 5 | 9 | 16 | 18 | 18 | 17 | 12 | 8 | 7 | 8 |
| Rainy days | 24 | 24 | 26 | 21 | 15 | 12 | 13 | 14 | 18 | 23 | 23 | 23 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in San Antonio is at