Average annual temperature is 22.8 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 4.9 °C
Number of sunny days: 207 days
Number of rainy days: 158 days
Look at detailed online map of San Isidro
* Weather data for San Isidro 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) | 37.8 | 38.4 | 36.4 | 32.6 | 28.7 | 29.1 | 28.7 | 33.9 | 34.8 | 38.8 | 37.8 | 37.9 |
| Average daytime temperature (°C) | 34.5 | 32.9 | 31.5 | 26.6 | 23.2 | 22.5 | 21.8 | 26.2 | 25.4 | 27.4 | 29.9 | 30.8 |
| Average temperature (°C) | 29.1 | 27.4 | 26.9 | 21.5 | 18.8 | 18.2 | 17.3 | 20.0 | 20.4 | 22.1 | 25.2 | 26.5 |
| Average night temperature (°C) | 23.7 | 22.3 | 22.9 | 17.1 | 15.4 | 14.7 | 13.6 | 15.4 | 16.5 | 17.7 | 21.2 | 22.6 |
| Absolute minimum temperature (°C) | 17.2 | 12.0 | 18.7 | 11.5 | 9.3 | 5.3 | 4.9 | 7.3 | 6.3 | 9.5 | 11.0 | 17.7 |
| 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) | 13.7 | 13.0 | 12.2 | 11.4 | 10.7 | 10.4 | 10.6 | 11.2 | 11.9 | 12.8 | 13.5 | 13.9 |
| 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) | 11.5 | 11.4 | 10.0 | 8.8 | 6.6 | 7.6 | 7.0 | 9.1 | 7.8 | 9.2 | 9.3 | 9.7 |
| Precipitation (mm) | 83 | 83 | 191 | 45 | 117 | 35 | 42 | 102 | 169 | 253 | 298 | 248 |
| Sunny days | 19 | 16 | 15 | 21 | 16 | 22 | 21 | 25 | 18 | 12 | 10 | 12 |
| Rainy days | 12 | 12 | 16 | 9 | 15 | 8 | 10 | 6 | 12 | 19 | 20 | 19 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit San Isidro during the most sunny months:
The largest precipitation sum in San Isidro is at