Average annual temperature is 14.3 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 289 days
Number of rainy days: 75 days
Number of snow days: 1 day
Look at detailed online map of Castaño Viejo
* Weather data for Castaño Viejo 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) | 32.7 | 31.9 | 31.3 | 28.9 | 25.4 | 22.7 | 25.5 | 25.0 | 24.2 | 27.3 | 30.1 | 32.3 |
| Average daytime temperature (°C) | 26.0 | 27.0 | 27.1 | 22.1 | 18.4 | 16.3 | 16.7 | 17.9 | 18.1 | 21.8 | 24.3 | 27.9 |
| Average temperature (°C) | 18.3 | 18.9 | 18.9 | 13.8 | 11.1 | 9.5 | 9.4 | 11.2 | 11.2 | 13.8 | 16.4 | 19.8 |
| Average night temperature (°C) | 11.2 | 11.8 | 12.0 | 7.0 | 4.3 | 3.3 | 3.3 | 5.2 | 5.1 | 6.3 | 8.9 | 12.3 |
| Absolute minimum temperature (°C) | 8.0 | 3.4 | 7.5 | 2.7 | 0.1 | -4.4 | -2.4 | 0.6 | -4.4 | 1.6 | 0.6 | 5.2 |
| 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) | 13.9 | 13.2 | 12.3 | 11.3 | 10.6 | 10.2 | 10.4 | 11.0 | 11.9 | 12.8 | 13.7 | 14.1 |
| 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) | 12.4 | 11.6 | 11.3 | 10.3 | 9.6 | 8.8 | 9.0 | 9.5 | 10.3 | 11.9 | 12.6 | 13.0 |
| Precipitation (mm) | 32 | 7 | 8 | 5 | 1 | 3 | 0 | 4 | 10 | 0 | 3 | 2 |
| Sunny days | 16 | 17 | 23 | 27 | 28 | 24 | 28 | 27 | 21 | 29 | 23 | 26 |
| Rainy days | 15 | 11 | 8 | 3 | 3 | 6 | 2 | 4 | 9 | 2 | 7 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Castaño Viejo is at