Average annual temperature is 21.8 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 3.4 °C
Number of sunny days: 247 days
Number of rainy days: 118 days
Look at detailed online map of Portillo Grande
* Weather data for Portillo Grande 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) | 40.9 | 37.1 | 37.3 | 30.7 | 28.0 | 27.2 | 28.3 | 30.7 | 35.0 | 37.5 | 41.7 | 38.2 |
| Average daytime temperature (°C) | 34.5 | 32.8 | 33.0 | 25.7 | 23.5 | 20.2 | 20.2 | 24.3 | 26.1 | 29.3 | 31.8 | 31.8 |
| Average temperature (°C) | 28.4 | 26.7 | 27.4 | 20.6 | 17.9 | 14.8 | 14.5 | 17.6 | 19.8 | 22.7 | 25.5 | 26.4 |
| Average night temperature (°C) | 22.5 | 21.0 | 22.3 | 16.6 | 13.6 | 10.6 | 9.9 | 11.6 | 14.4 | 16.8 | 19.8 | 21.5 |
| Absolute minimum temperature (°C) | 18.3 | 9.4 | 19.3 | 11.7 | 8.1 | 3.4 | 3.5 | 7.0 | 9.3 | 10.8 | 10.0 | 16.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 13.0 | 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 | 10.7 | 10.3 | 10.5 | 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 | 11.7 | 10.5 | 8.7 | 8.5 | 8.0 | 8.0 | 10.2 | 9.6 | 9.5 | 10.6 | 10.8 |
| Precipitation (mm) | 71 | 37 | 116 | 58 | 29 | 18 | 21 | 0 | 3 | 13 | 36 | 78 |
| Sunny days | 15 | 15 | 19 | 15 | 21 | 25 | 26 | 30 | 25 | 24 | 18 | 14 |
| Rainy days | 16 | 13 | 12 | 15 | 10 | 5 | 5 | 1 | 5 | 7 | 12 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Portillo Grande is at