Average annual temperature is 12.3 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -5.5 °C
Number of sunny days: 303 days
Number of rainy days: 60 days
Number of snow days: 2 days
Look at detailed online map of Río Grande
* Weather data for Río 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) | 28.6 | 23.8 | 25.3 | 26.1 | 22.1 | 23.8 | 23.6 | 25.8 | 27.1 | 27.0 | 28.6 | 29.7 |
| Average daytime temperature (°C) | 20.3 | 19.2 | 20.7 | 17.5 | 16.5 | 16.2 | 17.4 | 18.3 | 19.1 | 21.0 | 22.2 | 23.2 |
| Average temperature (°C) | 14.5 | 13.9 | 14.9 | 11.0 | 9.3 | 8.4 | 8.9 | 10.6 | 11.1 | 13.0 | 15.0 | 16.5 |
| Average night temperature (°C) | 9.1 | 8.2 | 9.3 | 5.2 | 2.9 | 2.0 | 2.2 | 3.7 | 3.5 | 5.4 | 8.1 | 10.0 |
| Absolute minimum temperature (°C) | 5.2 | 2.9 | 7.2 | 0.5 | -2.1 | -5.5 | -2.1 | -0.2 | -3.2 | 1.0 | 1.0 | 5.5 |
| 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 | 11.4 | 10.8 | 10.5 | 10.6 | 11.2 | 11.9 | 12.7 | 13.5 | 13.8 |
| 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) | 12.1 | 11.4 | 10.9 | 10.3 | 9.9 | 9.5 | 9.7 | 10.4 | 11.1 | 11.9 | 12.1 | 12.9 |
| Precipitation (mm) | 83 | 57 | 35 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 12 | 6 |
| Sunny days | 16 | 16 | 16 | 24 | 30 | 29 | 31 | 31 | 30 | 31 | 25 | 24 |
| Rainy days | 15 | 12 | 15 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Río Grande is at