Average annual temperature is 8.5 °C
Absolute maximum temperature: 25.7 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 242 days
Number of rainy days: 118 days
Number of snow days: 5 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) | 19.9 | 18.3 | 20.1 | 18.8 | 15.9 | 18.9 | 19.7 | 21.1 | 23.1 | 24.9 | 25.7 | 24.0 |
| Average daytime temperature (°C) | 14.7 | 14.4 | 16.0 | 12.5 | 12.5 | 12.6 | 15.0 | 16.2 | 18.2 | 19.9 | 20.7 | 19.8 |
| Average temperature (°C) | 9.8 | 9.0 | 10.1 | 5.7 | 5.1 | 4.7 | 5.9 | 7.3 | 8.6 | 10.7 | 12.4 | 13.0 |
| Average night temperature (°C) | 5.2 | 3.6 | 4.4 | 0.0 | -0.7 | -1.3 | -0.8 | -0.1 | 0.2 | 2.0 | 4.9 | 6.7 |
| Absolute minimum temperature (°C) | 0.1 | 0.8 | 1.2 | -9.2 | -4.6 | -7.2 | -2.9 | -2.0 | -4.7 | -2.8 | -0.3 | 2.8 |
| 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) | 12.0 | 11.5 | 10.9 | 10.5 | 10.0 | 9.6 | 9.9 | 10.4 | 11.2 | 11.9 | 12.3 | 12.3 |
| Precipitation (mm) | 98 | 69 | 41 | 69 | 0 | 1 | 0 | 0 | 0 | 4 | 24 | 63 |
| Sunny days | 2 | 2 | 9 | 21 | 28 | 28 | 31 | 31 | 28 | 27 | 22 | 13 |
| Rainy days | 29 | 26 | 22 | 9 | 1 | 0 | 0 | 0 | 1 | 4 | 8 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 |
The largest precipitation sum in Río Grande is at