Average annual temperature is 23.9 °C
Absolute maximum temperature: 47.5 °C
Absolute minimum temperature: 2.9 °C
Number of sunny days: 336 days
Number of rainy days: 29 days
Look at detailed online map of Río Sur
* Weather data for Río Sur Mexico is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.5 | 24.9 | 30.0 | 39.9 | 40.0 | 42.8 | 47.3 | 47.5 | 43.9 | 41.0 | 33.2 | 26.5 |
| Average daytime temperature (°C) | 20.0 | 21.1 | 25.0 | 32.4 | 34.4 | 38.0 | 44.3 | 42.0 | 38.2 | 34.7 | 26.5 | 22.1 |
| Average temperature (°C) | 13.5 | 13.7 | 17.9 | 23.4 | 26.1 | 29.6 | 36.3 | 34.6 | 30.5 | 26.4 | 19.2 | 14.7 |
| Average night temperature (°C) | 8.3 | 8.0 | 11.9 | 15.3 | 18.7 | 21.7 | 29.0 | 28.1 | 24.2 | 19.5 | 13.3 | 9.1 |
| Absolute minimum temperature (°C) | 2.9 | 4.3 | 4.6 | 7.8 | 13.1 | 18.1 | 24.9 | 21.4 | 20.0 | 14.8 | 8.5 | 5.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.4 | 9.5 | 10.1 | 12.0 | 12.9 | 13.1 | 12.6 | 11.7 | 10.9 | 10.5 | 8.9 | 8.6 |
| Precipitation (mm) | 20 | 2 | 3 | 0 | 0 | 0 | 0 | 56 | 13 | 0 | 21 | 14 |
| Sunny days | 27 | 22 | 27 | 30 | 31 | 30 | 29 | 26 | 28 | 31 | 28 | 27 |
| Rainy days | 4 | 6 | 4 | 0 | 0 | 0 | 2 | 5 | 2 | 0 | 2 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Río Sur is at