Average annual temperature is 19.2 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 3.6 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of Río
* Weather data for Río Greece is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 19.6 | 20.5 | 19.6 | 21.1 | 26.0 | 32.6 | 39.1 | 38.4 | 33.8 | 29.3 | 26.2 | 22.0 |
| Average daytime temperature (°C) | 14.4 | 12.4 | 15.8 | 17.3 | 22.3 | 27.8 | 34.8 | 32.4 | 28.6 | 25.9 | 19.7 | 16.2 |
| Average temperature (°C) | 12.2 | 10.2 | 13.0 | 14.6 | 19.1 | 24.3 | 30.1 | 28.1 | 24.6 | 22.2 | 17.4 | 13.8 |
| Average night temperature (°C) | 10.0 | 8.0 | 10.4 | 11.9 | 16.2 | 20.8 | 26.0 | 24.1 | 21.2 | 19.2 | 15.0 | 11.7 |
| Absolute minimum temperature (°C) | 4.9 | 3.6 | 6.2 | 8.9 | 13.7 | 16.8 | 22.0 | 21.6 | 18.8 | 17.5 | 7.4 | 8.3 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.6 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 8.6 | 9.5 | 10.5 | 10.5 | 12.5 | 13.2 | 12.6 | 9.9 | 9.7 | 7.5 | 6.9 |
| Precipitation (mm) | 212 | 16 | 124 | 73 | 88 | 58 | 1 | 42 | 237 | 50 | 256 | 56 |
| Sunny days | 14 | 19 | 14 | 14 | 11 | 20 | 28 | 23 | 19 | 25 | 8 | 18 |
| Rainy days | 17 | 9 | 17 | 16 | 20 | 10 | 3 | 8 | 11 | 6 | 22 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Río during the most sunny months:
The largest precipitation sum in Río is at