Average annual temperature is 15.9 °C
Absolute maximum temperature: 38.5 °C
Absolute minimum temperature: -2.3 °C
Number of sunny days: 164 days
Number of rainy days: 199 days
Number of snow days: 2 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) | 15.9 | 17.6 | 19.6 | 19.7 | 27.3 | 32.8 | 38.5 | 34.5 | 33.2 | 26.8 | 21.7 | 17.8 |
| Average daytime temperature (°C) | 11.8 | 10.9 | 14.5 | 16.0 | 21.2 | 26.7 | 33.3 | 30.8 | 26.8 | 23.9 | 16.7 | 13.8 |
| Average temperature (°C) | 7.7 | 6.4 | 9.8 | 11.3 | 16.4 | 21.5 | 27.4 | 25.0 | 21.6 | 18.8 | 13.5 | 10.1 |
| Average night temperature (°C) | 4.5 | 2.7 | 5.5 | 7.0 | 12.1 | 16.7 | 21.8 | 20.0 | 17.3 | 14.8 | 10.5 | 6.9 |
| Absolute minimum temperature (°C) | 0.6 | -2.3 | -0.1 | 2.7 | 9.1 | 12.9 | 18.3 | 17.5 | 13.0 | 12.6 | 2.7 | 1.4 |
| 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 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.0 | 8.7 | 8.4 | 9.8 | 9.6 | 12.3 | 13.3 | 12.5 | 9.8 | 9.7 | 6.8 | 6.5 |
| Precipitation (mm) | 210 | 16 | 134 | 86 | 178 | 136 | 11 | 29 | 200 | 90 | 230 | 66 |
| Sunny days | 13 | 17 | 13 | 6 | 4 | 6 | 26 | 18 | 19 | 20 | 6 | 16 |
| Rainy days | 18 | 9 | 18 | 24 | 27 | 24 | 5 | 13 | 11 | 11 | 24 | 15 |
| Snow days | 0 | 2 | 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