average forecast for june in athens greece
Key weather averages for Athens in June. 1  29. 29Â°C max day temperature. 2  11. 11 hours of sunshine per day. 3  2. 2 days with some rainfall. 4  19. 19Â°C min night temperature. 5  15. 15 hours of daylight per day. 6  M. Moderate heat & humidity. 7  12. 12 mm of monthly rainfall. 8  9. 9 (Very High) UV index. 9  22. 22Â°C sea temperature.