The weather ratio in June in Tokyo (Japan) comprises 23% clear and sunny days, 20% partly cloudy days, 20% cloudy days, and 37% rainy days. There is a lot of rain in Tokyo in June. The average temperature in Tokyo in June is 24°C. The highest temperature is 24°C, the lowest temperature is 19°C, and the temperature doesn't change much. Roughly half of the days of the month are cloudy, so sunlight his highly valued, It is, on average, a windy place.