Event Dates:Mar. 4-6, 2016. Metro Gymnastics Center along with the Metro Boys and Girls Booster Clubs would like to welcome you to the 19th Annual Rose City Challenge, March 4 - 6, 2016.
Osaka: Annual Weather Averages. August is the hottest month in Osaka with an average temperature of 29Â°C (84Â°F) and the coldest is January at 6Â°C (43Â°F) with the most daily sunshine hours at 6.7 in August. The wettest month is June with an average of 230mm of rain.
Check the Weather in Osaka, Japan in April before you book your next holiday. This gives the best indication of the weather in April and includes figures for temperature, sunshine and rainfall.1  20Â°C max day temperature.heck the Weather in Osaka, Japan in April before you book your next holiday. This gives the best indication of the weather in April and includes figures for temperature, sunshine and rainfall. 1  20Â°C max day temperature.