Osaka’s climate is characterized to be a humid subtropical one with distinct, varied seasons. The winters are not very severe, summers are usually hot and humid and majority of the rainfall is received during the summer months only. The average annual temperature usually ranges around 16 – 17 degree Celsius, but undergoes large variations according to the seasons.
The best time to visit Osaka is from the months of March to October. Summers are hot and humid, but bearable, while the perfect time to go if you are looking for the perfect weather conditions is the Spring and Autumn season.