Osaka has a temperate weather pattern; the summers are hot and humid and the winters are cold. Plenty of rain falls over the summer months of June and early July, while the warm weeks of September and early October bring occasional typhoons. The autumn is usually sunny and cool. It seldom snows in the winter, as temperatures rarely fall below freezing.
| Month | Temp (°C) | Rainfall (mm) | Humidity (%) | Sunshine (hours) |
| Jan | 0 - 8 | 46 | ||
| Feb | 1 - 8 | 58 | ||
| Mar | 3 - 12 | 99 | ||
| Apr | 9 - 18 | 135 | ||
| May | 13 - 23 | 130 | ||
| Jun | 18 - 27 | 201 | ||
| Jul | 23 - 30 | 160 | ||
| Aug | 24 - 32 | 104 | ||
| Sep | 20 - 28 | 173 | ||
| Oct | 13 - 22 | 122 | ||
| Nov | 7 - 17 | 74 | ||
| Dec | 2 - 11 | 46 |