Usually average temperatures are Osaka during the month of December is 7. Through the month the highs are about 12 with low temperatures being around 5. We have put some more information below:
| Month | Degrees Celsius |
|---|---|
| Temperature | 7 |
| High Temperature | 12 |
| Low Temperature | 5 |
| Sunshine Per Day | 6 |
Useful Links: Osaka Weather: Average Weather & Yearly Climate