What to expect in Osaka in December
December is a mixed month in Osaka. You get 12° / 5°, but manageable crowds at the big attractions. Worth it for the right traveller.
Osaka weather in December
Typical conditions in Osaka during December, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 12°C 54°F |
|---|---|
| Average low | 5°C 41°F |
| Rainfall | Moderate 40/100 |
| Total rainfall | 56 mm2.2 in |
| Rainy days | 6 |
| Sea temperature | 17°C 62°F |
| Daylight | 9 h 51 min |
| How it feels | Cool |
Average highs sit around 12°C with lows near 5°C. Rainfall is moderate; the odd shower is likely.
Crowds & demand
Crowd levels are Moderate for Osaka — manageable crowds at the big attractions.
Prices & value
This month counts as shoulder season: prices close to the yearly average.
What to pack
Layers you can shed: 12°C by day and about 5°C after dark is a two-jacket kind of month.
What it costs
Costs in December sit around the yearly average for Osaka — neither a bargain nor a squeeze. Booking a few weeks out is usually enough. Compared with the most expensive month of the year, you are looking at roughly 38% less.
Who this month suits
- Anyone travelling on a budget
Events & what’s on
No major festivals fall in December, so the destination feels like its everyday self.
Osaka in December compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| October | 24° / 16° | High | $$ | 53 |
| November | 18° / 10° | High | $$$ | 42 |
| December · This month | 12° / 5° | Moderate | $$ | 50 |
| January | 10° / 3° | Moderate | $$ | 54 |
| February | 11° / 3° | Low | $ | 57 |
These months score higher for Osaka on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in December
If the destination is negotiable but the month is not, these places are at their best in December.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
