Osaka Weather in December
12.3°C high · 3.7°C low · 45 mm rain · 3.1h sun
Dec is a cool month in Osaka — not peak season, but a good time to avoid crowds.
December at a glance
| Metric | Value |
|---|---|
| Average high | 12.3°C |
| Average low | 3.7°C |
| Rainfall | 45 mm |
| Sunshine | 3.1 hours/day |
| Daylight | 9.7 hours |
What to pack in December
Pack a jacket and layers for Osaka in December.
Osaka weather by month
JanFebMarAprMayJunJulAugSepOctNovDec
Frequently asked questions
What is the weather in Osaka in December?
Highs of 12.3°C and lows of 3.7°C, with about 45 mm of rain and 3.1 hours of sunshine per day.
Is December a good time to visit Osaka?
Dec is a cool month in Osaka — not peak season, but a good time to avoid crowds.
What to do in Osaka · Best time to visit Osaka
Climate data: Open-Meteo Historical (ERA5), 1991–2020. CC BY 4.0.