Osaka weather in December
Osaka in December averages 9°C (48°F), 56 mm of rain and 4.9 hours of sun a day.
Of the twelve months in Osaka, December is the third coldest and the second driest.
- Average temp
- 9°C (48°F)
5–12°C · 42–54°F
- Rainfall
- 56 mm
Showers likely
- Sunshine
- 4.9 h
hours per day
What is Osaka like in December?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Osaka in December?
A light rain jacket
About 56 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 5°C (42°F).
December compared with November and January
December in Osaka is 5.2°C cooler than November and 17 mm drier than it, which averages 14°C (57°F).
December in Osaka is 2.4°C warmer than January and about as wet as it, which averages 6°C (44°F).
Daylight in Osaka in December
On 15 December the sun is up for 9 hours 51 minutes in Osaka, rising about 06:57 and setting about 16:48 local time.
No month in Osaka has less daylight than December.
Where to stay in Osaka
Dates are a starting point for December.
Travel guides for Osaka
What to read before you book.
Osaka weather by month
TemperatureRainfall
How December compares with the rest of the year
December is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 44°F | 47 mm |
| February | 7°C / 44°F | 61 mm |
| March | 10°C / 50°F | 103 mm |
| April | 15°C / 60°F | 103 mm |
| May | 20°C / 69°F | 136 mm |
| June | 24°C / 76°F | 185 mm |
| July | 28°C / 82°F | 175 mm |
| August | 30°C / 85°F | 113 mm |
| September | 26°C / 78°F | 146 mm |
| October | 20°C / 68°F | 140 mm |
| November | 14°C / 57°F | 73 mm |
| December | 9°C / 48°F | 56 mm |
Similar weather in December
Other destinations whose December averages sit close to this one.
Check another month
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FAQs about Osaka in December
December climate averages for Osaka, 1991–2020.
Osaka averages 9°C (48°F) in December, ranging from about 5°C (42°F) at night to 12°C (54°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 56 mm falls across December, enough to need a light jacket but not enough to reshape a trip.
Yes. December averages 9°C (48°F) against 6°C (44°F) in January — 2.4°C warmer.
December is 5.2°C cooler than November, and 17 mm drier.
It is outside the easiest window. The most comfortable stretch here is May to October; December sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 4.9 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what December is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 9 hours 51 minutes of daylight in mid-December, the least of any month in Osaka.
On 15 December, sunrise is about 06:57 and sunset about 16:48 local time. Both shift across the month.
