Shinagawa-ku Weather in December
What's the weather like in Shinagawa-ku (Tōkyō) in December 2025?
The climate in Shinagawa-ku during December can be summarized as cool and reasonably dry.
December is in the winter in Shinagawa-ku and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (54°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 12.5°C 54.4°F |
|---|---|
| Nightly temperature | 3.8°C 38.8°F |
| Average temperature | 8.1°C 46.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 48 mm 1.9 ins |
| Rainy days | 10 days |
| Sea temperature | 18.6°C 65.5°F |
| Humidity | 58% |
| Windspeed | 10.4kph 7 mph |
On average December is the driest month of the year in Shinagawa-ku with around 48mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
December temperatures in Shinagawa-ku
December rainfall
December hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Shinagawa-ku in December 2025.
Other monthly averages
Best places to visit in December
Shinagawa-ku weather stats
| Hottest month: | August | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | December | 48mm 1.9ins |
| Sunniest month: | January | 6.2hrs |
| Coldest month: | January | 9.7°C 49.5°F |
| Wettest month: | June | 188mm 7.4ins |
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