Yokohama Weather in December
What's the weather like in Yokohama (Kanagawa) in December 2025?
The climate in Yokohama during December can be summarized as cool and reasonably dry.
December is in the winter in Yokohama and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 4°C (39°F) is normal.
| Daytime temperature | 12.6°C 54.6°F |
|---|---|
| Nightly temperature | 3.9°C 38.9°F |
| Average temperature | 8.2°C 46.8°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 51 mm 2 ins |
| Rainy days | 10 days |
| Sea temperature | 18.6°C 65.5°F |
| Humidity | 60% |
| Windspeed | 10.4kph 7 mph |
On average December is the driest month of the year in Yokohama with around 51mm 2 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 Yokohama
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 Yokohama in December 2025.
Other monthly averages
Best places to visit in December
Yokohama weather stats
| Hottest month: | August | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | December | 51mm 2ins |
| Sunniest month: | January | 6.1hrs |
| Coldest month: | January | 9.7°C 49.5°F |
| Wettest month: | June | 212mm 8.3ins |
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