The climate in Tarumizu during December can be summarized as cool and a little damp.
December is in the winter in Tarumizu and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 13°C (56°F), whilst at night 4°C (38°F) is normal.
Daytime temperature | 13.1°C 55.6°F |
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Nightly temperature | 3.5°C 38.3°F |
Average temperature | 8.3°C 46.9°F |
Daily sunshine | 5 hrs |
Avg rainfall | 81 mm 3.2 ins |
Rainy days | 16 days |
Sea temperature | 21.8°C 71.3°F |
Humidity | 74% |
Windspeed | 12.2kph 8 mph |
On average December is the driest month of the year in Tarumizu with around 81mm 3.2 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 5 hours of sunshine per day.
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 Tarumizu in December 2025.
Best places to visit in December
Hottest month: | August | 29.9°C 85.8°F |
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Driest month: | December | 81mm 3.2ins |
Sunniest month: | August | 7.1hrs |
Coldest month: | January | 10.5°C 50.9°F |
Wettest month: | June | 426mm 16.8ins |