Otaru Weather in December

What's the weather like in Otaru (Hokkaidō) in December 2024?

The climate in Otaru during December can be summarized as cold and wet.

December is in the winter in Otaru and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing -1°C (31°F), whilst at night -7°C (19°F) is normal.

Otaru weather averages (imperial / metric)
Daytime temperature -0.6°C 30.9°F
Nightly temperature -7.2°C 19°F
Average temperature -3.9°C 25°F
Daily sunshine 2.3 hrs
Avg rainfall 140 mm 5.5 ins
Rainy days 28 days
Sea temperature 8.4°C 47.2°F
Humidity 74%
Windspeed 11.7kph 7 mph

On average December is the 3rd wettest month of the year in Otaru with around 140mm 5.5 inches of rain making it a wet time to visit. This rainfall is typically spread over 28 days, although this may vary considerably.

On the flip side this corresponds to an average of 2.3 hours of sunshine per day.

December temperatures in Otaru

Otaru average temperature in December

December rainfall

Otaru average rain in December

December hourly sunshine

Otaru average rain in December

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 Otaru in December 2024.

Other monthly averages

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UV index Best time to go?

Otaru weather stats

Otaru weather statistics
Hottest month: August 23.5°C 74.3°F
Driest month: May 70mm 2.8ins
Sunniest month: April 6.4hrs
Coldest month: January -3.8°C 25.2°F
Wettest month: August 152mm 6ins
Map showing location of Otaru (43.18944, 141.00222) Otaru map pin © Google

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