Ōfunato Weather in December

What's the weather like in Ōfunato (Iwate) in December 2025?

The climate in Ōfunato during December can be summarized as cool and reasonably dry.

December is in the winter in Ōfunato and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cold 6°C (43°F), whilst at night -2°C (28°F) is normal.

Ōfunato weather averages (imperial / metric)
Daytime temperature 6.2°C 43.1°F
Nightly temperature -2.2°C 28.1°F
Average temperature 2°C 35.6°F
Daily sunshine 5.1 hrs
Avg rainfall 39 mm 1.6 ins
Rainy days 22 days
Sea temperature 13.1°C 55.6°F
Humidity 65%
Windspeed 9.4kph 6 mph

On average December is the driest month of the year in Ōfunato with around 39mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.

On the flip side this corresponds to an average of 5.1 hours of sunshine per day.

December temperatures in Ōfunato

Ōfunato average temperature in December

December rainfall

Ōfunato average rain in December

December hourly sunshine

Ōfunato 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 Ōfunato in December 2025.

Other monthly averages

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UV index Best time to go?

Ōfunato weather stats

Ōfunato weather statistics
Hottest month: August 26°C 78.8°F
Driest month: December 39mm 1.5ins
Sunniest month: January 5.6hrs
Coldest month: January 2.9°C 37.2°F
Wettest month: August 195mm 7.7ins
Map showing location of Ōfunato (39.07167, 141.71667) Ōfunato map pin © Google

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