Hachiōji Weather in December

What's the weather like in Hachiōji (Tōkyō) in December 2024?

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

December is in the winter in Hachiōji and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night -0°C (32°F) is normal.

Hachiōji weather averages (imperial / metric)
Daytime temperature 11°C 51.7°F
Nightly temperature -0.1°C 31.7°F
Average temperature 5.4°C 41.7°F
Daily sunshine 6.4 hrs
Avg rainfall 38 mm 1.5 ins
Rainy days 7 days
Sea temperature 18.6°C 65.5°F
Humidity 63%
Windspeed 8.6kph 5 mph

On average December is the driest month of the year in Hachiōji with around 38mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.4 hours of sunshine per day.

December temperatures in Hachiōji

Hachiōji average temperature in December

December rainfall

Hachiōji average rain in December

December hourly sunshine

Hachiōji 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 Hachiōji in December 2024.

Other monthly averages

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Hachiōji weather stats

Hachiōji weather statistics
Hottest month: August 29.4°C 84.9°F
Driest month: December 38mm 1.5ins
Sunniest month: January 6.6hrs
Coldest month: January 8.1°C 46.6°F
Wettest month: September 207mm 8.1ins
Map showing location of Hachiōji (35.65583, 139.32389) Hachiōji map pin © Google

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