Shinagawa-ku Weather in January

The climate in Shinagawa-ku during January can be summarized as cool and reasonably dry.

January is in the winter in Shinagawa-ku and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 1°C (34°F) is normal.

On average January is the 2nd driest month of the year in Shinagawa-ku with around 49mm 1.9 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 6.2 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 Shinagawa-ku in January 2025.