The climate in Tokyo during January can be summarized as cool and reasonably dry.
January is in the winter in Tokyo and is typically the coldest month of the year. Daytime maximum temperatures average around a cool 10°C (50°F), whilst at night 0°C (33°F) is normal.
|Daytime temperature||9.7°C 49.5°F|
|Nightly temperature||0.3°C 32.5°F|
|Average temperature||5°C 41°F|
|Daily sunshine||6.4 hrs|
|Avg rainfall||43 mm 1.7 ins|
|Rainy days||9 days|
|Sea temperature||16.7°C 62.1°F|
|Windspeed||10.8kph 7 mph|
On average January is the driest month of the year in Tokyo with around 43mm 1.7 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 6.4 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 Tokyo in January 2022.
|Hottest month:||August||30.8°C 87.4°F|
|Driest month:||January||43mm 1.7ins|
|Coldest month:||January||9.5°C 49.1°F|
|Wettest month:||June||181mm 7.1ins|