The weather ratio in January in Tokyo (Japan) comprises 55% clear and sunny days, 29% partly cloudy days, 3% cloudy days, 6% rainy days, and 6% snowy days. Tokyo has many clear and sunny days in January. The average temperature in Tokyo in January is 8°C. The highest temperature is 8°C, the lowest temperature is -1°C, and the temperature doesn't change much. There are many days on which the cloud coverage is minimal and the sunlight shines through strongly, It is, on average, a windy place.