Winter in Tokyo
Tokyo Weather in January
On average, Tokyo sees a top of 10°C and an overnight low of 3°C in January, with around 5 rain days and 59mm of total rainfall. UV is typically low, 2-3.
10°C
3°C
59mm
5
What January is like in Tokyo
Tokyo's coldest month. Clear, dry days dominate under the winter high-pressure system, though occasional cold fronts from the Sea of Japan side can bring brief showers.
These figures are long-term averages, not a forecast — for today's actual conditions and the week ahead, check the live Tokyo weather forecast. Averages are useful for planning travel, events or what to pack, but any single January can run warmer, cooler, wetter or drier than the long-term normal.