Verdict: Fair month
Tokyo Weather in January
January is properly cold in Tokyo, with highs of only 9°C (48°F). Rain is occasional — about 6 wet days in a typical year. January is workable in Tokyo if your dates are fixed — just plan around the conditions.
Average high
9°C / 48°F
Average low
0°C / 32°F
Rain days
~6
Precipitation
55 mm
What to pack for Tokyo in January
- A proper warm jacket, and a hat for mornings
- Comfortable walking shoes — every guide on this site assumes you'll use them
January against the rest of the year
Warmest in Tokyo: Aug (32°C / 90°F) · Coolest: Jan (9°C / 48°F) · Wettest: Jul (~18 rain days)
9°
0°
Jan
11°
1°
Feb
15°
5°
Mar
19°
10°
Apr
23°
14°
May
27°
19°
Jun
31°
23°
Jul
32°
25°
Aug
28°
21°
Sep
22°
14°
Oct
18°
9°
Nov
12°
2°
Dec
Daily highs / lows in °C · bars show rain days per month · ERA5 climate normals (2020–2024)