Tokyo weather by month
Tokyo's warmest month is August (average high 31.3°C) and coldest is January (9.8°C). Monthly temperature, rain, sunshine and flower seasons from Japan Meteorological Agency 1991–2020 normals.
| Month | High / low | Rain | In bloom |
|---|---|---|---|
| January | 10° / 1°C (50° / 34°F) | 60 mm (5 days) | Plum blossoms |
| February | 11° / 2°C (52° / 36°F) | 57 mm (5 days) | — |
| March | 14° / 5°C (58° / 41°F) | 116 mm (9 days) | Cherry blossoms |
| April | 19° / 10°C (67° / 50°F) | 134 mm (10 days) | Cherry blossoms |
| May | 24° / 15°C (74° / 58°F) | 140 mm (10 days) | — |
| June | 26° / 19°C (79° / 65°F) | 168 mm (12 days) | — |
| July | 30° / 22°C (86° / 72°F) | 156 mm (11 days) | — |
| August | 31° / 24°C (88° / 74°F) | 155 mm (8 days) | — |
| September | 28° / 20°C (82° / 69°F) | 225 mm (11 days) | — |
| October | 22° / 15°C (72° / 59°F) | 235 mm (11 days) | — |
| November | 17° / 9°C (62° / 48°F) | 96 mm (7 days) | Autumn colors |
| December | 12° / 4°C (54° / 39°F) | 58 mm (5 days) | Autumn colors |
See Tokyo cherry blossom dates and autumn leaves.
Source: Japan Meteorological Agency climate normals 1991–2020 (processed by Japan Bloom Calendar). Averages, not a forecast.