Sendai weather by month
Sendai's warmest month is August (average high 28.2°C) and coldest is January (5.6°C). Monthly temperature, rain, sunshine and flower seasons from Japan Meteorological Agency 1991–2020 normals.
| Month | High / low | Rain | In bloom |
|---|---|---|---|
| January | 6° / -1°C (42° / 30°F) | 42 mm (6 days) | — |
| February | 7° / -1°C (44° / 30°F) | 34 mm (5 days) | — |
| March | 10° / 1°C (50° / 35°F) | 74 mm (7 days) | Plum blossoms |
| April | 16° / 6°C (60° / 43°F) | 90 mm (8 days) | Cherry blossoms |
| May | 20° / 12°C (68° / 53°F) | 110 mm (9 days) | — |
| June | 23° / 16°C (74° / 61°F) | 144 mm (10 days) | — |
| July | 27° / 20°C (80° / 68°F) | 178 mm (13 days) | — |
| August | 28° / 22°C (83° / 71°F) | 158 mm (11 days) | — |
| September | 25° / 18°C (77° / 64°F) | 193 mm (11 days) | — |
| October | 20° / 12°C (68° / 53°F) | 151 mm (8 days) | — |
| November | 14° / 6°C (57° / 42°F) | 59 mm (6 days) | Autumn colors |
| December | 8° / 1°C (47° / 34°F) | 44 mm (6 days) | Autumn colors |
See Sendai cherry blossom dates and autumn leaves.
Source: Japan Meteorological Agency climate normals 1991–2020 (processed by Japan Bloom Calendar). Averages, not a forecast.