Click on a day for an hourly weather forecast
The temperatures in Sendai in October are usually low and can range between 10°C and 17°C.
You can expect about 3 to 8 days of rain in Sendai during the month of October. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sendai in October 2025.
If you’re planning to visit Sendai in the near future, we highly recommend that you review the 14 day weather forecast for Sendai before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 1° / -4° | 11 | 1 | 27 | 157 mm | Awful | Sendai in January |
| February | 2° / -4° | 10 | 1 | 22 | 125 mm | Awful | Sendai in February |
| March | 7° / 0° | 10 | 7 | 15 | 160 mm | Awful | Sendai in March |
| April | 13° / 5° | 9 | 17 | 4 | 171 mm | Awful | Sendai in April |
| May | 20° / 10° | 8 | 23 | 0 | 171 mm | Ok | Sendai in May |
| June | 23° / 14° | 8 | 22 | 0 | 169 mm | Good | Sendai in June |
| July | 26° / 19° | 12 | 19 | 0 | 229 mm | Good | Sendai in July |
| August | 28° / 20° | 10 | 21 | 0 | 222 mm | Good | Sendai in August |
| September | 23° / 16° | 8 | 22 | 0 | 199 mm | Good | Sendai in September |
| October | 17° / 10° | 7 | 24 | 0 | 222 mm | Ok | Sendai in October |
| November | 11° / 5° | 8 | 18 | 5 | 119 mm | Awful | Sendai in November |
| December | 4° / -1° | 11 | 2 | 20 | 155 mm | Awful | Sendai in December |