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The weather in Hakodate in August is hot. The average temperatures are between 20°C and 23°C.
You can expect about 3 to 8 days of rain in Hakodate during the month of August. 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 Hakodate in August 2025.
If you’re planning to visit Hakodate in the near future, we highly recommend that you review the 14 day weather forecast for Hakodate before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 0° / -3° | 7 | 3 | 22 | 54 mm | Awful | Hakodate in January |
| February | 0° / -3° | 7 | 3 | 20 | 54 mm | Awful | Hakodate in February |
| March | 4° / 0° | 9 | 8 | 14 | 62 mm | Awful | Hakodate in March |
| April | 9° / 4° | 6 | 21 | 3 | 53 mm | Bad | Hakodate in April |
| May | 13° / 9° | 6 | 25 | 0 | 65 mm | Ok | Hakodate in May |
| June | 17° / 13° | 5 | 25 | 0 | 71 mm | Good | Hakodate in June |
| July | 21° / 18° | 6 | 25 | 0 | 100 mm | Good | Hakodate in July |
| August | 23° / 20° | 7 | 24 | 0 | 118 mm | Good | Hakodate in August |
| September | 21° / 17° | 6 | 24 | 0 | 89 mm | Good | Hakodate in September |
| October | 15° / 11° | 5 | 26 | 0 | 77 mm | Good | Hakodate in October |
| November | 9° / 5° | 8 | 16 | 5 | 81 mm | Awful | Hakodate in November |
| December | 3° / -1° | 10 | 5 | 17 | 72 mm | Awful | Hakodate in December |