Hakodate weather by month & the best time to visit
Japan · seaside town · humid subtropical climate
The best time to visit Hakodate is June — its sunniest month (Sunshine Score 65/100), with July and September close behind. Hakodate averages about 1,408 hours of sunshine a year. Daytime highs around 19°C / 66°F and roughly 85 mm of rain in June.
When is the best time to visit Hakodate?
For sunshine, the best time to visit Hakodate is June, then July and September. The dullest month is January (0/100, 82 mm of rain). The full month-by-month picture is in the table below.
How sunny is Hakodate?
Hakodate isn't a sunny place by world standards: about 1,408 hours of sunshine a year. 65 Sunshine Score points separate June (65) from January (0), so the month you pick matters. It ranks #77 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. The year's 1,201 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 0 | 0° / 32°F | -4° / 25°F | 82 mm | 1 | 11° / 52°F |
| February | 0 | 0° / 32°F | -4° / 25°F | 69 mm | 1 | 9° / 48°F |
| March | 0 | 4° / 39°F | -1° / 30°F | 68 mm | 2 | 8° / 46°F |
| April | 12 | 10° / 50°F | 3° / 37°F | 74 mm | 4 | 11° / 52°F |
| May | 41 | 15° / 59°F | 8° / 46°F | 85 mm | 5 | 12° / 54°F |
| June | 65 | 19° / 66°F | 13° / 55°F | 85 mm | 5 | 16° / 61°F |
| July | 63 | 23° / 73°F | 17° / 63°F | 129 mm | 5 | 20° / 68°F |
| August | 59 | 25° / 77°F | 19° / 66°F | 151 mm | 6 | 25° / 77°F |
| September | 63 | 22° / 72°F | 16° / 61°F | 130 mm | 5 | 24° / 75°F |
| October | 45 | 16° / 61°F | 10° / 50°F | 105 mm | 3 | 20° / 68°F |
| November | 5 | 9° / 48°F | 4° / 39°F | 116 mm | 1 | 14° / 57°F |
| December | 0 | 2° / 36°F | -1° / 30°F | 107 mm | 1 | 11° / 52°F |
Sea temperature in Hakodate by month
The sea off Hakodate is warmest in August at around 25°C / 77°F, and coolest in March at 8°C / 46°F. The water sits at a comfortable 21°C or warmer roughly 2 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Head-to-head
How Hakodate compares month by month: Hakodate vs Sapporo · Hakodate vs Aomori · Hakodate vs Misawa · all comparisons
Hakodate: questions and answers
What kind of destination is Hakodate?
Hakodate is a seaside town in Japan with a humid subtropical climate — the sea reaches 25°C at its warmest and is swimmable (21°C+) about 2 months a year.
How many hours of sunshine does Hakodate get a year?
Hakodate gets about 1,408 hours of sunshine a year, at its best around June.
When is the best time to visit Hakodate?
The sunniest time to visit Hakodate is June, when the Sunshine Score peaks at 65/100 (with July and September close behind). Expect daytime highs around 19°C / 66°F.
What is the least sunny month in Hakodate?
January is the least sunny month in Hakodate, scoring 0/100 with about 82 mm of rain.
What is the sea temperature in Hakodate?
The sea in Hakodate ranges from about 8°C (March) to 25°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Hakodate?
The typical midday UV index in Hakodate peaks around 6 (high) in August, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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