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Hakodate weather by month and the best time to visit

Updated October 2026Sources
Jun–OctBest time to visit

When to go to Hakodate

Jun–Sep is cool and bright with no rainy season; squid season is Jun–Dec. Winter has snow and a Christmas Fantasy in December; Oct is color and crisp air.

Hakodate weather by month

Average daily high, rainfall and conditions.

PleasantHotRainyCool or coldBest months
-5°0°5°10°15°20°25°JFMAMJJASOND
Average highAverage lowRainfall

Monthly averages

MonthHighLowRainHumidityConditions
January0°C32°F-3°C26°F82 mm88%Freezing
February0°C33°F-4°C26°F69 mm85%Freezing
March4°C40°F-1°C31°F68 mm81%Cold
April10°C49°F3°C38°F74 mm81%Cold
May15°C59°F8°C47°F85 mm83%Cool
June20°C67°F13°C55°F85 mm85%Pleasant
July23°C73°F17°C63°F129 mm88%Pleasant
August25°C77°F20°C67°F151 mm86%Pleasant
September22°C71°F17°C62°F130 mm82%Pleasant
October16°C61°F11°C51°F105 mm79%Cool
November9°C48°F4°C40°F116 mm83%Cold
December2°C36°F-1°C30°F107 mm87%Freezing

Best months across Japan

PlaceBest monthsWarmest month
TokyoMar–May, Oct–NovAug (30°C)
KyotoMar–May, Oct–NovAug (31°C)
OsakaMar–May, Oct–NovAug (32°C)
HiroshimaMar–May, Oct–NovAug (32°C)
NaraMar–May, Oct–NovAug (31°C)
SapporoFeb, Jun–SepAug (26°C)
OkinawaApr–Jun, Oct–NovAug (30°C)
HakoneApr–May, Oct–DecAug (24°C)
FukuokaMar–May, Oct–NovAug (32°C)
KawaguchikoOct–FebAug (26°C)
NisekoJul–Aug, Dec–MarAug (24°C)
YokohamaMar–May, Oct–NovAug (31°C)
KanazawaApr–May, Oct–NovAug (31°C)
TakayamaApr–May, Oct–NovAug (29°C)
NagoyaMar–May, Oct–NovAug (31°C)
NikkoMay, Jul–Aug, Oct–NovAug (28°C)
KamakuraMar–May, Oct–NovAug (31°C)
KobeMar–May, Oct–NovAug (30°C)
HakubaJan–Feb, Jul–SepAug (28°C)
IshigakiApr–May, Jul, Sep–OctJul (29°C)
NagasakiMar–May, Oct–NovAug (31°C)
Shirakawa-goFeb, May, Oct–NovAug (28°C)
MiyakojimaApr–Jun, Sep–OctJul (29°C)
HakodateJun–OctAug (25°C)
OtaruFeb, Jun–SepAug (26°C)
BeppuMar–May, Oct–NovAug (31°C)
MatsumotoApr–May, Sep–NovAug (29°C)
KoyasanApr–May, Oct–NovAug (27°C)
FuranoJan–Feb, Jul–AugAug (25°C)
SendaiApr–May, Sep–NovAug (29°C)

Quick answers

What is the best month to visit Hakodate?

Jun–Oct. Jun–Sep is cool and bright with no rainy season; squid season is Jun–Dec. Winter has snow and a Christmas Fantasy in December; Oct is color and crisp air.

When is the rainy season in Hakodate?

Rain peaks in August with about 151 mm. Months with 150 mm or more: Aug.

What is the hottest month in Hakodate?

August, with average highs of 25°C (77°F).

How cold does Hakodate get?

The coolest nights are in February, averaging -4°C (26°F).

More about Hakodate

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Sources

Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 0.8°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.