AI-generatedHakodate at a glance
- Best time
- Jun – Sep
- Warmest month
- Aug · 24°
- Warmest sea
- Aug · 23.0°
- Sunshine a year
- 1,750 h
- Rain a year
- 1,201 mm
- Climate
- Continental
- Time zone
- UTC+9
- Elevation
- 5 m
Climate in Hakodate
Hakodate has warm to hot summers and cold winters with occasional snow. August is the warmest month with average highs of 24 °C, while January is the coolest at 0 °C. With around 1,750 hours of sunshine a year, Hakodate is moderately sunny; May is the sunniest month with 6.4 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Fair
Best time to visit: June – September
Good forSightseeing & walks
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 13°
- Midday, 13:00: about 16°
- Afternoon, 16:00: about 15°
- Evening, 20:00: about 13°
- Night, 23:00: about 12°
05:4816:58
Cool evenings: pack a jumper or a jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 05:31–06:25 · evening 16:20–17:15
- Blue hour
- Morning 05:20–05:31 · evening 17:15–17:26
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Hakodate in October?
In October, Hakodate is cool: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 19.3 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 111 mm in total. All in all, October is a so-so month for a holiday in Hakodate.
More details for October
- Daylight
- 11 h 10 min05:48 – 16:58
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 22 km/haverage daily peakAll months
- Cloud cover
- 56 %on averageAll months
- Hot days
- 0 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %76 %
- Sunshineweight 20 %38 %
- Few rainy daysweight 30 %43 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Sea temperature in Hakodate
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 18.1 – 20.5 °C
Swimming season: Aug – Sep
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Hakodate ranges from 7.8 °C in February to 23.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from August to September.
From September to March the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 21.5 and 24.9 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 9.9° | 8.7° | 11.2° | cold |
| FebruaryFeb | 7.8° | 5.4° | 9.8° | cold |
| MarchMar | 7.8° | 6.5° | 9.2° | cold |
| AprilApr | 8.9° | 8.1° | 9.8° | cold |
| MayMay | 11.1° | 10.1° | 12.1° | cold |
| JuneJun | 14.8° | 13.8° | 15.6° | cold |
| JulyJul | 19.3° | 18.1° | 20.4° | fresh |
| AugustAug | 23.0° | 21.5° | 24.9° | pleasant |
| SeptemberSep | 22.9° | 21.6° | 24.6° | refreshing |
| OctoberOct | 19.3° | 18.1° | 20.5° | fresh |
| NovemberNov | 15.7° | 14.6° | 16.7° | cold |
| DecemberDec | 12.8° | 11.8° | 14.0° | cold |
Sunshine hours in Hakodate
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 5.3 of 11.2 hours of daylight in Hakodate, 47 % of the day.
Sunshine hours: measured at the weather station 5 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Hakodate
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.
The sun is strongest in June (UV 9).
Minutes until sunburn in October
- Very fair skin
- about 35 min
- Fair skin
- about 45 min
- Light brown skin
- about 65 min
- Olive skin
- about 80 min
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Hakodate: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Hakodate has about 12 rainy days with 111 mm of rain in total.
Wind and clouds in Hakodate
How breezy and how cloudy Hakodate is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Hakodate typically peaks at 22 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting: Oct – Apr.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 56 % of the sky over Hakodate: variable cloud, with about 5.3 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Heat and humidity in Hakodate
How often the day gets hot in Hakodate (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.
Heat calendar
- pleasant
- some hot or muggy days
- often muggy
- often hot
- hot and muggy
In October, Hakodate has about 0 hot days, with an average daytime high of 16 °C: pleasant. Heat plays no part this month.
Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year
Snow in Hakodate
When Hakodate is likely to be white: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Hakodate.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Hakodate
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
- Pleasant 15–20°
- Warm 20–24°
- muggy month (10+ muggy days)
CoolOctober: nights around 11°. A duvet at night and a jumper for the evening.
The coolest nights are in February (−5°), the warmest in August (20°). Tropical nights of 20 °C and more are the rule in August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) in July and in September. Nights fall below 8 °C on average from November to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 43 days a year, mostly from July to August.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 19 | 0° | −5° | 9.9° | 3.3 h | 10 | 53 |
| FebruaryFeb | 24 | 0° | −5° | 7.8° | 4.2 h | 9 | 50 |
| MarchMar | 22 | 4° | −2° | 7.8° | 5.1 h | 11 | 71 |
| AprilApr | 35 | 10° | 3° | 8.9° | 6.2 h | 10 | 77 |
| MayMay | 55 | 14° | 8° | 11.1° | 6.4 h | 12 | 100 |
| JuneJun | 75 | 18° | 13° | 14.8° | 5.8 h | 11 | 96 |
| JulyJul | 65 | 22° | 18° | 19.3° | 4.3 h | 13 | 138 |
| AugustAug | 65 | 24° | 20° | 23.0° | 4.8 h | 14 | 186 |
| SeptemberSep | 70 | 22° | 17° | 22.9° | 5.4 h | 12 | 154 |
| OctoberOct | 59 | 16° | 11° | 19.3° | 5.3 h | 12 | 111 |
| NovemberNov | 18 | 9° | 4° | 15.7° | 3.6 h | 12 | 94 |
| DecemberDec | 15 | 2° | −2° | 12.8° | 3.0 h | 11 | 72 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
41.78° N, 140.74° E · 5 m · Asia/Tokyo
Best time to visit Hakodate
The best time to visit Hakodate is from June to September. The sea stays too cool for a classic beach holiday: even in August it only reaches 23.0 °C. For sightseeing, day trips and hiking, conditions are most comfortable in June and in October. Rain is most frequent in May and from July to November; the wettest month is August with 186 mm.
Hakodate through the seasons
How the weather changes over the seasons, with averages for each.
Hakodate in spring
Mar – May
Poor
- 4–14 °C by day
- Sea 9 °C
- 6 h of sun a day
- 33 rainy days in all
Hakodate in summer
Jun – Aug
Good
- 18–24 °C by day
- Sea 19 °C
- 5 h of sun a day
- 38 rainy days in all
Hakodate in autumn
Sep – Nov
Fair
- 9–22 °C by day
- Sea 19 °C
- 5 h of sun a day
- 37 rainy days in all
Hakodate in winter
Dec – Feb
Poor
- 0–2 °C by day
- Sea 10 °C
- 4 h of sun a day
- 29 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Hakodate for you.
Your best months: July – September
Based on the climate averages; tap a month to see its details.
Compare two months in Hakodate
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Hakodate: score 75 against 59. In June, days are 2 °C warmer than in October. The sea is 4 °C cooler in June. June has one rainy day fewer. The sun shines an hour longer a day in June.
| Month | October | June |
|---|---|---|
| Weather score | 59 | 75better |
| Day high | 16° | 18° |
| Night low | 11° | 13° |
| Sea | 19.3° | 14.8° |
| Sunshine | 5.3 h | 5.8 hbetter |
| Rainy days | 12 | 11better |
| Rainfall | 111 mm | 96 mmbetter |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
Jun, Oct
15–28 °C and not too much rain
Rainy months
May, Jul – Nov
12 or more rainy days
Snow
Dec – Mar
Snow on 2 or more days
Hakodate month by month
The typical weather for every month at a glance.
19January0° · Sea 10° · 3 h
In January, Hakodate is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−5 °C). The sea averages 9.9 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 53 mm. Snow falls on about 7 days. All in all, January is not an ideal month for a holiday in Hakodate.
Hakodate in January24February0° · Sea 8° · 4 h
In February, Hakodate is freezing cold: daytime highs average 0 °C, and nights often drop below freezing (−5 °C). The sea averages 7.8 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Precipitation, often as snow, falls on about 9 days, totalling 50 mm. Snow falls on about 6 days. All in all, February is not an ideal month for a holiday in Hakodate.
Hakodate in February22March4° · Sea 8° · 5 h
In March, Hakodate is cold: daytime highs average 4 °C, and nights often drop below freezing (−2 °C). The sea averages 7.8 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 71 mm in total. Snow falls on about 6 days. All in all, March is not an ideal month for a holiday in Hakodate.
Hakodate in March35April10° · Sea 9° · 6 h
In April, Hakodate is cold: daytime highs average 10 °C, and nights cool down to about 3 °C. The sea averages 8.9 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 77 mm in total. All in all, April is not an ideal month for a holiday in Hakodate.
Hakodate in April55May14° · Sea 11° · 6 h
In May, Hakodate is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sea averages 11.1 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 100 mm in total. All in all, May is a so-so month for a holiday in Hakodate.
Hakodate in May75June18° · Sea 15° · 6 h
In June, Hakodate is mild: daytime highs average 18 °C, and nights cool down to about 13 °C. The sea averages 14.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 96 mm in total. All in all, June is a good month for a holiday in Hakodate.
Hakodate in June65July22° · Sea 19° · 4 h
In July, Hakodate is warm: daytime highs average 22 °C, and nights cool down to about 18 °C. The sea averages 19.3 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 138 mm in total. All in all, July is a good month for a holiday in Hakodate.
Hakodate in July65August24° · Sea 23° · 5 h
In August, Hakodate is warm: daytime highs average 24 °C, and even at night it stays warm at around 20 °C. The sea averages 23.0 °C – pleasant for swimming. Expect around 5 hours of sunshine a day. It rains often – on about 14 days, adding up to 186 mm. The air is often humid and muggy. All in all, August is a good month for a holiday in Hakodate.
Hakodate in August70September22° · Sea 23° · 5 h
In September, Hakodate is warm: daytime highs average 22 °C, and nights cool down to about 17 °C. The sea averages 22.9 °C – refreshing for a swim. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 154 mm in total. All in all, September is a good month for a holiday in Hakodate.
Hakodate in September59October16° · Sea 19° · 5 h
In October, Hakodate is cool: daytime highs average 16 °C, and nights cool down to about 11 °C. The sea averages 19.3 °C – bracing, so a wetsuit helps for longer swims. Expect around 5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 111 mm in total. All in all, October is a so-so month for a holiday in Hakodate.
Hakodate in October18November9° · Sea 16° · 4 h
In November, Hakodate is cold: daytime highs average 9 °C, and nights cool down to about 4 °C. The sea averages 15.7 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 94 mm in total. Snow falls on about 2 days. All in all, November is not an ideal month for a holiday in Hakodate.
Hakodate in November15December2° · Sea 13° · 3 h
In December, Hakodate is freezing cold: daytime highs average 2 °C, and nights often drop below freezing (−2 °C). The sea averages 12.8 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 11 days, totalling 72 mm. Snow falls on about 7 days. All in all, December is not an ideal month for a holiday in Hakodate.
Hakodate in DecemberHakodate compared
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Hakodate vs. Aomori
In October the holiday weather in Hakodate and Aomori is about equally good (score 59 vs. 62). During the day Aomori is 1 °C warmer than Hakodate. The sea is about equally warm.
| in October | Hakodate | Aomori |
|---|---|---|
| Holiday score | 59 | 62 |
| Daytime high | 16° | 17° |
| Sea | 19° | 19° |
| Sunshine | 5 h | 5 h |
| Rainy days | 12 | 12 |
| Best time | Jun – Sep | May – Oct |
Through the year
Japan in October: the best places
In October, Hakodate ranks 30 among the 31 nearest destinations in this country.
- Hiroshima22°23°81
- 2Fukuoka22°23°81
- 3Nagasaki23°24°81
- 4Kumamoto23°23°80
- 5Kitakyūshū22°23°79
- 6Okayama22°24°78
- 7Kagoshima24°26°77
- 8Nagoya22°75
- 30HakodateThis page16°19°59
Planning a trip to Hakodate
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Hakodate in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Hakodate has its best school-holiday weather during the summer holidays (score 65) and its weakest during the Christmas holidays (score 17).
- 31
Easter holidays
Mar – Apr
Poor
- 8 °C by day
- Sea 9 °C
- 5.9 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
- 59
May half-term
May – Jun
Fair
- 15 °C by day
- Sea 12 °C
- 6.3 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 65
Summer holidays
Jul – Aug
GoodBest holidays
- 23 °C by day
- Sea 22 °C
- 4.6 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 59
October half-term
Oct
Fair
- 16 °C by day
- Sea 19 °C
- 5.3 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
Keep in mind: Frequent rain
- 17
Christmas holidays
Dec – Jan
Poor
- 1 °C by day
- Sea 11 °C
- 3.2 h of sun a day
- 10 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 11 h 20 min
- Distance
- 8,990 km
- Time zone
- UTC+9
- Jet lag
- About 8 days (8 h east)
Rule of thumb for flying east: for a few days before, go to bed and get up a little earlier, and get plenty of morning light at your destination.
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Hakodate
When is the best time to visit Hakodate?
The best time to visit Hakodate is from June to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Hakodate?
The sea temperature in Hakodate ranges from 7.8 °C in February to 23.0 °C in August. It is warm enough for a comfortable swim (20 °C and more) from August to September.
Can you swim in Hakodate in October?
Only if you don't mind cold water: in October the sea averages just 19.3 °C. Comfortable swimming is possible from August to September.
What is the warmest month in Hakodate?
August is the warmest month, with average highs of 24 °C and nights around 20 °C. January is the coolest month at 0 °C.
When does it rain most in Hakodate?
Rain is most frequent in May and from July to November; the wettest month is August with 186 mm. The driest month is February with 50 mm.
How many hours of sunshine does Hakodate get?
Hakodate gets around 1,750 hours of sunshine a year. The sunniest month is May with 6.4 hours a day; in December there are 3.0 hours a day.
What time zone is Hakodate in?
Hakodate uses the time zone Asia/Tokyo, at UTC+9 all year.
How long is the flight from London to Hakodate?
A nonstop flight from London to Hakodate takes about 11 h 20 min, for a straight-line distance of about 8,990 km.
Which school holidays are best for Hakodate?
Hakodate has its best school-holiday weather during the summer holidays (score 65) and its weakest during the Christmas holidays (score 17). Holiday ratings (0–100): Easter holidays 31, May half-term 59, Summer holidays 65, October half-term 59, Christmas holidays 17.
Near Hakodate
Other destinations close by.
Places with a climate like Hakodate
Destinations whose weather through the year is closest to Hakodate's – good alternatives.