City break

Hakodate weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

75

Holiday weather in June

Good

Best time to visit: June – September

What is the weather like in Hakodate in June?

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.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score557565
Day14°18°22°
Night8°13°18°
Sea11°15°19°
Sun6 h6 h4 h
Rain days121113

More details for June

Daylight
15 h 11 min04:01 – 19:13
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
1 daydew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
72 %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 %100 %
  • Sunshineweight 20 %47 %
  • Few rainy daysweight 30 %52 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in June

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Hakodate in June: quick answers

Is Hakodate hot in June?

No. In June, Hakodate is mild: daytime highs average 18 °C and nights drop to about 13 °C.

Can you swim in Hakodate in June?

Only if you don't mind cold water: in June the sea averages just 14.8 °C. Comfortable swimming is possible from August to September.

Does it rain much in Hakodate in June?

Rain is frequent, with about 11 rainy days and 96 mm in total.

Hakodate month by month

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