The highest day temperature in June 2025 was 90°F. The lowest night temperature was 61°F. The average values for day and night temperatures during June were 80.1°F и 72.3°F respectivly.

The average sea surface temperature in June 2025 for Hakone was 75.3°F. The maximum and minimum values were 70.2°F and 81.2°F respectively.

You can expect various weather conditions during June. Be ready for sunny, cloudy or even gloomy days.

Precipitation total in June for Hakone is 6.0 in. It makes june the most rainy month of the year.

The average wind speed in June is 6.9 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hakone in June is 7.2 hours.