Temperature
Hot by day, warm at night.
85°Ftypical Aug high
Hakone is most comfortable in March, November, and December. Summers are warm and winters are cool.

Hot by day, warm at night.
Recurring showers across the month.
Cloudier spells limit sunshine.
Warm days, with some hot afternoons and occasional humid spells.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Hakone with Nikko.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology