Temperature
Warm by day, warm at night.
Hitachi Seaside Park is most comfortable in spring. Summers are warm and winters are cool. Rain is frequent in most months.

Warm by day, warm at night.
Recurring showers across the month.
Cloudier spells limit sunshine.
Hot afternoons occur, with humid air through much of the month.
In August, afternoons feel about 89° and nights feel near 83°.
Mostly cloudy skies.
August late afternoons are around 82°F, easing to about 79°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Hitachi Seaside Park with Hangzhou.
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: Jul 31, 2026
Data & methodology