Temperature
Warm by day, mild at night.
Hirosaki is most comfortable in May, June, and October. Summers are warm and winters are cold. Rain is frequent in most months. Humidity is usually low.

Warm by day, mild at night.
One of the wettest months.
Cloudier spells limit sunshine.
Hot afternoons occur, with humid air through much of the month.
In August, afternoons feel about 87° and nights feel near 77°.
Mostly cloudy skies.
August late afternoons are around 81°F, easing to about 76°F in early evening.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Hirosaki 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: Jul 31, 2026
Data & methodology