Temperature
Warm by day, mild at night.
83°Ftypical Aug high
Nozawa Onsen is most comfortable in spring. Summers are warm and winters are cold. Rain is frequent in most months. Humidity is usually low.

Warm by day, mild at night.
Rain most days.
Cloudier spells limit sunshine.
The air feels humid this month.
Mostly cloudy skies.
Want a side-by-side climate view? Compare Nozawa Onsen with Nagano.
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 25, 2026
Data & methodology