Temperature
Warm by day, mild at night.
Changchun is most comfortable in early autumn. Summers are warm and winters are cold. The wettest months are roughly July to August. Humidity is usually low.
Warm by day, mild at night.
One of the wettest months.
Cloudier spells limit sunshine.
Warm days, with some hot afternoons and occasional humid spells.
In August, afternoons feel about 68° and nights feel near 78°.
Partly cloudy across the month.
August late afternoons are around 67°F, and early evening stays near 66°F.
Calm winds are typical in August.
Want a side-by-side climate view? Compare Changchun with Seoul.
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 27, 2026
Data & methodology