Temperature
Cold by day, freezing at night.
Cold weather is the main limitation.
Cold by day, freezing at night.
Some precipitation is expected this month.
Good sunshine this month.
Humidity is rarely noticeable in the cool air.
In December, afternoons feel about 6° and nights feel near -6°.
Mostly clear skies this month.
Calm winds are typical in December.
December late afternoons are around 15°F, easing to about 10°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 14 | -5 | 0.2 | 1 | 8.0 | 64 |
| Feb | 24 | 4 | 0.2 | 2 | 9.0 | 56 |
| Mar | 39 | 21 | 0.7 | 4 | 9.9 | 49 |
| Apr | 58 | 38 | 1.1 | 5 | 10.3 | 46 |
| May | 71 | 51 | 2.6 | 9 | 10.5 | 51 |
| Jun | 80 | 62 | 3.9 | 12 | 11.1 | 63 |
| Jul | 82 | 68 | 6.6 | 14 | 10.0 | 76 |
| Aug | 80 | 65 | 5.4 | 12 | 9.5 | 77 |
| Sep | 72 | 52 | 2.5 | 8 | 9.6 | 68 |
| Oct | 56 | 37 | 1.4 | 6 | 8.6 | 59 |
| Nov | 35 | 18 | 0.8 | 4 | 7.3 | 64 |
| Dec | 18 | -0 | 0.3 | 3 | 7.4 | 65 |
Similar climates
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.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 26, 2026
Data & methodology