Temperature
Cold by day, freezing at night.
Plenty of sun. Cold weather is the main drawback.
Cold by day, freezing at night.
Mostly dry. About 2 wet days, fewer than in most months.
Plenty of sun this month.
Humidity is rarely noticeable in the cool air.
In January, afternoons feel about 31° and nights feel near 14°.
Partly cloudy skies this month.
Calm winds are typical in January.
January late afternoons are around 36°F, easing to about 30°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 39 | 19 | 0.2 | 2 | 8.9 | 47 |
| Feb | 47 | 24 | 0.2 | 2 | 9.5 | 48 |
| Mar | 58 | 34 | 0.5 | 3 | 10.0 | 43 |
| Apr | 69 | 46 | 0.9 | 6 | 10.3 | 42 |
| May | 76 | 55 | 1.8 | 8 | 10.7 | 45 |
| Jun | 83 | 63 | 2.3 | 9 | 10.9 | 49 |
| Jul | 86 | 66 | 3.4 | 12 | 10.9 | 56 |
| Aug | 83 | 64 | 4.0 | 14 | 9.9 | 62 |
| Sep | 74 | 56 | 2.8 | 12 | 8.3 | 66 |
| Oct | 64 | 44 | 1.6 | 9 | 8.3 | 64 |
| Nov | 53 | 31 | 0.3 | 2 | 8.8 | 58 |
| Dec | 42 | 22 | 0.1 | 1 | 8.9 | 49 |
Similar climates
Want a side-by-side climate view? Compare Lanzhou 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