Temperature
Cool by day, cold at night.
Cool days.

Cool by day, cold at night.
Several rainy days. About 11 wet days, the lowest monthly average.
Sunshine is limited, with cloud often dominating.
Humidity is rarely noticeable in the cool air.
In December, afternoons feel about 40° and nights feel near 34°.
Mostly cloudy skies this month.
Calm winds are typical in December.
December late afternoons are around 46°F, easing to about 44°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 47 | 37 | 2.6 | 15 | 3.3 | 84 |
| Feb | 53 | 41 | 2.4 | 13 | 3.8 | 82 |
| Mar | 60 | 47 | 3.9 | 17 | 4.3 | 81 |
| Apr | 69 | 56 | 5.1 | 18 | 5.6 | 79 |
| May | 75 | 62 | 7.6 | 19 | 6.4 | 80 |
| Jun | 79 | 68 | 9.3 | 20 | 6.7 | 83 |
| Jul | 82 | 71 | 6.6 | 18 | 8.7 | 80 |
| Aug | 83 | 69 | 4.9 | 16 | 9.0 | 79 |
| Sep | 78 | 64 | 4.0 | 12 | 7.2 | 79 |
| Oct | 68 | 56 | 4.2 | 14 | 4.6 | 83 |
| Nov | 61 | 48 | 2.4 | 11 | 4.5 | 83 |
| Dec | 51 | 40 | 1.9 | 11 | 3.8 | 82 |
Similar climates
Want a side-by-side climate view? Compare Guiyang with Tokyo.
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