Guiyang climate — normals and trends
Guiyang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.9 °C and it receives 1,482 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (23.2 °C on average) and the coldest is January (4.9 °C). Rainfall peaks in June.
Guiyang averages 19 frost days, 9 hot days (≥ 30 °C) and 205 rainy days per year.
Guiyang has warmed by +1.0 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.
The number of frost days there went from about 24 to 14 per year over the period.
The hottest day of the period reached 35.0 °C (on 27 August 2024) and the coldest -14.8 °C (on 10 February 1977).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GuiyangGuizhou
- coords
- 26.58°, 106.72°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.9°C
Average daily high
18.6°C
Average daily low
11.9°C
Annual rainfall
1,482mm
Sunshine / day
5.6h
Mean relative humidity
82%
Average peak wind
16.7km/h
Seasonal range
18.3°C
Frost days (< 0 °C)
19 d/yr
Hot days (≥ 30 °C)
9 d/yr
Rainy days (≥ 1 mm)
205 d/yr
Annual snowfall
17.0 cm
Average feels-like high
18.1 °C
Average feels-like low
10.9 °C
Average peak gust
34.9 km/h
Tropical nights (≥ 20 °C)
51 d/yr
Solar radiation
11.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.0 °C
since 1940
+0.1 °C per decade · r² = 0.29 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
35.0 °C
27 August 2024
Coldest day
-14.8 °C
10 February 1977
Wettest day
101 mm
27 June 1954
Windiest day
51.5 km/h
28 May 1946
Strongest gust
90.4 km/h
6 June 1946
Hottest feels-like
39.0 °C
27 July 1971
Coldest feels-like
-18.9 °C
10 February 1977
Snowiest day
12.7 cm
28 December 1983
Sunniest day
13.7 h
17 June 1941
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 10.4 °C | +2.3 °C | 43 mm | -20 mm |
| Feb | 7.2 °C | -2.9 °C | 77 mm | +11 mm |
| Mar | 14.9 °C | -0.3 °C | 58 mm | -44 mm |
| Apr | 22.6 °C | +2.8 °C | 81 mm | -70 mm |
| May | 23.7 °C | +0.8 °C | 208 mm | -0 mm |
| Jun | 25.7 °C | +0.8 °C | 208 mm | -36 mm |
| Jul | 28.8 °C | +1.9 °C | 176 mm | +10 mm |
| Aug | 28.2 °C | +1.2 °C | 138 mm | +3 mm |
| Sep | 26.1 °C | +1.8 °C | 102 mm | -7 mm |
| Oct | 20.9 °C | +1.6 °C | 58 mm | -56 mm |
| Nov | 15.0 °C | +0.2 °C | 74 mm | +4 mm |
| Dec | 11.7 °C | +1.7 °C | 44 mm | -9 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Guiyang?
Guiyang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.9 °C and it receives 1,482 mm of precipitation per year.
What is the hottest day ever recorded in Guiyang?
The hottest day measured in Guiyang between 1940 and 2025 was 27 August 2024, reaching 35.0 °C.
What is the coldest day in Guiyang?
The coldest day measured in Guiyang between 1940 and 2025 was 10 February 1977, at -14.8 °C.
Does it snow in Guiyang?
Yes. Guiyang gets on average 17.0 cm of snow per year and has around 19 frost days.
Has the climate of Guiyang warmed?
Yes: Guiyang warmed by +1.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Guiyang?
The wettest day measured in Guiyang between 1940 and 2025 was 27 June 1954, with 101 mm of rain in 24 hours.
What was the windiest day in Guiyang?
The windiest day measured in Guiyang between 1940 and 2025 was 28 May 1946, with winds reaching 51.5 km/h.
What is the warmest month in Guiyang?
The warmest month in Guiyang is July (23.2 °C on average); the coldest is January (4.9 °C).
How much does it rain in Guiyang?
Guiyang receives on average 1,482 mm of precipitation per year, spread over about 205 rainy days.
Is it sunny in Guiyang?
Guiyang gets on average 5.6 hours of sunshine per day, roughly 2,044 hours per year over 1940-2025.
What is the biggest single-day snowfall in Guiyang?
The heaviest 24-hour snowfall measured in Guiyang between 1940 and 2025 was 28 December 1983, with 12.7 cm.
Are there tropical nights in Guiyang?
Yes: Guiyang has on average 51 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Guiyang?
In Guiyang, between 1940 and 2025, the highest apparent temperature reached 39.0 °C on 27 July 1971, and the lowest was -18.9 °C on 10 February 1977.
Compare Guiyang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Guiyang