Zunyi climate — normals and trends
Zunyi (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.1 °C and it receives 1,726 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 (24.8 °C on average) and the coldest is January (4.3 °C). Rainfall peaks in June.
Zunyi averages 18 frost days, 31 hot days (≥ 30 °C) and 217 rainy days per year.
Zunyi has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.
The number of frost days there went from about 25 to 11 per year over the period.
The hottest day of the period reached 38.9 °C (on 24 July 1961) and the coldest -12.2 °C (on 9 January 1949).
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
ZunyiGuizhou
- coords
- 27.69°, 106.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.1°C
Average daily high
18.7°C
Average daily low
12.2°C
Annual rainfall
1,726mm
Sunshine / day
5.2h
Mean relative humidity
81%
Average peak wind
12.6km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
18 d/yr
Hot days (≥ 30 °C)
31 d/yr
Rainy days (≥ 1 mm)
217 d/yr
Annual snowfall
24.7 cm
Average feels-like high
18.7 °C
Average feels-like low
11.8 °C
Average peak gust
27.9 km/h
Tropical nights (≥ 20 °C)
71 d/yr
Solar radiation
10.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.37 · 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
38.9 °C
24 July 1961
Coldest day
-12.2 °C
9 January 1949
Wettest day
141 mm
24 June 2000
Windiest day
47.9 km/h
24 May 1946
Strongest gust
86.8 km/h
25 April 1983
Hottest feels-like
42.2 °C
24 July 1961
Coldest feels-like
-15.9 °C
9 January 1949
Snowiest day
10.4 cm
29 January 1977
Sunniest day
13.8 h
19 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 | 9.7 °C | +2.8 °C | 63 mm | -9 mm |
| Feb | 7.5 °C | -1.3 °C | 59 mm | -14 mm |
| Mar | 14.6 °C | +0.3 °C | 67 mm | -57 mm |
| Apr | 22.4 °C | +2.8 °C | 112 mm | -71 mm |
| May | 24.3 °C | +1.1 °C | 330 mm | +92 mm |
| Jun | 26.8 °C | +1.0 °C | 229 mm | -18 mm |
| Jul | 30.6 °C | +1.8 °C | 165 mm | -12 mm |
| Aug | 31.1 °C | +2.1 °C | 76 mm | -72 mm |
| Sep | 28.0 °C | +2.8 °C | 147 mm | +11 mm |
| Oct | 21.7 °C | +2.5 °C | 151 mm | -4 mm |
| Nov | 14.9 °C | +0.6 °C | 111 mm | +7 mm |
| Dec | 11.2 °C | +2.2 °C | 69 mm | -1 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 Zunyi?
Zunyi has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.1 °C and it receives 1,726 mm of precipitation per year.
What is the hottest day ever recorded in Zunyi?
The hottest day measured in Zunyi between 1940 and 2025 was 24 July 1961, reaching 38.9 °C.
What is the coldest day in Zunyi?
The coldest day measured in Zunyi between 1940 and 2025 was 9 January 1949, at -12.2 °C.
Does it snow in Zunyi?
Yes. Zunyi gets on average 24.7 cm of snow per year and has around 18 frost days.
Has the climate of Zunyi warmed?
Yes: Zunyi warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Zunyi?
The wettest day measured in Zunyi between 1940 and 2025 was 24 June 2000, with 141 mm of rain in 24 hours.
What was the windiest day in Zunyi?
The windiest day measured in Zunyi between 1940 and 2025 was 24 May 1946, with winds reaching 47.9 km/h.
What is the warmest month in Zunyi?
The warmest month in Zunyi is July (24.8 °C on average); the coldest is January (4.3 °C).
How much does it rain in Zunyi?
Zunyi receives on average 1,726 mm of precipitation per year, spread over about 217 rainy days.
Is it sunny in Zunyi?
Zunyi gets on average 5.2 hours of sunshine per day, roughly 1,898 hours per year over 1940-2025.
What is the biggest single-day snowfall in Zunyi?
The heaviest 24-hour snowfall measured in Zunyi between 1940 and 2025 was 29 January 1977, with 10.4 cm.
Are there tropical nights in Zunyi?
Yes: Zunyi has on average 71 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Zunyi?
In Zunyi, between 1940 and 2025, the highest apparent temperature reached 42.2 °C on 24 July 1961, and the lowest was -15.9 °C on 9 January 1949.
Compare Zunyi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Zunyi