Jiuchao climate — normals and trends
Jiuchao (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.2 °C and it receives 1,732 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 (26.1 °C on average) and the coldest is January (6.5 °C). Rainfall peaks in June.
Jiuchao averages 10 frost days, 50 hot days (≥ 30 °C) and 211 rainy days per year.
Jiuchao 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 14 to 6 per year over the period.
The hottest day of the period reached 38.0 °C (on 17 August 1989) and the coldest -11.7 °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
JiuchaoGuizhou
- coords
- 26.09°, 108.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.2°C
Average daily high
20.9°C
Average daily low
14.0°C
Annual rainfall
1,732mm
Sunshine / day
6.1h
Mean relative humidity
79%
Average peak wind
11.5km/h
Seasonal range
19.6°C
Frost days (< 0 °C)
10 d/yr
Hot days (≥ 30 °C)
50 d/yr
Rainy days (≥ 1 mm)
211 d/yr
Annual snowfall
5.8 cm
Average feels-like high
21.8 °C
Average feels-like low
14.3 °C
Average peak gust
31.0 km/h
Tropical nights (≥ 20 °C)
115 d/yr
Solar radiation
11.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.2 °C
since 1940
+0.1 °C per decade · r² = 0.40 · 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
38.0 °C
17 August 1989
Coldest day
-11.7 °C
10 February 1977
Wettest day
154 mm
28 June 1981
Windiest day
31.0 km/h
2 May 1981
Strongest gust
92.5 km/h
6 July 1946
Hottest feels-like
42.8 °C
24 July 1958
Coldest feels-like
-16.1 °C
10 February 1977
Snowiest day
17.0 cm
28 December 1983
Sunniest day
13.4 h
23 June 1947
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 14.5 °C | +4.7 °C | 36 mm | -49 mm |
| Feb | 9.0 °C | -2.2 °C | 106 mm | -1 mm |
| Mar | 17.3 °C | +1.3 °C | 87 mm | -71 mm |
| Apr | 25.9 °C | +4.5 °C | 133 mm | -76 mm |
| May | 26.2 °C | +1.0 °C | 247 mm | -2 mm |
| Jun | 28.2 °C | +0.5 °C | 396 mm | +127 mm |
| Jul | 32.0 °C | +2.3 °C | 130 mm | -52 mm |
| Aug | 31.0 °C | +1.1 °C | 163 mm | +16 mm |
| Sep | 29.0 °C | +1.3 °C | 93 mm | +4 mm |
| Oct | 24.4 °C | +1.7 °C | 28 mm | -63 mm |
| Nov | 18.0 °C | +0.6 °C | 105 mm | +27 mm |
| Dec | 14.8 °C | +2.7 °C | 42 mm | -24 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 Jiuchao?
Jiuchao has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.2 °C and it receives 1,732 mm of precipitation per year.
What is the hottest day ever recorded in Jiuchao?
The hottest day measured in Jiuchao between 1940 and 2025 was 17 August 1989, reaching 38.0 °C.
What is the coldest day in Jiuchao?
The coldest day measured in Jiuchao between 1940 and 2025 was 10 February 1977, at -11.7 °C.
Does it snow in Jiuchao?
Yes. Jiuchao gets on average 5.8 cm of snow per year and has around 10 frost days.
Has the climate of Jiuchao warmed?
Yes: Jiuchao warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Jiuchao?
The wettest day measured in Jiuchao between 1940 and 2025 was 28 June 1981, with 154 mm of rain in 24 hours.
What was the windiest day in Jiuchao?
The windiest day measured in Jiuchao between 1940 and 2025 was 2 May 1981, with winds reaching 31.0 km/h.
What is the warmest month in Jiuchao?
The warmest month in Jiuchao is July (26.1 °C on average); the coldest is January (6.5 °C).
How much does it rain in Jiuchao?
Jiuchao receives on average 1,732 mm of precipitation per year, spread over about 211 rainy days.
Is it sunny in Jiuchao?
Jiuchao gets on average 6.1 hours of sunshine per day, roughly 2,227 hours per year over 1940-2025.
What is the biggest single-day snowfall in Jiuchao?
The heaviest 24-hour snowfall measured in Jiuchao between 1940 and 2025 was 28 December 1983, with 17.0 cm.
Are there tropical nights in Jiuchao?
Yes: Jiuchao has on average 115 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Jiuchao?
In Jiuchao, between 1940 and 2025, the highest apparent temperature reached 42.8 °C on 24 July 1958, and the lowest was -16.1 °C on 10 February 1977.
Compare Jiuchao with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Jiuchao