Yangzhou climate — normals and trends
Yangzhou (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 13.9 °C and it receives 1,347 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 (2.1 °C). Rainfall peaks in July.
Yangzhou averages 52 frost days, 29 hot days (≥ 30 °C) and 150 rainy days per year.
Yangzhou has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 67 to 37 per year over the period.
The hottest day of the period reached 38.2 °C (on 16 July 2025) and the coldest -18.6 °C (on 10 January 1955).
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
YangzhouShaanxi
- coords
- 33.22°, 107.54°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.9°C
Average daily high
18.0°C
Average daily low
10.3°C
Annual rainfall
1,347mm
Sunshine / day
7.6h
Mean relative humidity
79%
Average peak wind
7.1km/h
Seasonal range
22.7°C
Frost days (< 0 °C)
52 d/yr
Hot days (≥ 30 °C)
29 d/yr
Rainy days (≥ 1 mm)
150 d/yr
Annual snowfall
24.1 cm
Average feels-like high
18.6 °C
Average feels-like low
10.0 °C
Average peak gust
21.8 km/h
Tropical nights (≥ 20 °C)
58 d/yr
Solar radiation
13.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.51 · 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
38.2 °C
16 July 2025
Coldest day
-18.6 °C
10 January 1955
Wettest day
129 mm
31 May 1946
Windiest day
32.8 km/h
24 May 1946
Strongest gust
56.5 km/h
18 April 2013
Hottest feels-like
43.6 °C
24 July 1958
Coldest feels-like
-22.9 °C
10 January 1955
Snowiest day
12.9 cm
18 November 1993
Sunniest day
14.0 h
18 June 1940
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 | 8.7 °C | +2.4 °C | 43 mm | +14 mm |
| Feb | 9.1 °C | +0.5 °C | 19 mm | -16 mm |
| Mar | 14.7 °C | +1.0 °C | 42 mm | -23 mm |
| Apr | 24.5 °C | +5.2 °C | 14 mm | -71 mm |
| May | 28.0 °C | +4.7 °C | 49 mm | -69 mm |
| Jun | 29.5 °C | +2.7 °C | 76 mm | -60 mm |
| Jul | 32.2 °C | +3.5 °C | 125 mm | -101 mm |
| Aug | 30.3 °C | +2.1 °C | 183 mm | -13 mm |
| Sep | 23.0 °C | -0.1 °C | 474 mm | +260 mm |
| Oct | 17.2 °C | -0.7 °C | 308 mm | +174 mm |
| Nov | 14.3 °C | +1.8 °C | 54 mm | -21 mm |
| Dec | 10.1 °C | +2.6 °C | 31 mm | -2 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 Yangzhou?
Yangzhou has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 13.9 °C and it receives 1,347 mm of precipitation per year.
What is the hottest day ever recorded in Yangzhou?
The hottest day measured in Yangzhou between 1940 and 2025 was 16 July 2025, reaching 38.2 °C.
What is the coldest day in Yangzhou?
The coldest day measured in Yangzhou between 1940 and 2025 was 10 January 1955, at -18.6 °C.
Does it snow in Yangzhou?
Yes. Yangzhou gets on average 24.1 cm of snow per year and has around 52 frost days.
Has the climate of Yangzhou warmed?
Yes: Yangzhou warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yangzhou?
The wettest day measured in Yangzhou between 1940 and 2025 was 31 May 1946, with 129 mm of rain in 24 hours.
What was the windiest day in Yangzhou?
The windiest day measured in Yangzhou between 1940 and 2025 was 24 May 1946, with winds reaching 32.8 km/h.
What is the warmest month in Yangzhou?
The warmest month in Yangzhou is July (24.8 °C on average); the coldest is January (2.1 °C).
How much does it rain in Yangzhou?
Yangzhou receives on average 1,347 mm of precipitation per year, spread over about 150 rainy days.
Is it sunny in Yangzhou?
Yangzhou gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Yangzhou?
The heaviest 24-hour snowfall measured in Yangzhou between 1940 and 2025 was 18 November 1993, with 12.9 cm.
Are there tropical nights in Yangzhou?
Yes: Yangzhou has on average 58 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yangzhou?
In Yangzhou, between 1940 and 2025, the highest apparent temperature reached 43.6 °C on 24 July 1958, and the lowest was -22.9 °C on 10 January 1955.
Compare Yangzhou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yangzhou