Xiayang climate — normals and trends
Xiayang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.5 °C and it receives 1,355 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 (28.5 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in June.
Xiayang averages 33 frost days, 66 hot days (≥ 30 °C) and 128 rainy days per year.
Xiayang has warmed by +1.7 °C between 1940 and 2025, or +0.20 °C per decade. This trend is statistically significant.
The number of frost days there went from about 44 to 22 per year over the period.
The hottest day of the period reached 41.6 °C (on 24 July 2017) and the coldest -12.5 °C (on 6 February 1969).
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
XiayangShanghai Municipality
- coords
- 31.15°, 121.12°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.5°C
Average daily high
20.5°C
Average daily low
13.0°C
Annual rainfall
1,355mm
Sunshine / day
7.7h
Mean relative humidity
77%
Average peak wind
16.4km/h
Seasonal range
24.4°C
Frost days (< 0 °C)
33 d/yr
Hot days (≥ 30 °C)
66 d/yr
Rainy days (≥ 1 mm)
128 d/yr
Annual snowfall
7.4 cm
Average feels-like high
20.8 °C
Average feels-like low
12.5 °C
Average peak gust
32.9 km/h
Tropical nights (≥ 20 °C)
105 d/yr
Solar radiation
14.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.7 °C
since 1940
+0.2 °C per decade · r² = 0.41 · 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
41.6 °C
24 July 2017
Coldest day
-12.5 °C
6 February 1969
Wettest day
182 mm
10 June 1953
Windiest day
55.9 km/h
22 August 1951
Strongest gust
128.5 km/h
2 August 1956
Hottest feels-like
48.2 °C
26 July 2016
Coldest feels-like
-17.1 °C
6 February 1969
Snowiest day
24.1 cm
18 January 1984
Sunniest day
14.0 h
20 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 | 11.4 °C | +3.3 °C | 13 mm | -37 mm |
| Feb | 10.0 °C | +0.4 °C | 27 mm | -37 mm |
| Mar | 17.3 °C | +3.3 °C | 86 mm | -8 mm |
| Apr | 24.4 °C | +4.6 °C | 60 mm | -61 mm |
| May | 27.0 °C | +2.4 °C | 146 mm | -4 mm |
| Jun | 29.5 °C | +1.6 °C | 344 mm | +71 mm |
| Jul | 33.1 °C | +1.0 °C | 182 mm | -2 mm |
| Aug | 34.7 °C | +2.9 °C | 125 mm | -20 mm |
| Sep | 31.7 °C | +4.1 °C | 111 mm | -20 mm |
| Oct | 25.7 °C | +3.1 °C | 50 mm | -8 mm |
| Nov | 18.4 °C | +1.3 °C | 10 mm | -40 mm |
| Dec | 14.4 °C | +3.6 °C | 6 mm | -32 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 Xiayang?
Xiayang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.5 °C and it receives 1,355 mm of precipitation per year.
What is the hottest day ever recorded in Xiayang?
The hottest day measured in Xiayang between 1940 and 2025 was 24 July 2017, reaching 41.6 °C.
What is the coldest day in Xiayang?
The coldest day measured in Xiayang between 1940 and 2025 was 6 February 1969, at -12.5 °C.
Does it snow in Xiayang?
Yes. Xiayang gets on average 7.4 cm of snow per year and has around 33 frost days.
Has the climate of Xiayang warmed?
Yes: Xiayang warmed by +1.7 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Xiayang?
The wettest day measured in Xiayang between 1940 and 2025 was 10 June 1953, with 182 mm of rain in 24 hours.
What was the windiest day in Xiayang?
The windiest day measured in Xiayang between 1940 and 2025 was 22 August 1951, with winds reaching 55.9 km/h.
What is the warmest month in Xiayang?
The warmest month in Xiayang is July (28.5 °C on average); the coldest is January (4.1 °C).
How much does it rain in Xiayang?
Xiayang receives on average 1,355 mm of precipitation per year, spread over about 128 rainy days.
Is it sunny in Xiayang?
Xiayang gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Xiayang?
The heaviest 24-hour snowfall measured in Xiayang between 1940 and 2025 was 18 January 1984, with 24.1 cm.
Are there tropical nights in Xiayang?
Yes: Xiayang has on average 105 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Xiayang?
In Xiayang, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 26 July 2016, and the lowest was -17.1 °C on 6 February 1969.
Compare Xiayang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Xiayang