Chengyang climate — normals and trends
Chengyang (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.0 °C and it receives 840 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 (25.8 °C on average) and the coldest is January (-1.5 °C). Rainfall peaks in July.
Chengyang averages 100 frost days, 39 hot days (≥ 30 °C) and 83 rainy days per year.
Chengyang has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 87 per year over the period.
The hottest day of the period reached 39.8 °C (on 3 July 1941) and the coldest -21.8 °C (on 3 January 1967).
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
ChengyangShandong
- coords
- 35.58°, 118.83°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.0°C
Average daily high
17.8°C
Average daily low
8.6°C
Annual rainfall
840mm
Sunshine / day
8.7h
Mean relative humidity
69%
Average peak wind
15.3km/h
Seasonal range
27.3°C
Frost days (< 0 °C)
100 d/yr
Hot days (≥ 30 °C)
39 d/yr
Rainy days (≥ 1 mm)
83 d/yr
Annual snowfall
15.1 cm
Average feels-like high
16.9 °C
Average feels-like low
7.0 °C
Average peak gust
32.2 km/h
Tropical nights (≥ 20 °C)
65 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
39.8 °C
3 July 1941
Coldest day
-21.8 °C
3 January 1967
Wettest day
137 mm
22 July 2020
Windiest day
47.8 km/h
2 August 1940
Strongest gust
92.5 km/h
24 June 1979
Hottest feels-like
44.4 °C
29 July 1958
Coldest feels-like
-27.8 °C
3 January 1967
Snowiest day
14.8 cm
12 February 1940
Sunniest day
14.0 h
18 May 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 | 7.1 °C | +3.7 °C | 2 mm | -11 mm |
| Feb | 7.6 °C | +1.8 °C | 3 mm | -15 mm |
| Mar | 15.3 °C | +3.4 °C | 56 mm | +28 mm |
| Apr | 23.0 °C | +4.1 °C | 39 mm | -9 mm |
| May | 25.7 °C | +1.3 °C | 38 mm | -22 mm |
| Jun | 30.8 °C | +2.6 °C | 118 mm | +21 mm |
| Jul | 33.3 °C | +3.9 °C | 45 mm | -193 mm |
| Aug | 31.9 °C | +2.8 °C | 185 mm | +17 mm |
| Sep | 25.9 °C | +0.6 °C | 195 mm | +106 mm |
| Oct | 18.5 °C | -1.3 °C | 143 mm | +104 mm |
| Nov | 15.4 °C | +3.0 °C | 7 mm | -20 mm |
| Dec | 7.7 °C | +2.3 °C | 15 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 Chengyang?
Chengyang has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.0 °C and it receives 840 mm of precipitation per year.
What is the hottest day ever recorded in Chengyang?
The hottest day measured in Chengyang between 1940 and 2025 was 3 July 1941, reaching 39.8 °C.
What is the coldest day in Chengyang?
The coldest day measured in Chengyang between 1940 and 2025 was 3 January 1967, at -21.8 °C.
Does it snow in Chengyang?
Yes. Chengyang gets on average 15.1 cm of snow per year and has around 100 frost days.
Has the climate of Chengyang warmed?
Yes: Chengyang warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chengyang?
The wettest day measured in Chengyang between 1940 and 2025 was 22 July 2020, with 137 mm of rain in 24 hours.
What was the windiest day in Chengyang?
The windiest day measured in Chengyang between 1940 and 2025 was 2 August 1940, with winds reaching 47.8 km/h.
What is the warmest month in Chengyang?
The warmest month in Chengyang is July (25.8 °C on average); the coldest is January (-1.5 °C).
How much does it rain in Chengyang?
Chengyang receives on average 840 mm of precipitation per year, spread over about 83 rainy days.
Is it sunny in Chengyang?
Chengyang gets on average 8.7 hours of sunshine per day, roughly 3,175 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chengyang?
The heaviest 24-hour snowfall measured in Chengyang between 1940 and 2025 was 12 February 1940, with 14.8 cm.
Are there tropical nights in Chengyang?
Yes: Chengyang has on average 65 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chengyang?
In Chengyang, between 1940 and 2025, the highest apparent temperature reached 44.4 °C on 29 July 1958, and the lowest was -27.8 °C on 3 January 1967.
Compare Chengyang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chengyang