Changyi climate — normals and trends
Changyi (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.1 °C and it receives 756 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 (26.3 °C on average) and the coldest is January (-2.1 °C). Rainfall peaks in July.
Changyi averages 102 frost days, 52 hot days (≥ 30 °C) and 77 rainy days per year.
Changyi has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 91 per year over the period.
The hottest day of the period reached 40.8 °C (on 25 June 2009) and the coldest -22.3 °C (on 18 January 1958).
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
ChangyiShandong
- coords
- 36.85°, 119.39°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.1°C
Average daily high
18.2°C
Average daily low
8.5°C
Annual rainfall
756mm
Sunshine / day
9.0h
Mean relative humidity
66%
Average peak wind
16.7km/h
Seasonal range
28.4°C
Frost days (< 0 °C)
102 d/yr
Hot days (≥ 30 °C)
52 d/yr
Rainy days (≥ 1 mm)
77 d/yr
Annual snowfall
14.3 cm
Average feels-like high
16.8 °C
Average feels-like low
6.8 °C
Average peak gust
34.4 km/h
Tropical nights (≥ 20 °C)
67 d/yr
Solar radiation
15.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.43 · 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
40.8 °C
25 June 2009
Coldest day
-22.3 °C
18 January 1958
Wettest day
162 mm
6 July 1947
Windiest day
60.0 km/h
2 August 1940
Strongest gust
120.6 km/h
2 August 1940
Hottest feels-like
44.5 °C
28 July 1958
Coldest feels-like
-27.4 °C
18 January 1958
Snowiest day
15.2 cm
29 January 1979
Sunniest day
14.0 h
17 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 | 6.4 °C | +3.5 °C | 2 mm | -8 mm |
| Feb | 7.1 °C | +1.6 °C | 3 mm | -11 mm |
| Mar | 15.2 °C | +3.2 °C | 58 mm | +35 mm |
| Apr | 23.5 °C | +4.2 °C | 42 mm | -2 mm |
| May | 26.7 °C | +1.6 °C | 40 mm | -19 mm |
| Jun | 32.6 °C | +3.6 °C | 79 mm | -6 mm |
| Jul | 34.6 °C | +4.3 °C | 89 mm | -118 mm |
| Aug | 33.3 °C | +3.6 °C | 123 mm | -39 mm |
| Sep | 27.4 °C | +1.4 °C | 168 mm | +89 mm |
| Oct | 18.7 °C | -1.6 °C | 161 mm | +123 mm |
| Nov | 15.8 °C | +3.3 °C | 2 mm | -23 mm |
| Dec | 7.8 °C | +2.6 °C | 15 mm | +3 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 Changyi?
Changyi has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.1 °C and it receives 756 mm of precipitation per year.
What is the hottest day ever recorded in Changyi?
The hottest day measured in Changyi between 1940 and 2025 was 25 June 2009, reaching 40.8 °C.
What is the coldest day in Changyi?
The coldest day measured in Changyi between 1940 and 2025 was 18 January 1958, at -22.3 °C.
Does it snow in Changyi?
Yes. Changyi gets on average 14.3 cm of snow per year and has around 102 frost days.
Has the climate of Changyi warmed?
Yes: Changyi warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Changyi?
The wettest day measured in Changyi between 1940 and 2025 was 6 July 1947, with 162 mm of rain in 24 hours.
What was the windiest day in Changyi?
The windiest day measured in Changyi between 1940 and 2025 was 2 August 1940, with winds reaching 60.0 km/h.
What is the warmest month in Changyi?
The warmest month in Changyi is July (26.3 °C on average); the coldest is January (-2.1 °C).
How much does it rain in Changyi?
Changyi receives on average 756 mm of precipitation per year, spread over about 77 rainy days.
Is it sunny in Changyi?
Changyi gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Changyi?
The heaviest 24-hour snowfall measured in Changyi between 1940 and 2025 was 29 January 1979, with 15.2 cm.
Are there tropical nights in Changyi?
Yes: Changyi has on average 67 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Changyi?
In Changyi, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 28 July 1958, and the lowest was -27.4 °C on 18 January 1958.
Compare Changyi with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Changyi