Dengzhou climate — normals and trends
Dengzhou (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 980 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 (27.9 °C on average) and the coldest is January (2.5 °C). Rainfall peaks in July.
Dengzhou averages 50 frost days, 80 hot days (≥ 30 °C) and 103 rainy days per year.
Dengzhou 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 63 to 37 per year over the period.
The hottest day of the period reached 43.1 °C (on 31 July 1959) and the coldest -21.2 °C (on 11 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
DengzhouHenan
- coords
- 32.68°, 112.09°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
20.7°C
Average daily low
11.8°C
Annual rainfall
980mm
Sunshine / day
7.7h
Mean relative humidity
71%
Average peak wind
13.4km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
50 d/yr
Hot days (≥ 30 °C)
80 d/yr
Rainy days (≥ 1 mm)
103 d/yr
Annual snowfall
18.4 cm
Average feels-like high
20.9 °C
Average feels-like low
11.2 °C
Average peak gust
27.5 km/h
Tropical nights (≥ 20 °C)
98 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.31 · 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
43.1 °C
31 July 1959
Coldest day
-21.2 °C
11 January 1955
Wettest day
226 mm
21 July 1940
Windiest day
44.0 km/h
7 June 1946
Strongest gust
76.0 km/h
9 April 1957
Hottest feels-like
48.3 °C
22 July 1959
Coldest feels-like
-25.9 °C
11 January 1955
Snowiest day
14.8 cm
13 March 1960
Sunniest day
13.5 h
23 June 1944
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 | 10.5 °C | +3.2 °C | 51 mm | +33 mm |
| Feb | 11.0 °C | +1.2 °C | 3 mm | -22 mm |
| Mar | 17.5 °C | +2.3 °C | 50 mm | -1 mm |
| Apr | 27.0 °C | +5.3 °C | 22 mm | -48 mm |
| May | 30.7 °C | +3.7 °C | 56 mm | -34 mm |
| Jun | 32.7 °C | +1.3 °C | 75 mm | -41 mm |
| Jul | 36.4 °C | +4.5 °C | 89 mm | -111 mm |
| Aug | 34.1 °C | +3.1 °C | 149 mm | -22 mm |
| Sep | 25.2 °C | -1.5 °C | 255 mm | +144 mm |
| Oct | 18.5 °C | -3.3 °C | 143 mm | +76 mm |
| Nov | 18.4 °C | +3.0 °C | 31 mm | -11 mm |
| Dec | 12.2 °C | +2.8 °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 Dengzhou?
Dengzhou has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 980 mm of precipitation per year.
What is the hottest day ever recorded in Dengzhou?
The hottest day measured in Dengzhou between 1940 and 2025 was 31 July 1959, reaching 43.1 °C.
What is the coldest day in Dengzhou?
The coldest day measured in Dengzhou between 1940 and 2025 was 11 January 1955, at -21.2 °C.
Does it snow in Dengzhou?
Yes. Dengzhou gets on average 18.4 cm of snow per year and has around 50 frost days.
Has the climate of Dengzhou warmed?
Yes: Dengzhou warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dengzhou?
The wettest day measured in Dengzhou between 1940 and 2025 was 21 July 1940, with 226 mm of rain in 24 hours.
What was the windiest day in Dengzhou?
The windiest day measured in Dengzhou between 1940 and 2025 was 7 June 1946, with winds reaching 44.0 km/h.
What is the warmest month in Dengzhou?
The warmest month in Dengzhou is July (27.9 °C on average); the coldest is January (2.5 °C).
How much does it rain in Dengzhou?
Dengzhou receives on average 980 mm of precipitation per year, spread over about 103 rainy days.
Is it sunny in Dengzhou?
Dengzhou 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 Dengzhou?
The heaviest 24-hour snowfall measured in Dengzhou between 1940 and 2025 was 13 March 1960, with 14.8 cm.
Are there tropical nights in Dengzhou?
Yes: Dengzhou has on average 98 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dengzhou?
In Dengzhou, between 1940 and 2025, the highest apparent temperature reached 48.3 °C on 22 July 1959, and the lowest was -25.9 °C on 11 January 1955.
Compare Dengzhou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dengzhou