Mengcheng Chengguanzhen climate — normals and trends
Mengcheng Chengguanzhen (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 15.4 °C and it receives 1,062 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 (27.8 °C on average) and the coldest is January (1.4 °C). Rainfall peaks in July.
Mengcheng Chengguanzhen averages 60 frost days, 70 hot days (≥ 30 °C) and 99 rainy days per year.
Mengcheng Chengguanzhen has warmed by +1.3 °C between 1940 and 2025, or +0.15 °C per decade. This trend is statistically significant.
The number of frost days there went from about 72 to 48 per year over the period.
The hottest day of the period reached 41.1 °C (on 10 August 1946) and the coldest -25.6 °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
Mengcheng ChengguanzhenAnhui
- coords
- 33.27°, 116.57°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.4°C
Average daily high
19.9°C
Average daily low
11.2°C
Annual rainfall
1,062mm
Sunshine / day
8.2h
Mean relative humidity
72%
Average peak wind
14.5km/h
Seasonal range
26.4°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
70 d/yr
Rainy days (≥ 1 mm)
99 d/yr
Annual snowfall
17.3 cm
Average feels-like high
19.8 °C
Average feels-like low
10.4 °C
Average peak gust
30.1 km/h
Tropical nights (≥ 20 °C)
94 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.23 · 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
41.1 °C
10 August 1946
Coldest day
-25.6 °C
11 January 1955
Wettest day
325 mm
30 July 1947
Windiest day
44.0 km/h
18 August 2018
Strongest gust
83.5 km/h
18 August 2018
Hottest feels-like
46.8 °C
28 July 1958
Coldest feels-like
-31.1 °C
11 January 1955
Snowiest day
16.7 cm
24 February 1952
Sunniest day
13.9 h
6 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 | 9.8 °C | +4.0 °C | 37 mm | +12 mm |
| Feb | 10.0 °C | +1.7 °C | 8 mm | -27 mm |
| Mar | 16.8 °C | +3.1 °C | 54 mm | -2 mm |
| Apr | 26.1 °C | +5.7 °C | 17 mm | -53 mm |
| May | 28.6 °C | +2.6 °C | 71 mm | -23 mm |
| Jun | 31.3 °C | +0.9 °C | 221 mm | +78 mm |
| Jul | 35.2 °C | +3.8 °C | 30 mm | -244 mm |
| Aug | 33.2 °C | +2.4 °C | 193 mm | +43 mm |
| Sep | 26.2 °C | -0.5 °C | 244 mm | +143 mm |
| Oct | 20.1 °C | -1.6 °C | 124 mm | +69 mm |
| Nov | 18.0 °C | +3.1 °C | 19 mm | -19 mm |
| Dec | 11.4 °C | +3.1 °C | 17 mm | -5 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 Mengcheng Chengguanzhen?
Mengcheng Chengguanzhen has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 15.4 °C and it receives 1,062 mm of precipitation per year.
What is the hottest day ever recorded in Mengcheng Chengguanzhen?
The hottest day measured in Mengcheng Chengguanzhen between 1940 and 2025 was 10 August 1946, reaching 41.1 °C.
What is the coldest day in Mengcheng Chengguanzhen?
The coldest day measured in Mengcheng Chengguanzhen between 1940 and 2025 was 11 January 1955, at -25.6 °C.
Does it snow in Mengcheng Chengguanzhen?
Yes. Mengcheng Chengguanzhen gets on average 17.3 cm of snow per year and has around 60 frost days.
Has the climate of Mengcheng Chengguanzhen warmed?
Yes: Mengcheng Chengguanzhen warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Mengcheng Chengguanzhen?
The wettest day measured in Mengcheng Chengguanzhen between 1940 and 2025 was 30 July 1947, with 325 mm of rain in 24 hours.
What was the windiest day in Mengcheng Chengguanzhen?
The windiest day measured in Mengcheng Chengguanzhen between 1940 and 2025 was 18 August 2018, with winds reaching 44.0 km/h.
What is the warmest month in Mengcheng Chengguanzhen?
The warmest month in Mengcheng Chengguanzhen is July (27.8 °C on average); the coldest is January (1.4 °C).
How much does it rain in Mengcheng Chengguanzhen?
Mengcheng Chengguanzhen receives on average 1,062 mm of precipitation per year, spread over about 99 rainy days.
Is it sunny in Mengcheng Chengguanzhen?
Mengcheng Chengguanzhen gets on average 8.2 hours of sunshine per day, roughly 2,993 hours per year over 1940-2025.
What is the biggest single-day snowfall in Mengcheng Chengguanzhen?
The heaviest 24-hour snowfall measured in Mengcheng Chengguanzhen between 1940 and 2025 was 24 February 1952, with 16.7 cm.
Are there tropical nights in Mengcheng Chengguanzhen?
Yes: Mengcheng Chengguanzhen has on average 94 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Mengcheng Chengguanzhen?
In Mengcheng Chengguanzhen, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 28 July 1958, and the lowest was -31.1 °C on 11 January 1955.
Compare Mengcheng Chengguanzhen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Mengcheng Chengguanzhen