Chungchow climate — normals and trends
Chungchow (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.3 °C and it receives 1,362 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 (27.3 °C on average) and the coldest is January (6.8 °C). Rainfall peaks in July.
Chungchow averages 4 frost days, 64 hot days (≥ 30 °C) and 169 rainy days per year.
Chungchow has warmed by +0.9 °C between 1940 and 2025, or +0.11 °C per decade. This trend is statistically significant.
The number of frost days there went from about 7 to 1 per year over the period.
The hottest day of the period reached 40.1 °C (on 15 August 2006) and the coldest -7.8 °C (on 12 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
ChungchowChongqing Municipality
- coords
- 30.29°, 108.03°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.3°C
Average daily high
20.8°C
Average daily low
14.1°C
Annual rainfall
1,362mm
Sunshine / day
6.4h
Mean relative humidity
78%
Average peak wind
7.1km/h
Seasonal range
20.5°C
Frost days (< 0 °C)
4 d/yr
Hot days (≥ 30 °C)
64 d/yr
Rainy days (≥ 1 mm)
169 d/yr
Annual snowfall
4.0 cm
Average feels-like high
22.1 °C
Average feels-like low
14.7 °C
Average peak gust
22.1 km/h
Tropical nights (≥ 20 °C)
103 d/yr
Solar radiation
11.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+0.9 °C
since 1940
+0.1 °C per decade · r² = 0.30 · 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
40.1 °C
15 August 2006
Coldest day
-7.8 °C
12 January 1955
Wettest day
151 mm
22 July 1965
Windiest day
44.9 km/h
23 May 1946
Strongest gust
91.4 km/h
24 May 1946
Hottest feels-like
45.6 °C
24 July 1961
Coldest feels-like
-11.4 °C
12 January 1955
Snowiest day
6.8 cm
8 February 1945
Sunniest day
13.8 h
28 June 2008
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 | 11.6 °C | +2.0 °C | 58 mm | +16 mm |
| Feb | 11.3 °C | -0.3 °C | 35 mm | -14 mm |
| Mar | 16.6 °C | +0.2 °C | 121 mm | +30 mm |
| Apr | 24.3 °C | +2.8 °C | 111 mm | -15 mm |
| May | 27.5 °C | +2.5 °C | 89 mm | -69 mm |
| Jun | 28.5 °C | +0.7 °C | 198 mm | +25 mm |
| Jul | 34.0 °C | +2.8 °C | 154 mm | -26 mm |
| Aug | 33.6 °C | +2.1 °C | 128 mm | -21 mm |
| Sep | 29.1 °C | +2.1 °C | 140 mm | -0 mm |
| Oct | 23.6 °C | +2.5 °C | 177 mm | +55 mm |
| Nov | 16.4 °C | +0.3 °C | 83 mm | +0 mm |
| Dec | 13.3 °C | +2.3 °C | 66 mm | +15 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 Chungchow?
Chungchow has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.3 °C and it receives 1,362 mm of precipitation per year.
What is the hottest day ever recorded in Chungchow?
The hottest day measured in Chungchow between 1940 and 2025 was 15 August 2006, reaching 40.1 °C.
What is the coldest day in Chungchow?
The coldest day measured in Chungchow between 1940 and 2025 was 12 January 1955, at -7.8 °C.
Does it snow in Chungchow?
Yes. Chungchow gets on average 4.0 cm of snow per year and has around 4 frost days.
Has the climate of Chungchow warmed?
Yes: Chungchow warmed by +0.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Chungchow?
The wettest day measured in Chungchow between 1940 and 2025 was 22 July 1965, with 151 mm of rain in 24 hours.
What was the windiest day in Chungchow?
The windiest day measured in Chungchow between 1940 and 2025 was 23 May 1946, with winds reaching 44.9 km/h.
What is the warmest month in Chungchow?
The warmest month in Chungchow is July (27.3 °C on average); the coldest is January (6.8 °C).
How much does it rain in Chungchow?
Chungchow receives on average 1,362 mm of precipitation per year, spread over about 169 rainy days.
Is it sunny in Chungchow?
Chungchow gets on average 6.4 hours of sunshine per day, roughly 2,336 hours per year over 1940-2025.
What is the biggest single-day snowfall in Chungchow?
The heaviest 24-hour snowfall measured in Chungchow between 1940 and 2025 was 8 February 1945, with 6.8 cm.
Are there tropical nights in Chungchow?
Yes: Chungchow has on average 103 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Chungchow?
In Chungchow, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 24 July 1961, and the lowest was -11.4 °C on 12 January 1955.
Compare Chungchow with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Chungchow