Gongtan climate — normals and trends
Gongtan (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 14.8 °C and it receives 1,877 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 (24.9 °C on average) and the coldest is January (3.5 °C). Rainfall peaks in June.
Gongtan averages 24 frost days, 29 hot days (≥ 30 °C) and 204 rainy days per year.
Gongtan has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 34 to 14 per year over the period.
The hottest day of the period reached 37.5 °C (on 18 August 2022) and the coldest -16.3 °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
GongtanChongqing Municipality
- coords
- 28.91°, 108.35°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.8°C
Average daily high
18.0°C
Average daily low
11.9°C
Annual rainfall
1,877mm
Sunshine / day
5.1h
Mean relative humidity
81%
Average peak wind
7.7km/h
Seasonal range
21.4°C
Frost days (< 0 °C)
24 d/yr
Hot days (≥ 30 °C)
29 d/yr
Rainy days (≥ 1 mm)
204 d/yr
Annual snowfall
43.2 cm
Average feels-like high
18.6 °C
Average feels-like low
12.0 °C
Average peak gust
24.8 km/h
Tropical nights (≥ 20 °C)
75 d/yr
Solar radiation
10.4 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.3 °C
since 1940
+0.2 °C per decade · r² = 0.45 · 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
37.5 °C
18 August 2022
Coldest day
-16.3 °C
12 January 1955
Wettest day
125 mm
8 August 1957
Windiest day
34.0 km/h
26 May 1946
Strongest gust
91.8 km/h
12 June 1946
Hottest feels-like
42.1 °C
20 August 2022
Coldest feels-like
-20.6 °C
12 January 1955
Snowiest day
16.5 cm
23 February 1993
Sunniest day
13.7 h
3 July 1973
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 | 9.3 °C | +3.2 °C | 64 mm | -2 mm |
| Feb | 7.6 °C | -0.2 °C | 82 mm | +4 mm |
| Mar | 14.2 °C | +1.2 °C | 102 mm | -34 mm |
| Apr | 22.0 °C | +3.3 °C | 137 mm | -55 mm |
| May | 24.4 °C | +1.8 °C | 239 mm | -11 mm |
| Jun | 26.4 °C | +0.7 °C | 335 mm | +79 mm |
| Jul | 31.5 °C | +2.7 °C | 145 mm | -91 mm |
| Aug | 31.2 °C | +2.4 °C | 135 mm | -46 mm |
| Sep | 26.4 °C | +1.8 °C | 235 mm | +76 mm |
| Oct | 20.6 °C | +1.9 °C | 227 mm | +68 mm |
| Nov | 14.8 °C | +1.3 °C | 82 mm | -20 mm |
| Dec | 11.0 °C | +2.8 °C | 66 mm | +4 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 Gongtan?
Gongtan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 14.8 °C and it receives 1,877 mm of precipitation per year.
What is the hottest day ever recorded in Gongtan?
The hottest day measured in Gongtan between 1940 and 2025 was 18 August 2022, reaching 37.5 °C.
What is the coldest day in Gongtan?
The coldest day measured in Gongtan between 1940 and 2025 was 12 January 1955, at -16.3 °C.
Does it snow in Gongtan?
Yes. Gongtan gets on average 43.2 cm of snow per year and has around 24 frost days.
Has the climate of Gongtan warmed?
Yes: Gongtan warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Gongtan?
The wettest day measured in Gongtan between 1940 and 2025 was 8 August 1957, with 125 mm of rain in 24 hours.
What was the windiest day in Gongtan?
The windiest day measured in Gongtan between 1940 and 2025 was 26 May 1946, with winds reaching 34.0 km/h.
What is the warmest month in Gongtan?
The warmest month in Gongtan is July (24.9 °C on average); the coldest is January (3.5 °C).
How much does it rain in Gongtan?
Gongtan receives on average 1,877 mm of precipitation per year, spread over about 204 rainy days.
Is it sunny in Gongtan?
Gongtan gets on average 5.1 hours of sunshine per day, roughly 1,861 hours per year over 1940-2025.
What is the biggest single-day snowfall in Gongtan?
The heaviest 24-hour snowfall measured in Gongtan between 1940 and 2025 was 23 February 1993, with 16.5 cm.
Are there tropical nights in Gongtan?
Yes: Gongtan has on average 75 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Gongtan?
In Gongtan, between 1940 and 2025, the highest apparent temperature reached 42.1 °C on 20 August 2022, and the lowest was -20.6 °C on 12 January 1955.
Compare Gongtan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Gongtan