Erong climate — normals and trends
Erong (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 15.8 °C and it receives 1,819 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 (26.4 °C on average) and the coldest is January (4.1 °C). Rainfall peaks in June.
Erong averages 21 frost days, 52 hot days (≥ 30 °C) and 191 rainy days per year.
Erong has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 31 to 11 per year over the period.
The hottest day of the period reached 38.8 °C (on 13 August 2005) and the coldest -16.3 °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
ErongChongqing Municipality
- coords
- 28.57°, 109.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
15.8°C
Average daily high
19.3°C
Average daily low
12.7°C
Annual rainfall
1,819mm
Sunshine / day
5.8h
Mean relative humidity
80%
Average peak wind
9.4km/h
Seasonal range
22.3°C
Frost days (< 0 °C)
21 d/yr
Hot days (≥ 30 °C)
52 d/yr
Rainy days (≥ 1 mm)
191 d/yr
Annual snowfall
31.1 cm
Average feels-like high
20.1 °C
Average feels-like low
12.9 °C
Average peak gust
24.6 km/h
Tropical nights (≥ 20 °C)
94 d/yr
Solar radiation
11.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.44 · 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
38.8 °C
13 August 2005
Coldest day
-16.3 °C
11 January 1955
Wettest day
160 mm
18 August 2014
Windiest day
39.6 km/h
14 June 1946
Strongest gust
88.6 km/h
14 June 1946
Hottest feels-like
43.9 °C
16 July 2002
Coldest feels-like
-20.4 °C
11 January 1955
Snowiest day
14.2 cm
22 January 1998
Sunniest day
13.5 h
6 July 1956
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 | 10.9 °C | +3.8 °C | 56 mm | -14 mm |
| Feb | 9.0 °C | +0.3 °C | 78 mm | -10 mm |
| Mar | 15.7 °C | +1.8 °C | 102 mm | -46 mm |
| Apr | 24.0 °C | +4.2 °C | 157 mm | -48 mm |
| May | 25.8 °C | +1.8 °C | 223 mm | -25 mm |
| Jun | 27.9 °C | +0.6 °C | 229 mm | -33 mm |
| Jul | 32.7 °C | +2.4 °C | 173 mm | -47 mm |
| Aug | 32.1 °C | +1.9 °C | 134 mm | -37 mm |
| Sep | 27.4 °C | +1.2 °C | 158 mm | +30 mm |
| Oct | 21.8 °C | +1.5 °C | 121 mm | -8 mm |
| Nov | 16.6 °C | +1.6 °C | 83 mm | -9 mm |
| Dec | 12.5 °C | +3.1 °C | 53 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 Erong?
Erong has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 15.8 °C and it receives 1,819 mm of precipitation per year.
What is the hottest day ever recorded in Erong?
The hottest day measured in Erong between 1940 and 2025 was 13 August 2005, reaching 38.8 °C.
What is the coldest day in Erong?
The coldest day measured in Erong between 1940 and 2025 was 11 January 1955, at -16.3 °C.
Does it snow in Erong?
Yes. Erong gets on average 31.1 cm of snow per year and has around 21 frost days.
Has the climate of Erong warmed?
Yes: Erong warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Erong?
The wettest day measured in Erong between 1940 and 2025 was 18 August 2014, with 160 mm of rain in 24 hours.
What was the windiest day in Erong?
The windiest day measured in Erong between 1940 and 2025 was 14 June 1946, with winds reaching 39.6 km/h.
What is the warmest month in Erong?
The warmest month in Erong is July (26.4 °C on average); the coldest is January (4.1 °C).
How much does it rain in Erong?
Erong receives on average 1,819 mm of precipitation per year, spread over about 191 rainy days.
Is it sunny in Erong?
Erong gets on average 5.8 hours of sunshine per day, roughly 2,117 hours per year over 1940-2025.
What is the biggest single-day snowfall in Erong?
The heaviest 24-hour snowfall measured in Erong between 1940 and 2025 was 22 January 1998, with 14.2 cm.
Are there tropical nights in Erong?
Yes: Erong has on average 94 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Erong?
In Erong, between 1940 and 2025, the highest apparent temperature reached 43.9 °C on 16 July 2002, and the lowest was -20.4 °C on 11 January 1955.
Compare Erong with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Erong