Changleng climate — normals and trends
Changleng (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 18.1 °C and it receives 1,694 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 (29.4 °C on average) and the coldest is January (5.7 °C). Rainfall peaks in June.
Changleng averages 15 frost days, 90 hot days (≥ 30 °C) and 148 rainy days per year.
Changleng has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.
The number of frost days there went from about 21 to 9 per year over the period.
The hottest day of the period reached 41.4 °C (on 10 August 1953) and the coldest -10.9 °C (on 19 February 1952).
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
ChanglengJiangxi
- coords
- 28.70°, 115.82°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
18.1°C
Average daily high
22.0°C
Average daily low
14.7°C
Annual rainfall
1,694mm
Sunshine / day
7.6h
Mean relative humidity
77%
Average peak wind
13.0km/h
Seasonal range
23.7°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
90 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
8.7 cm
Average feels-like high
23.1 °C
Average feels-like low
15.1 °C
Average peak gust
31.0 km/h
Tropical nights (≥ 20 °C)
130 d/yr
Solar radiation
14.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.1 °C
since 1940
+0.1 °C per decade · r² = 0.27 · 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
41.4 °C
10 August 1953
Coldest day
-10.9 °C
19 February 1952
Wettest day
153 mm
8 June 1942
Windiest day
37.9 km/h
7 October 2013
Strongest gust
79.2 km/h
9 August 2015
Hottest feels-like
48.2 °C
2 August 2003
Coldest feels-like
-15.5 °C
19 February 1952
Snowiest day
13.2 cm
10 December 1985
Sunniest day
13.5 h
10 June 1942
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 | 14.1 °C | +4.6 °C | 32 mm | -27 mm |
| Feb | 10.6 °C | -0.5 °C | 70 mm | -29 mm |
| Mar | 18.4 °C | +2.5 °C | 98 mm | -67 mm |
| Apr | 26.2 °C | +4.2 °C | 176 mm | -41 mm |
| May | 28.4 °C | +1.9 °C | 312 mm | +34 mm |
| Jun | 30.6 °C | +1.1 °C | 214 mm | -121 mm |
| Jul | 35.2 °C | +2.0 °C | 108 mm | -51 mm |
| Aug | 36.8 °C | +3.8 °C | 32 mm | -92 mm |
| Sep | 33.4 °C | +4.1 °C | 69 mm | -13 mm |
| Oct | 27.3 °C | +3.5 °C | 11 mm | -55 mm |
| Nov | 19.6 °C | +1.7 °C | 48 mm | -17 mm |
| Dec | 15.9 °C | +4.0 °C | 23 mm | -22 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 Changleng?
Changleng has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 18.1 °C and it receives 1,694 mm of precipitation per year.
What is the hottest day ever recorded in Changleng?
The hottest day measured in Changleng between 1940 and 2025 was 10 August 1953, reaching 41.4 °C.
What is the coldest day in Changleng?
The coldest day measured in Changleng between 1940 and 2025 was 19 February 1952, at -10.9 °C.
Does it snow in Changleng?
Yes. Changleng gets on average 8.7 cm of snow per year and has around 15 frost days.
Has the climate of Changleng warmed?
Yes: Changleng warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Changleng?
The wettest day measured in Changleng between 1940 and 2025 was 8 June 1942, with 153 mm of rain in 24 hours.
What was the windiest day in Changleng?
The windiest day measured in Changleng between 1940 and 2025 was 7 October 2013, with winds reaching 37.9 km/h.
What is the warmest month in Changleng?
The warmest month in Changleng is July (29.4 °C on average); the coldest is January (5.7 °C).
How much does it rain in Changleng?
Changleng receives on average 1,694 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Changleng?
Changleng gets on average 7.6 hours of sunshine per day, roughly 2,774 hours per year over 1940-2025.
What is the biggest single-day snowfall in Changleng?
The heaviest 24-hour snowfall measured in Changleng between 1940 and 2025 was 10 December 1985, with 13.2 cm.
Are there tropical nights in Changleng?
Yes: Changleng has on average 130 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Changleng?
In Changleng, between 1940 and 2025, the highest apparent temperature reached 48.2 °C on 2 August 2003, and the lowest was -15.5 °C on 19 February 1952.
Compare Changleng with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Changleng