Changtu climate — normals and trends
Changtu (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 7.0 °C and it receives 824 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 (24.2 °C on average) and the coldest is January (-13.6 °C). Rainfall peaks in July.
Changtu averages 160 frost days, 19 hot days (≥ 30 °C) and 90 rainy days per year.
Changtu has warmed by +2.5 °C between 1940 and 2025, or +0.30 °C per decade. This trend is statistically significant.
The number of frost days there went from about 166 to 154 per year over the period.
The hottest day of the period reached 38.4 °C (on 3 August 2018) and the coldest -37.8 °C (on 13 January 2001).
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
ChangtuLiaoning
- coords
- 42.78°, 124.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.0°C
Average daily high
12.3°C
Average daily low
1.8°C
Annual rainfall
824mm
Sunshine / day
9.2h
Mean relative humidity
64%
Average peak wind
18.7km/h
Seasonal range
37.8°C
Frost days (< 0 °C)
160 d/yr
Hot days (≥ 30 °C)
19 d/yr
Rainy days (≥ 1 mm)
90 d/yr
Annual snowfall
37.2 cm
Average feels-like high
9.7 °C
Average feels-like low
-1.1 °C
Average peak gust
36.5 km/h
Tropical nights (≥ 20 °C)
34 d/yr
Solar radiation
14.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.51 · 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
38.4 °C
3 August 2018
Coldest day
-37.8 °C
13 January 2001
Wettest day
119 mm
29 July 1995
Windiest day
50.8 km/h
4 April 1971
Strongest gust
99.0 km/h
10 August 1984
Hottest feels-like
42.9 °C
31 July 2018
Coldest feels-like
-43.0 °C
13 January 2001
Snowiest day
22.6 cm
4 March 2007
Sunniest day
14.4 h
17 June 1946
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 | -3.8 °C | +4.1 °C | 22 mm | +15 mm |
| Feb | -2.3 °C | +1.1 °C | 0 mm | -9 mm |
| Mar | 8.1 °C | +3.0 °C | 8 mm | -14 mm |
| Apr | 16.2 °C | +1.1 °C | 73 mm | +26 mm |
| May | 22.5 °C | +0.4 °C | 61 mm | -12 mm |
| Jun | 28.2 °C | +2.0 °C | 86 mm | -30 mm |
| Jul | 30.0 °C | +1.8 °C | 179 mm | -20 mm |
| Aug | 28.2 °C | +1.0 °C | 199 mm | +13 mm |
| Sep | 25.9 °C | +3.4 °C | 50 mm | -29 mm |
| Oct | 14.3 °C | -0.3 °C | 6 mm | -44 mm |
| Nov | 7.3 °C | +3.7 °C | 8 mm | -17 mm |
| Dec | -3.7 °C | +1.5 °C | 11 mm | +1 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 Changtu?
Changtu has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 7.0 °C and it receives 824 mm of precipitation per year.
What is the hottest day ever recorded in Changtu?
The hottest day measured in Changtu between 1940 and 2025 was 3 August 2018, reaching 38.4 °C.
What is the coldest day in Changtu?
The coldest day measured in Changtu between 1940 and 2025 was 13 January 2001, at -37.8 °C.
Does it snow in Changtu?
Yes. Changtu gets on average 37.2 cm of snow per year and has around 160 frost days.
Has the climate of Changtu warmed?
Yes: Changtu warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Changtu?
The wettest day measured in Changtu between 1940 and 2025 was 29 July 1995, with 119 mm of rain in 24 hours.
What was the windiest day in Changtu?
The windiest day measured in Changtu between 1940 and 2025 was 4 April 1971, with winds reaching 50.8 km/h.
What is the warmest month in Changtu?
The warmest month in Changtu is July (24.2 °C on average); the coldest is January (-13.6 °C).
How much does it rain in Changtu?
Changtu receives on average 824 mm of precipitation per year, spread over about 90 rainy days.
Is it sunny in Changtu?
Changtu gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.
What is the biggest single-day snowfall in Changtu?
The heaviest 24-hour snowfall measured in Changtu between 1940 and 2025 was 4 March 2007, with 22.6 cm.
Are there tropical nights in Changtu?
Yes: Changtu has on average 34 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Changtu?
In Changtu, between 1940 and 2025, the highest apparent temperature reached 42.9 °C on 31 July 2018, and the lowest was -43.0 °C on 13 January 2001.
Compare Changtu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Changtu