Heishan climate — normals and trends
Heishan (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 8.7 °C and it receives 686 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 (24.7 °C on average) and the coldest is January (-10.1 °C). Rainfall peaks in July.
Heishan averages 150 frost days, 28 hot days (≥ 30 °C) and 73 rainy days per year.
Heishan has warmed by +2.5 °C between 1940 and 2025, or +0.29 °C per decade. This trend is statistically significant.
The number of frost days there went from about 159 to 141 per year over the period.
The hottest day of the period reached 39.8 °C (on 10 June 1972) and the coldest -34.0 °C (on 26 January 1948).
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
HeishanLiaoning
- coords
- 41.69°, 122.11°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
8.7°C
Average daily high
14.1°C
Average daily low
3.6°C
Annual rainfall
686mm
Sunshine / day
9.3h
Mean relative humidity
59%
Average peak wind
18.7km/h
Seasonal range
34.8°C
Frost days (< 0 °C)
150 d/yr
Hot days (≥ 30 °C)
28 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
24.6 cm
Average feels-like high
11.5 °C
Average feels-like low
0.8 °C
Average peak gust
37.1 km/h
Tropical nights (≥ 20 °C)
40 d/yr
Solar radiation
15.2 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.5 °C
since 1940
+0.3 °C per decade · r² = 0.52 · 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
39.8 °C
10 June 1972
Coldest day
-34.0 °C
26 January 1948
Wettest day
149 mm
22 July 2023
Windiest day
51.2 km/h
4 March 2007
Strongest gust
96.1 km/h
10 August 1984
Hottest feels-like
43.5 °C
31 July 2018
Coldest feels-like
-39.8 °C
26 January 1948
Snowiest day
31.0 cm
4 March 2007
Sunniest day
14.0 h
1 July 1944
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 | -0.7 °C | +3.7 °C | 6 mm | +1 mm |
| Feb | 1.2 °C | +1.7 °C | 1 mm | -7 mm |
| Mar | 9.9 °C | +2.8 °C | 1 mm | -14 mm |
| Apr | 17.5 °C | +1.4 °C | 51 mm | +13 mm |
| May | 23.7 °C | +0.7 °C | 43 mm | -15 mm |
| Jun | 29.4 °C | +2.4 °C | 79 mm | -16 mm |
| Jul | 31.2 °C | +2.3 °C | 117 mm | -55 mm |
| Aug | 29.5 °C | +1.4 °C | 109 mm | -50 mm |
| Sep | 27.5 °C | +3.7 °C | 49 mm | -21 mm |
| Oct | 15.8 °C | -0.4 °C | 3 mm | -38 mm |
| Nov | 10.3 °C | +4.6 °C | 4 mm | -14 mm |
| Dec | -0.6 °C | +1.6 °C | 6 mm | -0 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 Heishan?
Heishan has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 8.7 °C and it receives 686 mm of precipitation per year.
What is the hottest day ever recorded in Heishan?
The hottest day measured in Heishan between 1940 and 2025 was 10 June 1972, reaching 39.8 °C.
What is the coldest day in Heishan?
The coldest day measured in Heishan between 1940 and 2025 was 26 January 1948, at -34.0 °C.
Does it snow in Heishan?
Yes. Heishan gets on average 24.6 cm of snow per year and has around 150 frost days.
Has the climate of Heishan warmed?
Yes: Heishan warmed by +2.5 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Heishan?
The wettest day measured in Heishan between 1940 and 2025 was 22 July 2023, with 149 mm of rain in 24 hours.
What was the windiest day in Heishan?
The windiest day measured in Heishan between 1940 and 2025 was 4 March 2007, with winds reaching 51.2 km/h.
What is the warmest month in Heishan?
The warmest month in Heishan is July (24.7 °C on average); the coldest is January (-10.1 °C).
How much does it rain in Heishan?
Heishan receives on average 686 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Heishan?
Heishan gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.
What is the biggest single-day snowfall in Heishan?
The heaviest 24-hour snowfall measured in Heishan between 1940 and 2025 was 4 March 2007, with 31.0 cm.
Are there tropical nights in Heishan?
Yes: Heishan has on average 40 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Heishan?
In Heishan, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 31 July 2018, and the lowest was -39.8 °C on 26 January 1948.
Compare Heishan with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Heishan