Hegang climate — normals and trends
Hegang (China) has a warm-summer humid continental, dry winter climate (Dwb) under the Köppen-Geiger classification. Its mean annual temperature is 2.4 °C and it receives 661 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 (21.6 °C on average) and the coldest is January (-20.3 °C). Rainfall peaks in August.
Hegang averages 188 frost days, 9 hot days (≥ 30 °C) and 95 rainy days per year.
Hegang has warmed by +2.1 °C between 1940 and 2025, or +0.25 °C per decade. This trend is statistically significant.
The number of frost days there went from about 191 to 185 per year over the period.
The hottest day of the period reached 37.1 °C (on 8 July 1982) and the coldest -42.1 °C (on 13 January 1980).
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
HegangHeilongjiang
- coords
- 47.35°, 130.29°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.4°C
Average daily high
8.1°C
Average daily low
-3.0°C
Annual rainfall
661mm
Sunshine / day
9.0h
Mean relative humidity
68%
Average peak wind
14.5km/h
Seasonal range
41.9°C
Frost days (< 0 °C)
188 d/yr
Hot days (≥ 30 °C)
9 d/yr
Rainy days (≥ 1 mm)
95 d/yr
Annual snowfall
50.7 cm
Average feels-like high
5.3 °C
Average feels-like low
-6.2 °C
Average peak gust
31.9 km/h
Tropical nights (≥ 20 °C)
5 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.1 °C
since 1940
+0.3 °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
37.1 °C
8 July 1982
Coldest day
-42.1 °C
13 January 1980
Wettest day
92 mm
29 August 2012
Windiest day
42.4 km/h
14 April 1956
Strongest gust
94.0 km/h
31 August 2016
Hottest feels-like
40.9 °C
27 June 2010
Coldest feels-like
-47.0 °C
7 January 1951
Snowiest day
25.9 cm
25 October 1980
Sunniest day
15.0 h
31 May 1940
Normals computed over complete calendar years 1940–2025.
A specific year
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Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -13.1 °C | +0.9 °C | 3 mm | -2 mm |
| Feb | -7.9 °C | +0.9 °C | 5 mm | -2 mm |
| Mar | 0.4 °C | +0.1 °C | 16 mm | -2 mm |
| Apr | 13.0 °C | +1.8 °C | 57 mm | +18 mm |
| May | 19.5 °C | +0.8 °C | 86 mm | +12 mm |
| Jun | 24.8 °C | +1.3 °C | 172 mm | +68 mm |
| Jul | 29.4 °C | +3.2 °C | 76 mm | -57 mm |
| Aug | 25.6 °C | +0.9 °C | 72 mm | -63 mm |
| Sep | 22.9 °C | +3.7 °C | 55 mm | -22 mm |
| Oct | 9.0 °C | -1.4 °C | 10 mm | -33 mm |
| Nov | 0.5 °C | +2.8 °C | 17 mm | -1 mm |
| Dec | -11.5 °C | +0.9 °C | 10 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 Hegang?
Hegang has a warm-summer humid continental, dry winter climate (Köppen Dwb). Over 1940-2025, the average annual temperature is 2.4 °C and it receives 661 mm of precipitation per year.
What is the hottest day ever recorded in Hegang?
The hottest day measured in Hegang between 1940 and 2025 was 8 July 1982, reaching 37.1 °C.
What is the coldest day in Hegang?
The coldest day measured in Hegang between 1940 and 2025 was 13 January 1980, at -42.1 °C.
Does it snow in Hegang?
Yes. Hegang gets on average 50.7 cm of snow per year and has around 188 frost days.
Has the climate of Hegang warmed?
Yes: Hegang warmed by +2.1 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hegang?
The wettest day measured in Hegang between 1940 and 2025 was 29 August 2012, with 92 mm of rain in 24 hours.
What was the windiest day in Hegang?
The windiest day measured in Hegang between 1940 and 2025 was 14 April 1956, with winds reaching 42.4 km/h.
What is the warmest month in Hegang?
The warmest month in Hegang is July (21.6 °C on average); the coldest is January (-20.3 °C).
How much does it rain in Hegang?
Hegang receives on average 661 mm of precipitation per year, spread over about 95 rainy days.
Is it sunny in Hegang?
Hegang gets on average 9.0 hours of sunshine per day, roughly 3,285 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hegang?
The heaviest 24-hour snowfall measured in Hegang between 1940 and 2025 was 25 October 1980, with 25.9 cm.
Are there tropical nights in Hegang?
Yes: Hegang has on average 5 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hegang?
In Hegang, between 1940 and 2025, the highest apparent temperature reached 40.9 °C on 27 June 2010, and the lowest was -47.0 °C on 7 January 1951.
Compare Hegang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hegang