Suihua climate — normals and trends
Suihua (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 2.7 °C and it receives 670 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 (22.4 °C on average) and the coldest is January (-21.3 °C). Rainfall peaks in July.
Suihua averages 183 frost days, 8 hot days (≥ 30 °C) and 91 rainy days per year.
Suihua has warmed by +2.2 °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 188 to 178 per year over the period.
The hottest day of the period reached 37.4 °C (on 25 June 2001) and the coldest -43.2 °C (on 11 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
SuihuaHeilongjiang
- coords
- 46.65°, 126.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
2.7°C
Average daily high
8.0°C
Average daily low
-2.5°C
Annual rainfall
670mm
Sunshine / day
9.2h
Mean relative humidity
68%
Average peak wind
17.2km/h
Seasonal range
43.7°C
Frost days (< 0 °C)
183 d/yr
Hot days (≥ 30 °C)
8 d/yr
Rainy days (≥ 1 mm)
91 d/yr
Annual snowfall
39.4 cm
Average feels-like high
5.1 °C
Average feels-like low
-5.9 °C
Average peak gust
33.3 km/h
Tropical nights (≥ 20 °C)
12 d/yr
Solar radiation
13.9 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.38 · 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
37.4 °C
25 June 2001
Coldest day
-43.2 °C
11 January 2001
Wettest day
141 mm
5 August 1943
Windiest day
53.8 km/h
14 April 1956
Strongest gust
92.5 km/h
24 May 1976
Hottest feels-like
40.4 °C
26 June 2010
Coldest feels-like
-48.7 °C
11 January 2001
Snowiest day
17.1 cm
8 November 2021
Sunniest day
15.0 h
23 May 1940
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 | -14.4 °C | +1.3 °C | 3 mm | -2 mm |
| Feb | -10.1 °C | 0.0 °C | 5 mm | -2 mm |
| Mar | 1.3 °C | +1.3 °C | 17 mm | +1 mm |
| Apr | 13.5 °C | +1.8 °C | 49 mm | +12 mm |
| May | 20.3 °C | +0.8 °C | 34 mm | -28 mm |
| Jun | 25.4 °C | +0.7 °C | 184 mm | +83 mm |
| Jul | 28.7 °C | +2.1 °C | 112 mm | -47 mm |
| Aug | 25.4 °C | +0.4 °C | 138 mm | -5 mm |
| Sep | 22.9 °C | +3.5 °C | 82 mm | +3 mm |
| Oct | 9.5 °C | -1.1 °C | 13 mm | -27 mm |
| Nov | 0.9 °C | +3.2 °C | 20 mm | +4 mm |
| Dec | -11.2 °C | +1.9 °C | 15 mm | +7 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 Suihua?
Suihua has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 2.7 °C and it receives 670 mm of precipitation per year.
What is the hottest day ever recorded in Suihua?
The hottest day measured in Suihua between 1940 and 2025 was 25 June 2001, reaching 37.4 °C.
What is the coldest day in Suihua?
The coldest day measured in Suihua between 1940 and 2025 was 11 January 2001, at -43.2 °C.
Does it snow in Suihua?
Yes. Suihua gets on average 39.4 cm of snow per year and has around 183 frost days.
Has the climate of Suihua warmed?
Yes: Suihua warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Suihua?
The wettest day measured in Suihua between 1940 and 2025 was 5 August 1943, with 141 mm of rain in 24 hours.
What was the windiest day in Suihua?
The windiest day measured in Suihua between 1940 and 2025 was 14 April 1956, with winds reaching 53.8 km/h.
What is the warmest month in Suihua?
The warmest month in Suihua is July (22.4 °C on average); the coldest is January (-21.3 °C).
How much does it rain in Suihua?
Suihua receives on average 670 mm of precipitation per year, spread over about 91 rainy days.
Is it sunny in Suihua?
Suihua 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 Suihua?
The heaviest 24-hour snowfall measured in Suihua between 1940 and 2025 was 8 November 2021, with 17.1 cm.
Are there tropical nights in Suihua?
Yes: Suihua has on average 12 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Suihua?
In Suihua, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 26 June 2010, and the lowest was -48.7 °C on 11 January 2001.
Compare Suihua with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Suihua