Suozhen climate — normals and trends
Suozhen (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.8 °C and it receives 649 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 (27.3 °C on average) and the coldest is January (-2.0 °C). Rainfall peaks in July.
Suozhen averages 100 frost days, 73 hot days (≥ 30 °C) and 72 rainy days per year.
Suozhen has warmed by +1.8 °C between 1940 and 2025, or +0.21 °C per decade. This trend is statistically significant.
The number of frost days there went from about 112 to 88 per year over the period.
The hottest day of the period reached 43.3 °C (on 1 August 1959) and the coldest -23.8 °C (on 16 January 1958).
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
SuozhenShandong
- coords
- 36.95°, 118.10°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.8°C
Average daily high
19.1°C
Average daily low
8.9°C
Annual rainfall
649mm
Sunshine / day
9.2h
Mean relative humidity
61%
Average peak wind
15.0km/h
Seasonal range
29.3°C
Frost days (< 0 °C)
100 d/yr
Hot days (≥ 30 °C)
73 d/yr
Rainy days (≥ 1 mm)
72 d/yr
Annual snowfall
15.8 cm
Average feels-like high
17.9 °C
Average feels-like low
7.3 °C
Average peak gust
31.4 km/h
Tropical nights (≥ 20 °C)
77 d/yr
Solar radiation
15.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.8 °C
since 1940
+0.2 °C per decade · r² = 0.34 · 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
43.3 °C
1 August 1959
Coldest day
-23.8 °C
16 January 1958
Wettest day
181 mm
11 August 2019
Windiest day
43.8 km/h
2 August 1940
Strongest gust
83.5 km/h
26 April 1983
Hottest feels-like
46.4 °C
3 July 1941
Coldest feels-like
-29.3 °C
16 January 1958
Snowiest day
16.6 cm
2 March 2025
Sunniest day
14.0 h
17 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 | 6.8 °C | +3.4 °C | 3 mm | -5 mm |
| Feb | 8.2 °C | +1.8 °C | 1 mm | -12 mm |
| Mar | 16.0 °C | +2.8 °C | 42 mm | +23 mm |
| Apr | 24.5 °C | +3.9 °C | 19 mm | -20 mm |
| May | 27.9 °C | +1.4 °C | 23 mm | -29 mm |
| Jun | 33.5 °C | +2.6 °C | 34 mm | -43 mm |
| Jul | 35.2 °C | +3.6 °C | 135 mm | -31 mm |
| Aug | 32.5 °C | +2.0 °C | 120 mm | -19 mm |
| Sep | 27.9 °C | +1.0 °C | 87 mm | +21 mm |
| Oct | 18.3 °C | -2.8 °C | 167 mm | +131 mm |
| Nov | 16.1 °C | +3.2 °C | 4 mm | -19 mm |
| Dec | 8.2 °C | +2.7 °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 Suozhen?
Suozhen has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.8 °C and it receives 649 mm of precipitation per year.
What is the hottest day ever recorded in Suozhen?
The hottest day measured in Suozhen between 1940 and 2025 was 1 August 1959, reaching 43.3 °C.
What is the coldest day in Suozhen?
The coldest day measured in Suozhen between 1940 and 2025 was 16 January 1958, at -23.8 °C.
Does it snow in Suozhen?
Yes. Suozhen gets on average 15.8 cm of snow per year and has around 100 frost days.
Has the climate of Suozhen warmed?
Yes: Suozhen warmed by +1.8 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Suozhen?
The wettest day measured in Suozhen between 1940 and 2025 was 11 August 2019, with 181 mm of rain in 24 hours.
What was the windiest day in Suozhen?
The windiest day measured in Suozhen between 1940 and 2025 was 2 August 1940, with winds reaching 43.8 km/h.
What is the warmest month in Suozhen?
The warmest month in Suozhen is July (27.3 °C on average); the coldest is January (-2.0 °C).
How much does it rain in Suozhen?
Suozhen receives on average 649 mm of precipitation per year, spread over about 72 rainy days.
Is it sunny in Suozhen?
Suozhen 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 Suozhen?
The heaviest 24-hour snowfall measured in Suozhen between 1940 and 2025 was 2 March 2025, with 16.6 cm.
Are there tropical nights in Suozhen?
Yes: Suozhen has on average 77 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Suozhen?
In Suozhen, between 1940 and 2025, the highest apparent temperature reached 46.4 °C on 3 July 1941, and the lowest was -29.3 °C on 16 January 1958.
Compare Suozhen with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Suozhen