Hezuo climate — normals and trends
Hezuo (China) has a dry-winter subarctic climate (Dwc) under the Köppen-Geiger classification. Its mean annual temperature is 0.9 °C and it receives 691 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 (11.9 °C on average) and the coldest is January (-11.5 °C). Rainfall peaks in July.
Hezuo averages 214 frost days, 0 hot days (≥ 30 °C) and 142 rainy days per year.
Hezuo has warmed by +2.3 °C between 1940 and 2025, or +0.27 °C per decade. This trend is statistically significant.
The number of frost days there went from about 222 to 206 per year over the period.
The hottest day of the period reached 26.6 °C (on 30 July 2010) and the coldest -33.9 °C (on 6 January 1995).
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
HezuoGansu
- coords
- 34.99°, 102.91°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
0.9°C
Average daily high
7.2°C
Average daily low
-4.3°C
Annual rainfall
691mm
Sunshine / day
9.4h
Mean relative humidity
71%
Average peak wind
14.0km/h
Seasonal range
23.4°C
Frost days (< 0 °C)
214 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
142 d/yr
Annual snowfall
118.6 cm
Average feels-like high
4.4 °C
Average feels-like low
-7.8 °C
Average peak gust
30.2 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
17.1 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.3 °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
26.6 °C
30 July 2010
Coldest day
-33.9 °C
6 January 1995
Wettest day
68 mm
18 July 1946
Windiest day
44.7 km/h
1 December 1980
Strongest gust
88.9 km/h
1 December 1980
Hottest feels-like
27.9 °C
24 July 2000
Coldest feels-like
-39.3 °C
6 January 1995
Snowiest day
19.0 cm
27 June 1946
Sunniest day
14.0 h
26 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 | 0.3 °C | +3.7 °C | 9 mm | +2 mm |
| Feb | 0.5 °C | +1.9 °C | 15 mm | +4 mm |
| Mar | 4.1 °C | +0.6 °C | 28 mm | +3 mm |
| Apr | 10.8 °C | +2.3 °C | 23 mm | -24 mm |
| May | 15.2 °C | +3.3 °C | 50 mm | -32 mm |
| Jun | 14.8 °C | +0.3 °C | 135 mm | +35 mm |
| Jul | 19.8 °C | +2.9 °C | 125 mm | -0 mm |
| Aug | 17.8 °C | +1.2 °C | 206 mm | +93 mm |
| Sep | 16.0 °C | +3.3 °C | 103 mm | +3 mm |
| Oct | 9.8 °C | +2.1 °C | 123 mm | +62 mm |
| Nov | 4.2 °C | +2.5 °C | 29 mm | +15 mm |
| Dec | 3.8 °C | +6.1 °C | 2 mm | -3 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 Hezuo?
Hezuo has a dry-winter subarctic climate (Köppen Dwc). Over 1940-2025, the average annual temperature is 0.9 °C and it receives 691 mm of precipitation per year.
What is the hottest day ever recorded in Hezuo?
The hottest day measured in Hezuo between 1940 and 2025 was 30 July 2010, reaching 26.6 °C.
What is the coldest day in Hezuo?
The coldest day measured in Hezuo between 1940 and 2025 was 6 January 1995, at -33.9 °C.
Does it snow in Hezuo?
Yes. Hezuo gets on average 118.6 cm of snow per year and has around 214 frost days.
Has the climate of Hezuo warmed?
Yes: Hezuo warmed by +2.3 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hezuo?
The wettest day measured in Hezuo between 1940 and 2025 was 18 July 1946, with 68 mm of rain in 24 hours.
What was the windiest day in Hezuo?
The windiest day measured in Hezuo between 1940 and 2025 was 1 December 1980, with winds reaching 44.7 km/h.
What is the warmest month in Hezuo?
The warmest month in Hezuo is July (11.9 °C on average); the coldest is January (-11.5 °C).
How much does it rain in Hezuo?
Hezuo receives on average 691 mm of precipitation per year, spread over about 142 rainy days.
Is it sunny in Hezuo?
Hezuo gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hezuo?
The heaviest 24-hour snowfall measured in Hezuo between 1940 and 2025 was 27 June 1946, with 19.0 cm.
Are there tropical nights in Hezuo?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Hezuo.
What was the most extreme apparent temperature in Hezuo?
In Hezuo, between 1940 and 2025, the highest apparent temperature reached 27.9 °C on 24 July 2000, and the lowest was -39.3 °C on 6 January 1995.
Compare Hezuo with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hezuo