Yigou climate — normals and trends
Yigou (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 14.3 °C and it receives 733 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 (27.2 °C on average) and the coldest is January (-1.0 °C). Rainfall peaks in July.
Yigou averages 90 frost days, 74 hot days (≥ 30 °C) and 78 rainy days per year.
Yigou has warmed by +2.0 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 103 to 77 per year over the period.
The hottest day of the period reached 43.5 °C (on 8 July 2023) and the coldest -27.3 °C (on 19 February 1952).
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
YigouHenan
- coords
- 35.81°, 114.32°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.3°C
Average daily high
19.4°C
Average daily low
9.6°C
Annual rainfall
733mm
Sunshine / day
9.0h
Mean relative humidity
63%
Average peak wind
15.5km/h
Seasonal range
28.2°C
Frost days (< 0 °C)
90 d/yr
Hot days (≥ 30 °C)
74 d/yr
Rainy days (≥ 1 mm)
78 d/yr
Annual snowfall
20.5 cm
Average feels-like high
18.4 °C
Average feels-like low
8.1 °C
Average peak gust
32.7 km/h
Tropical nights (≥ 20 °C)
82 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.37 · 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
43.5 °C
8 July 2023
Coldest day
-27.3 °C
19 February 1952
Wettest day
199 mm
9 August 1984
Windiest day
45.1 km/h
19 April 2001
Strongest gust
89.3 km/h
20 August 1997
Hottest feels-like
46.6 °C
23 July 1959
Coldest feels-like
-31.9 °C
19 February 1952
Snowiest day
15.4 cm
29 November 2011
Sunniest day
14.1 h
24 June 1945
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 | 7.7 °C | +3.7 °C | 6 mm | -1 mm |
| Feb | 9.0 °C | +1.5 °C | 2 mm | -12 mm |
| Mar | 17.1 °C | +3.1 °C | 40 mm | +18 mm |
| Apr | 26.0 °C | +4.7 °C | 23 mm | -14 mm |
| May | 29.1 °C | +2.0 °C | 34 mm | -20 mm |
| Jun | 33.8 °C | +1.9 °C | 71 mm | -5 mm |
| Jul | 34.5 °C | +3.1 °C | 79 mm | -119 mm |
| Aug | 32.8 °C | +3.1 °C | 114 mm | -66 mm |
| Sep | 25.8 °C | -0.3 °C | 155 mm | +78 mm |
| Oct | 17.2 °C | -3.6 °C | 146 mm | +107 mm |
| Nov | 16.7 °C | +3.6 °C | 14 mm | -8 mm |
| Dec | 8.9 °C | +2.8 °C | 8 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 Yigou?
Yigou has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 14.3 °C and it receives 733 mm of precipitation per year.
What is the hottest day ever recorded in Yigou?
The hottest day measured in Yigou between 1940 and 2025 was 8 July 2023, reaching 43.5 °C.
What is the coldest day in Yigou?
The coldest day measured in Yigou between 1940 and 2025 was 19 February 1952, at -27.3 °C.
Does it snow in Yigou?
Yes. Yigou gets on average 20.5 cm of snow per year and has around 90 frost days.
Has the climate of Yigou warmed?
Yes: Yigou warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yigou?
The wettest day measured in Yigou between 1940 and 2025 was 9 August 1984, with 199 mm of rain in 24 hours.
What was the windiest day in Yigou?
The windiest day measured in Yigou between 1940 and 2025 was 19 April 2001, with winds reaching 45.1 km/h.
What is the warmest month in Yigou?
The warmest month in Yigou is July (27.2 °C on average); the coldest is January (-1.0 °C).
How much does it rain in Yigou?
Yigou receives on average 733 mm of precipitation per year, spread over about 78 rainy days.
Is it sunny in Yigou?
Yigou 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 Yigou?
The heaviest 24-hour snowfall measured in Yigou between 1940 and 2025 was 29 November 2011, with 15.4 cm.
Are there tropical nights in Yigou?
Yes: Yigou has on average 82 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yigou?
In Yigou, between 1940 and 2025, the highest apparent temperature reached 46.6 °C on 23 July 1959, and the lowest was -31.9 °C on 19 February 1952.
Compare Yigou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yigou