Yidu climate — normals and trends
Yidu (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 13.3 °C and it receives 735 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 (26.6 °C on average) and the coldest is January (-2.2 °C). Rainfall peaks in July.
Yidu averages 101 frost days, 59 hot days (≥ 30 °C) and 79 rainy days per year.
Yidu has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.
The number of frost days there went from about 113 to 89 per year over the period.
The hottest day of the period reached 41.4 °C (on 5 July 2025) and the coldest -23.6 °C (on 18 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
YiduShandong
- coords
- 36.77°, 118.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
13.3°C
Average daily high
18.4°C
Average daily low
8.6°C
Annual rainfall
735mm
Sunshine / day
9.1h
Mean relative humidity
63%
Average peak wind
15.3km/h
Seasonal range
28.8°C
Frost days (< 0 °C)
101 d/yr
Hot days (≥ 30 °C)
59 d/yr
Rainy days (≥ 1 mm)
79 d/yr
Annual snowfall
20.2 cm
Average feels-like high
17.1 °C
Average feels-like low
6.9 °C
Average peak gust
32.4 km/h
Tropical nights (≥ 20 °C)
70 d/yr
Solar radiation
15.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °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
41.4 °C
5 July 2025
Coldest day
-23.6 °C
18 January 1958
Wettest day
148 mm
13 August 1974
Windiest day
48.5 km/h
26 April 1983
Strongest gust
101.9 km/h
2 August 1940
Hottest feels-like
44.7 °C
3 July 1941
Coldest feels-like
-28.8 °C
18 January 1958
Snowiest day
17.2 cm
2 March 2025
Sunniest day
14.0 h
18 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 | 6.5 °C | +3.6 °C | 3 mm | -8 mm |
| Feb | 7.6 °C | +1.8 °C | 3 mm | -13 mm |
| Mar | 15.3 °C | +2.9 °C | 54 mm | +32 mm |
| Apr | 24.0 °C | +4.2 °C | 31 mm | -13 mm |
| May | 27.1 °C | +1.6 °C | 28 mm | -30 mm |
| Jun | 32.6 °C | +2.9 °C | 45 mm | -41 mm |
| Jul | 34.7 °C | +4.0 °C | 124 mm | -63 mm |
| Aug | 32.6 °C | +2.9 °C | 125 mm | -32 mm |
| Sep | 27.2 °C | +1.2 °C | 161 mm | +85 mm |
| Oct | 17.9 °C | -2.4 °C | 169 mm | +129 mm |
| Nov | 15.7 °C | +3.4 °C | 3 mm | -23 mm |
| Dec | 7.9 °C | +2.8 °C | 16 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 Yidu?
Yidu has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 13.3 °C and it receives 735 mm of precipitation per year.
What is the hottest day ever recorded in Yidu?
The hottest day measured in Yidu between 1940 and 2025 was 5 July 2025, reaching 41.4 °C.
What is the coldest day in Yidu?
The coldest day measured in Yidu between 1940 and 2025 was 18 January 1958, at -23.6 °C.
Does it snow in Yidu?
Yes. Yidu gets on average 20.2 cm of snow per year and has around 101 frost days.
Has the climate of Yidu warmed?
Yes: Yidu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yidu?
The wettest day measured in Yidu between 1940 and 2025 was 13 August 1974, with 148 mm of rain in 24 hours.
What was the windiest day in Yidu?
The windiest day measured in Yidu between 1940 and 2025 was 26 April 1983, with winds reaching 48.5 km/h.
What is the warmest month in Yidu?
The warmest month in Yidu is July (26.6 °C on average); the coldest is January (-2.2 °C).
How much does it rain in Yidu?
Yidu receives on average 735 mm of precipitation per year, spread over about 79 rainy days.
Is it sunny in Yidu?
Yidu gets on average 9.1 hours of sunshine per day, roughly 3,322 hours per year over 1940-2025.
What is the biggest single-day snowfall in Yidu?
The heaviest 24-hour snowfall measured in Yidu between 1940 and 2025 was 2 March 2025, with 17.2 cm.
Are there tropical nights in Yidu?
Yes: Yidu has on average 70 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yidu?
In Yidu, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 3 July 1941, and the lowest was -28.8 °C on 18 January 1958.
Compare Yidu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yidu