Yiwu climate — normals and trends
Yiwu (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.4 °C and it receives 1,491 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 (29.0 °C on average) and the coldest is January (5.4 °C). Rainfall peaks in June.
Yiwu averages 25 frost days, 87 hot days (≥ 30 °C) and 144 rainy days per year.
Yiwu has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 36 to 14 per year over the period.
The hottest day of the period reached 44.2 °C (on 3 August 2024) and the coldest -17.5 °C (on 6 February 1969).
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
YiwuZhejiang
- coords
- 29.32°, 120.08°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.4°C
Average daily high
21.9°C
Average daily low
13.5°C
Annual rainfall
1,491mm
Sunshine / day
7.3h
Mean relative humidity
75%
Average peak wind
10.8km/h
Seasonal range
23.6°C
Frost days (< 0 °C)
25 d/yr
Hot days (≥ 30 °C)
87 d/yr
Rainy days (≥ 1 mm)
144 d/yr
Annual snowfall
16.5 cm
Average feels-like high
22.9 °C
Average feels-like low
13.9 °C
Average peak gust
28.3 km/h
Tropical nights (≥ 20 °C)
112 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.55 · 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
44.2 °C
3 August 2024
Coldest day
-17.5 °C
6 February 1969
Wettest day
194 mm
22 July 1952
Windiest day
43.6 km/h
12 August 2004
Strongest gust
124.2 km/h
12 August 2004
Hottest feels-like
49.0 °C
3 August 2024
Coldest feels-like
-21.3 °C
6 February 1969
Snowiest day
16.1 cm
15 December 2010
Sunniest day
13.9 h
21 June 1943
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 | 14.5 °C | +5.0 °C | 17 mm | -43 mm |
| Feb | 11.9 °C | +0.9 °C | 70 mm | -10 mm |
| Mar | 18.8 °C | +3.1 °C | 85 mm | -38 mm |
| Apr | 27.0 °C | +5.4 °C | 85 mm | -74 mm |
| May | 28.8 °C | +2.9 °C | 200 mm | -18 mm |
| Jun | 31.8 °C | +2.9 °C | 296 mm | -12 mm |
| Jul | 33.9 °C | +0.3 °C | 116 mm | -26 mm |
| Aug | 39.2 °C | +5.7 °C | 33 mm | -88 mm |
| Sep | 36.5 °C | +7.4 °C | 69 mm | -39 mm |
| Oct | 29.2 °C | +5.6 °C | 23 mm | -41 mm |
| Nov | 19.3 °C | +1.3 °C | 49 mm | -12 mm |
| Dec | 16.7 °C | +4.7 °C | 19 mm | -30 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 Yiwu?
Yiwu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.4 °C and it receives 1,491 mm of precipitation per year.
What is the hottest day ever recorded in Yiwu?
The hottest day measured in Yiwu between 1940 and 2025 was 3 August 2024, reaching 44.2 °C.
What is the coldest day in Yiwu?
The coldest day measured in Yiwu between 1940 and 2025 was 6 February 1969, at -17.5 °C.
Does it snow in Yiwu?
Yes. Yiwu gets on average 16.5 cm of snow per year and has around 25 frost days.
Has the climate of Yiwu warmed?
Yes: Yiwu warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Yiwu?
The wettest day measured in Yiwu between 1940 and 2025 was 22 July 1952, with 194 mm of rain in 24 hours.
What was the windiest day in Yiwu?
The windiest day measured in Yiwu between 1940 and 2025 was 12 August 2004, with winds reaching 43.6 km/h.
What is the warmest month in Yiwu?
The warmest month in Yiwu is July (29.0 °C on average); the coldest is January (5.4 °C).
How much does it rain in Yiwu?
Yiwu receives on average 1,491 mm of precipitation per year, spread over about 144 rainy days.
Is it sunny in Yiwu?
Yiwu gets on average 7.3 hours of sunshine per day, roughly 2,665 hours per year over 1940-2025.
What is the biggest single-day snowfall in Yiwu?
The heaviest 24-hour snowfall measured in Yiwu between 1940 and 2025 was 15 December 2010, with 16.1 cm.
Are there tropical nights in Yiwu?
Yes: Yiwu has on average 112 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Yiwu?
In Yiwu, between 1940 and 2025, the highest apparent temperature reached 49.0 °C on 3 August 2024, and the lowest was -21.3 °C on 6 February 1969.
Compare Yiwu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Yiwu