Ānwén climate — normals and trends
Ānwén (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.3 °C and it receives 1,561 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 (27.5 °C on average) and the coldest is January (4.6 °C). Rainfall peaks in June.
Ānwén averages 32 frost days, 68 hot days (≥ 30 °C) and 158 rainy days per year.
Ānwén has warmed by +2.2 °C between 1940 and 2025, or +0.26 °C per decade. This trend is statistically significant.
The number of frost days there went from about 45 to 19 per year over the period.
The hottest day of the period reached 40.5 °C (on 23 July 2022) and the coldest -17.7 °C (on 16 January 1970).
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
ĀnwénZhejiang
- coords
- 29.06°, 120.44°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.3°C
Average daily high
20.7°C
Average daily low
12.6°C
Annual rainfall
1,561mm
Sunshine / day
7.1h
Mean relative humidity
78%
Average peak wind
10.5km/h
Seasonal range
22.9°C
Frost days (< 0 °C)
32 d/yr
Hot days (≥ 30 °C)
68 d/yr
Rainy days (≥ 1 mm)
158 d/yr
Annual snowfall
21.0 cm
Average feels-like high
21.5 °C
Average feels-like low
12.8 °C
Average peak gust
29.7 km/h
Tropical nights (≥ 20 °C)
101 d/yr
Solar radiation
13.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.2 °C
since 1940
+0.3 °C per decade · r² = 0.57 · 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
40.5 °C
23 July 2022
Coldest day
-17.7 °C
16 January 1970
Wettest day
212 mm
21 July 1989
Windiest day
44.4 km/h
12 August 2004
Strongest gust
142.2 km/h
12 August 2004
Hottest feels-like
46.7 °C
4 August 2024
Coldest feels-like
-22.0 °C
16 January 1970
Snowiest day
19.8 cm
15 December 2010
Sunniest day
13.9 h
18 June 1944
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 | 12.8 °C | +4.0 °C | 16 mm | -41 mm |
| Feb | 10.8 °C | +0.5 °C | 67 mm | -11 mm |
| Mar | 17.9 °C | +3.0 °C | 71 mm | -53 mm |
| Apr | 25.1 °C | +4.6 °C | 118 mm | -43 mm |
| May | 26.8 °C | +2.2 °C | 220 mm | -8 mm |
| Jun | 30.8 °C | +3.1 °C | 283 mm | -27 mm |
| Jul | 31.8 °C | -0.3 °C | 151 mm | -3 mm |
| Aug | 35.5 °C | +4.0 °C | 53 mm | -91 mm |
| Sep | 34.4 °C | +6.9 °C | 78 mm | -47 mm |
| Oct | 27.6 °C | +5.3 °C | 57 mm | -14 mm |
| Nov | 18.1 °C | +1.2 °C | 66 mm | +3 mm |
| Dec | 15.4 °C | +4.2 °C | 14 mm | -35 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 Ānwén?
Ānwén has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.3 °C and it receives 1,561 mm of precipitation per year.
What is the hottest day ever recorded in Ānwén?
The hottest day measured in Ānwén between 1940 and 2025 was 23 July 2022, reaching 40.5 °C.
What is the coldest day in Ānwén?
The coldest day measured in Ānwén between 1940 and 2025 was 16 January 1970, at -17.7 °C.
Does it snow in Ānwén?
Yes. Ānwén gets on average 21.0 cm of snow per year and has around 32 frost days.
Has the climate of Ānwén warmed?
Yes: Ānwén warmed by +2.2 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ānwén?
The wettest day measured in Ānwén between 1940 and 2025 was 21 July 1989, with 212 mm of rain in 24 hours.
What was the windiest day in Ānwén?
The windiest day measured in Ānwén between 1940 and 2025 was 12 August 2004, with winds reaching 44.4 km/h.
What is the warmest month in Ānwén?
The warmest month in Ānwén is July (27.5 °C on average); the coldest is January (4.6 °C).
How much does it rain in Ānwén?
Ānwén receives on average 1,561 mm of precipitation per year, spread over about 158 rainy days.
Is it sunny in Ānwén?
Ānwén gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.
What is the biggest single-day snowfall in Ānwén?
The heaviest 24-hour snowfall measured in Ānwén between 1940 and 2025 was 15 December 2010, with 19.8 cm.
Are there tropical nights in Ānwén?
Yes: Ānwén has on average 101 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ānwén?
In Ānwén, between 1940 and 2025, the highest apparent temperature reached 46.7 °C on 4 August 2024, and the lowest was -22.0 °C on 16 January 1970.
Compare Ānwén with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ānwén