Haiyang climate — normals and trends
Haiyang (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 16.0 °C and it receives 1,910 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 (27.4 °C on average) and the coldest is January (3.9 °C). Rainfall peaks in June.
Haiyang averages 35 frost days, 65 hot days (≥ 30 °C) and 157 rainy days per year.
Haiyang has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.
The number of frost days there went from about 45 to 25 per year over the period.
The hottest day of the period reached 40.0 °C (on 4 August 2024) and the coldest -17.9 °C (on 24 January 1940).
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
HaiyangAnhui
- coords
- 29.79°, 118.18°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
16.0°C
Average daily high
20.2°C
Average daily low
12.3°C
Annual rainfall
1,910mm
Sunshine / day
7.3h
Mean relative humidity
78%
Average peak wind
10.1km/h
Seasonal range
23.5°C
Frost days (< 0 °C)
35 d/yr
Hot days (≥ 30 °C)
65 d/yr
Rainy days (≥ 1 mm)
157 d/yr
Annual snowfall
25.0 cm
Average feels-like high
20.9 °C
Average feels-like low
12.4 °C
Average peak gust
29.0 km/h
Tropical nights (≥ 20 °C)
97 d/yr
Solar radiation
13.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.46 · 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
40.0 °C
4 August 2024
Coldest day
-17.9 °C
24 January 1940
Wettest day
229 mm
21 June 1955
Windiest day
31.4 km/h
2 August 1996
Strongest gust
96.1 km/h
13 August 2004
Hottest feels-like
45.8 °C
31 July 2003
Coldest feels-like
-22.8 °C
24 January 1940
Snowiest day
22.5 cm
22 January 1998
Sunniest day
13.8 h
17 June 2025
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 | 12.3 °C | +4.4 °C | 26 mm | -43 mm |
| Feb | 9.5 °C | +0.1 °C | 71 mm | -36 mm |
| Mar | 16.7 °C | +2.5 °C | 109 mm | -66 mm |
| Apr | 24.6 °C | +4.5 °C | 128 mm | -96 mm |
| May | 26.8 °C | +2.3 °C | 216 mm | -63 mm |
| Jun | 29.1 °C | +1.6 °C | 375 mm | -25 mm |
| Jul | 33.3 °C | +1.8 °C | 60 mm | -141 mm |
| Aug | 35.5 °C | +4.2 °C | 59 mm | -92 mm |
| Sep | 31.9 °C | +4.6 °C | 149 mm | +34 mm |
| Oct | 25.6 °C | +3.7 °C | 33 mm | -39 mm |
| Nov | 18.0 °C | +1.8 °C | 34 mm | -33 mm |
| Dec | 14.3 °C | +4.1 °C | 24 mm | -28 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 Haiyang?
Haiyang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 16.0 °C and it receives 1,910 mm of precipitation per year.
What is the hottest day ever recorded in Haiyang?
The hottest day measured in Haiyang between 1940 and 2025 was 4 August 2024, reaching 40.0 °C.
What is the coldest day in Haiyang?
The coldest day measured in Haiyang between 1940 and 2025 was 24 January 1940, at -17.9 °C.
Does it snow in Haiyang?
Yes. Haiyang gets on average 25.0 cm of snow per year and has around 35 frost days.
Has the climate of Haiyang warmed?
Yes: Haiyang warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Haiyang?
The wettest day measured in Haiyang between 1940 and 2025 was 21 June 1955, with 229 mm of rain in 24 hours.
What was the windiest day in Haiyang?
The windiest day measured in Haiyang between 1940 and 2025 was 2 August 1996, with winds reaching 31.4 km/h.
What is the warmest month in Haiyang?
The warmest month in Haiyang is July (27.4 °C on average); the coldest is January (3.9 °C).
How much does it rain in Haiyang?
Haiyang receives on average 1,910 mm of precipitation per year, spread over about 157 rainy days.
Is it sunny in Haiyang?
Haiyang 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 Haiyang?
The heaviest 24-hour snowfall measured in Haiyang between 1940 and 2025 was 22 January 1998, with 22.5 cm.
Are there tropical nights in Haiyang?
Yes: Haiyang has on average 97 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Haiyang?
In Haiyang, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 31 July 2003, and the lowest was -22.8 °C on 24 January 1940.
Compare Haiyang with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Haiyang