Haining climate — normals and trends
Haining (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.0 °C and it receives 1,614 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 (28.8 °C on average) and the coldest is January (5.0 °C). Rainfall peaks in June.
Haining averages 15 frost days, 58 hot days (≥ 30 °C) and 139 rainy days per year.
Haining 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 22 to 8 per year over the period.
The hottest day of the period reached 40.2 °C (on 20 July 2009) and the coldest -9.8 °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
HainingZhejiang
- coords
- 30.54°, 120.69°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.0°C
Average daily high
19.9°C
Average daily low
14.4°C
Annual rainfall
1,614mm
Sunshine / day
7.7h
Mean relative humidity
78%
Average peak wind
18.0km/h
Seasonal range
23.8°C
Frost days (< 0 °C)
15 d/yr
Hot days (≥ 30 °C)
58 d/yr
Rainy days (≥ 1 mm)
139 d/yr
Annual snowfall
8.3 cm
Average feels-like high
20.6 °C
Average feels-like low
14.0 °C
Average peak gust
31.3 km/h
Tropical nights (≥ 20 °C)
121 d/yr
Solar radiation
14.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.45 · 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
40.2 °C
20 July 2009
Coldest day
-9.8 °C
6 February 1969
Wettest day
168 mm
15 October 1964
Windiest day
67.1 km/h
11 September 2005
Strongest gust
142.6 km/h
2 August 1956
Hottest feels-like
46.9 °C
1 August 2003
Coldest feels-like
-14.8 °C
6 February 1969
Snowiest day
14.3 cm
17 February 1964
Sunniest day
14.0 h
20 June 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 | 10.8 °C | +2.9 °C | 15 mm | -55 mm |
| Feb | 9.3 °C | +0.3 °C | 46 mm | -51 mm |
| Mar | 16.5 °C | +3.3 °C | 111 mm | -31 mm |
| Apr | 23.2 °C | +4.5 °C | 69 mm | -84 mm |
| May | 26.1 °C | +2.6 °C | 191 mm | -8 mm |
| Jun | 29.1 °C | +2.0 °C | 461 mm | +146 mm |
| Jul | 32.3 °C | +0.6 °C | 257 mm | +97 mm |
| Aug | 34.8 °C | +3.4 °C | 48 mm | -85 mm |
| Sep | 31.8 °C | +4.5 °C | 130 mm | -8 mm |
| Oct | 25.8 °C | +3.6 °C | 45 mm | -36 mm |
| Nov | 17.9 °C | +1.2 °C | 40 mm | -29 mm |
| Dec | 13.9 °C | +3.3 °C | 17 mm | -40 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 Haining?
Haining has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.0 °C and it receives 1,614 mm of precipitation per year.
What is the hottest day ever recorded in Haining?
The hottest day measured in Haining between 1940 and 2025 was 20 July 2009, reaching 40.2 °C.
What is the coldest day in Haining?
The coldest day measured in Haining between 1940 and 2025 was 6 February 1969, at -9.8 °C.
Does it snow in Haining?
Yes. Haining gets on average 8.3 cm of snow per year and has around 15 frost days.
Has the climate of Haining warmed?
Yes: Haining warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Haining?
The wettest day measured in Haining between 1940 and 2025 was 15 October 1964, with 168 mm of rain in 24 hours.
What was the windiest day in Haining?
The windiest day measured in Haining between 1940 and 2025 was 11 September 2005, with winds reaching 67.1 km/h.
What is the warmest month in Haining?
The warmest month in Haining is July (28.8 °C on average); the coldest is January (5.0 °C).
How much does it rain in Haining?
Haining receives on average 1,614 mm of precipitation per year, spread over about 139 rainy days.
Is it sunny in Haining?
Haining gets on average 7.7 hours of sunshine per day, roughly 2,811 hours per year over 1940-2025.
What is the biggest single-day snowfall in Haining?
The heaviest 24-hour snowfall measured in Haining between 1940 and 2025 was 17 February 1964, with 14.3 cm.
Are there tropical nights in Haining?
Yes: Haining has on average 121 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Haining?
In Haining, between 1940 and 2025, the highest apparent temperature reached 46.9 °C on 1 August 2003, and the lowest was -14.8 °C on 6 February 1969.
Compare Haining with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Haining