Ninghai climate — normals and trends
Ninghai (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °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 (28.0 °C on average) and the coldest is January (5.8 °C). Rainfall peaks in June.
Ninghai averages 11 frost days, 57 hot days (≥ 30 °C) and 159 rainy days per year.
Ninghai has warmed by +2.0 °C between 1940 and 2025, or +0.24 °C per decade. This trend is statistically significant.
The number of frost days there went from about 18 to 4 per year over the period.
The hottest day of the period reached 40.0 °C (on 23 July 2022) and the coldest -8.4 °C (on 1 February 1980).
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
NinghaiZhejiang
- coords
- 29.29°, 121.42°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.1°C
Average daily high
20.3°C
Average daily low
14.4°C
Annual rainfall
1,614mm
Sunshine / day
7.3h
Mean relative humidity
80%
Average peak wind
14.0km/h
Seasonal range
22.2°C
Frost days (< 0 °C)
11 d/yr
Hot days (≥ 30 °C)
57 d/yr
Rainy days (≥ 1 mm)
159 d/yr
Annual snowfall
8.3 cm
Average feels-like high
21.3 °C
Average feels-like low
14.7 °C
Average peak gust
32.8 km/h
Tropical nights (≥ 20 °C)
118 d/yr
Solar radiation
13.5 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.0 °C
since 1940
+0.2 °C per decade · r² = 0.60 · 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
23 July 2022
Coldest day
-8.4 °C
1 February 1980
Wettest day
207 mm
11 September 2005
Windiest day
62.8 km/h
12 August 2004
Strongest gust
146.5 km/h
12 August 2004
Hottest feels-like
47.0 °C
9 July 2023
Coldest feels-like
-13.6 °C
16 January 1967
Snowiest day
12.0 cm
14 February 1968
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 | 11.9 °C | +2.9 °C | 16 mm | -40 mm |
| Feb | 10.4 °C | +0.3 °C | 55 mm | -17 mm |
| Mar | 17.2 °C | +3.1 °C | 60 mm | -51 mm |
| Apr | 23.6 °C | +4.2 °C | 89 mm | -51 mm |
| May | 26.2 °C | +2.6 °C | 213 mm | +14 mm |
| Jun | 30.4 °C | +3.2 °C | 284 mm | -7 mm |
| Jul | 31.5 °C | -0.1 °C | 342 mm | +164 mm |
| Aug | 34.6 °C | +3.8 °C | 67 mm | -128 mm |
| Sep | 32.7 °C | +5.4 °C | 138 mm | -31 mm |
| Oct | 26.6 °C | +4.3 °C | 40 mm | -45 mm |
| Nov | 18.4 °C | +1.2 °C | 72 mm | +2 mm |
| Dec | 14.7 °C | +3.2 °C | 13 mm | -39 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 Ninghai?
Ninghai has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 1,614 mm of precipitation per year.
What is the hottest day ever recorded in Ninghai?
The hottest day measured in Ninghai between 1940 and 2025 was 23 July 2022, reaching 40.0 °C.
What is the coldest day in Ninghai?
The coldest day measured in Ninghai between 1940 and 2025 was 1 February 1980, at -8.4 °C.
Does it snow in Ninghai?
Yes. Ninghai gets on average 8.3 cm of snow per year and has around 11 frost days.
Has the climate of Ninghai warmed?
Yes: Ninghai warmed by +2.0 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Ninghai?
The wettest day measured in Ninghai between 1940 and 2025 was 11 September 2005, with 207 mm of rain in 24 hours.
What was the windiest day in Ninghai?
The windiest day measured in Ninghai between 1940 and 2025 was 12 August 2004, with winds reaching 62.8 km/h.
What is the warmest month in Ninghai?
The warmest month in Ninghai is July (28.0 °C on average); the coldest is January (5.8 °C).
How much does it rain in Ninghai?
Ninghai receives on average 1,614 mm of precipitation per year, spread over about 159 rainy days.
Is it sunny in Ninghai?
Ninghai 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 Ninghai?
The heaviest 24-hour snowfall measured in Ninghai between 1940 and 2025 was 14 February 1968, with 12.0 cm.
Are there tropical nights in Ninghai?
Yes: Ninghai has on average 118 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Ninghai?
In Ninghai, between 1940 and 2025, the highest apparent temperature reached 47.0 °C on 9 July 2023, and the lowest was -13.6 °C on 16 January 1967.
Compare Ninghai with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Ninghai