Hede climate — normals and trends
Hede (China) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 14.7 °C and it receives 1,078 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 (26.9 °C on average) and the coldest is January (1.5 °C). Rainfall peaks in July.
Hede averages 60 frost days, 43 hot days (≥ 30 °C) and 100 rainy days per year.
Hede 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 73 to 47 per year over the period.
The hottest day of the period reached 40.0 °C (on 8 July 1978) and the coldest -15.8 °C (on 13 February 1957).
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
HedeJiangsu
- coords
- 33.77°, 120.26°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.7°C
Average daily high
18.8°C
Average daily low
11.0°C
Annual rainfall
1,078mm
Sunshine / day
8.4h
Mean relative humidity
75%
Average peak wind
17.1km/h
Seasonal range
25.4°C
Frost days (< 0 °C)
60 d/yr
Hot days (≥ 30 °C)
43 d/yr
Rainy days (≥ 1 mm)
100 d/yr
Annual snowfall
7.8 cm
Average feels-like high
18.4 °C
Average feels-like low
9.9 °C
Average peak gust
34.1 km/h
Tropical nights (≥ 20 °C)
87 d/yr
Solar radiation
15.0 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.6 °C
since 1940
+0.2 °C per decade · r² = 0.39 · 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
8 July 1978
Coldest day
-15.8 °C
13 February 1957
Wettest day
166 mm
2 September 1962
Windiest day
63.7 km/h
1 September 1990
Strongest gust
110.9 km/h
1 September 1990
Hottest feels-like
46.3 °C
2 August 2003
Coldest feels-like
-21.0 °C
13 February 1957
Snowiest day
12.6 cm
4 March 1952
Sunniest day
14.0 h
27 May 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 | 8.7 °C | +3.0 °C | 3 mm | -24 mm |
| Feb | 8.5 °C | +1.1 °C | 9 mm | -28 mm |
| Mar | 15.5 °C | +3.3 °C | 42 mm | -10 mm |
| Apr | 23.0 °C | +4.5 °C | 13 mm | -53 mm |
| May | 26.0 °C | +2.2 °C | 57 mm | -33 mm |
| Jun | 29.4 °C | +2.1 °C | 260 mm | +116 mm |
| Jul | 33.1 °C | +3.0 °C | 114 mm | -144 mm |
| Aug | 32.3 °C | +2.3 °C | 270 mm | +114 mm |
| Sep | 27.7 °C | +1.8 °C | 295 mm | +166 mm |
| Oct | 22.0 °C | +0.9 °C | 81 mm | +30 mm |
| Nov | 17.0 °C | +2.1 °C | 19 mm | -25 mm |
| Dec | 10.9 °C | +2.5 °C | 8 mm | -16 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 Hede?
Hede has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 14.7 °C and it receives 1,078 mm of precipitation per year.
What is the hottest day ever recorded in Hede?
The hottest day measured in Hede between 1940 and 2025 was 8 July 1978, reaching 40.0 °C.
What is the coldest day in Hede?
The coldest day measured in Hede between 1940 and 2025 was 13 February 1957, at -15.8 °C.
Does it snow in Hede?
Yes. Hede gets on average 7.8 cm of snow per year and has around 60 frost days.
Has the climate of Hede warmed?
Yes: Hede warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Hede?
The wettest day measured in Hede between 1940 and 2025 was 2 September 1962, with 166 mm of rain in 24 hours.
What was the windiest day in Hede?
The windiest day measured in Hede between 1940 and 2025 was 1 September 1990, with winds reaching 63.7 km/h.
What is the warmest month in Hede?
The warmest month in Hede is July (26.9 °C on average); the coldest is January (1.5 °C).
How much does it rain in Hede?
Hede receives on average 1,078 mm of precipitation per year, spread over about 100 rainy days.
Is it sunny in Hede?
Hede gets on average 8.4 hours of sunshine per day, roughly 3,066 hours per year over 1940-2025.
What is the biggest single-day snowfall in Hede?
The heaviest 24-hour snowfall measured in Hede between 1940 and 2025 was 4 March 1952, with 12.6 cm.
Are there tropical nights in Hede?
Yes: Hede has on average 87 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Hede?
In Hede, between 1940 and 2025, the highest apparent temperature reached 46.3 °C on 2 August 2003, and the lowest was -21.0 °C on 13 February 1957.
Compare Hede with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Hede