Lianghu climate — normals and trends
Lianghu (China) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 17.1 °C and it receives 1,519 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 (29.1 °C on average) and the coldest is January (4.9 °C). Rainfall peaks in June.
Lianghu averages 28 frost days, 80 hot days (≥ 30 °C) and 148 rainy days per year.
Lianghu has warmed by +1.9 °C between 1940 and 2025, or +0.23 °C per decade. This trend is statistically significant.
The number of frost days there went from about 39 to 17 per year over the period.
The hottest day of the period reached 43.9 °C (on 3 August 2024) and the coldest -14.5 °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
LianghuZhejiang
- coords
- 29.99°, 120.90°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
17.1°C
Average daily high
21.3°C
Average daily low
13.3°C
Annual rainfall
1,519mm
Sunshine / day
7.5h
Mean relative humidity
77%
Average peak wind
13.2km/h
Seasonal range
24.2°C
Frost days (< 0 °C)
28 d/yr
Hot days (≥ 30 °C)
80 d/yr
Rainy days (≥ 1 mm)
148 d/yr
Annual snowfall
13.2 cm
Average feels-like high
22.1 °C
Average feels-like low
13.4 °C
Average peak gust
31.0 km/h
Tropical nights (≥ 20 °C)
109 d/yr
Solar radiation
13.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.9 °C
since 1940
+0.2 °C per decade · r² = 0.48 · 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
43.9 °C
3 August 2024
Coldest day
-14.5 °C
6 February 1969
Wettest day
185 mm
23 September 1988
Windiest day
49.5 km/h
17 August 1953
Strongest gust
133.2 km/h
2 August 1956
Hottest feels-like
49.2 °C
3 August 2024
Coldest feels-like
-19.2 °C
6 February 1969
Snowiest day
14.8 cm
9 February 1977
Sunniest day
13.9 h
15 June 2018
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 | 12.4 °C | +3.6 °C | 16 mm | -46 mm |
| Feb | 10.6 °C | +0.3 °C | 51 mm | -25 mm |
| Mar | 18.2 °C | +3.3 °C | 61 mm | -52 mm |
| Apr | 26.4 °C | +5.4 °C | 52 mm | -86 mm |
| May | 28.3 °C | +2.9 °C | 215 mm | +23 mm |
| Jun | 31.1 °C | +2.5 °C | 387 mm | +87 mm |
| Jul | 33.6 °C | -0.1 °C | 278 mm | +118 mm |
| Aug | 37.5 °C | +4.6 °C | 44 mm | -104 mm |
| Sep | 34.4 °C | +6.1 °C | 104 mm | -38 mm |
| Oct | 27.9 °C | +4.9 °C | 40 mm | -38 mm |
| Nov | 18.9 °C | +1.4 °C | 42 mm | -20 mm |
| Dec | 15.5 °C | +4.1 °C | 15 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 Lianghu?
Lianghu has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 17.1 °C and it receives 1,519 mm of precipitation per year.
What is the hottest day ever recorded in Lianghu?
The hottest day measured in Lianghu between 1940 and 2025 was 3 August 2024, reaching 43.9 °C.
What is the coldest day in Lianghu?
The coldest day measured in Lianghu between 1940 and 2025 was 6 February 1969, at -14.5 °C.
Does it snow in Lianghu?
Yes. Lianghu gets on average 13.2 cm of snow per year and has around 28 frost days.
Has the climate of Lianghu warmed?
Yes: Lianghu warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lianghu?
The wettest day measured in Lianghu between 1940 and 2025 was 23 September 1988, with 185 mm of rain in 24 hours.
What was the windiest day in Lianghu?
The windiest day measured in Lianghu between 1940 and 2025 was 17 August 1953, with winds reaching 49.5 km/h.
What is the warmest month in Lianghu?
The warmest month in Lianghu is July (29.1 °C on average); the coldest is January (4.9 °C).
How much does it rain in Lianghu?
Lianghu receives on average 1,519 mm of precipitation per year, spread over about 148 rainy days.
Is it sunny in Lianghu?
Lianghu gets on average 7.5 hours of sunshine per day, roughly 2,738 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lianghu?
The heaviest 24-hour snowfall measured in Lianghu between 1940 and 2025 was 9 February 1977, with 14.8 cm.
Are there tropical nights in Lianghu?
Yes: Lianghu has on average 109 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lianghu?
In Lianghu, between 1940 and 2025, the highest apparent temperature reached 49.2 °C on 3 August 2024, and the lowest was -19.2 °C on 6 February 1969.
Compare Lianghu with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lianghu