Lulou climate — normals and trends
Lulou (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 934 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 (27.3 °C on average) and the coldest is January (0.1 °C). Rainfall peaks in July.
Lulou averages 75 frost days, 67 hot days (≥ 30 °C) and 85 rainy days per year.
Lulou has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.
The number of frost days there went from about 87 to 63 per year over the period.
The hottest day of the period reached 41.2 °C (on 3 July 1941) and the coldest -25.8 °C (on 11 January 1955).
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
LulouJiangsu
- coords
- 34.72°, 116.77°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
14.7°C
Average daily high
19.4°C
Average daily low
10.5°C
Annual rainfall
934mm
Sunshine / day
8.5h
Mean relative humidity
69%
Average peak wind
14.7km/h
Seasonal range
27.2°C
Frost days (< 0 °C)
75 d/yr
Hot days (≥ 30 °C)
67 d/yr
Rainy days (≥ 1 mm)
85 d/yr
Annual snowfall
14.0 cm
Average feels-like high
18.9 °C
Average feels-like low
9.3 °C
Average peak gust
30.5 km/h
Tropical nights (≥ 20 °C)
89 d/yr
Solar radiation
15.3 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.26 · 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
41.2 °C
3 July 1941
Coldest day
-25.8 °C
11 January 1955
Wettest day
187 mm
29 June 1942
Windiest day
44.3 km/h
17 April 1946
Strongest gust
87.5 km/h
25 June 1971
Hottest feels-like
45.8 °C
11 August 1946
Coldest feels-like
-31.2 °C
11 January 1955
Snowiest day
16.9 cm
7 February 1964
Sunniest day
13.9 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 | 8.1 °C | +3.3 °C | 7 mm | -9 mm |
| Feb | 8.8 °C | +1.2 °C | 3 mm | -18 mm |
| Mar | 16.4 °C | +2.7 °C | 51 mm | +17 mm |
| Apr | 24.4 °C | +3.9 °C | 29 mm | -28 mm |
| May | 27.9 °C | +1.9 °C | 23 mm | -44 mm |
| Jun | 32.6 °C | +2.0 °C | 116 mm | +8 mm |
| Jul | 35.4 °C | +4.3 °C | 29 mm | -240 mm |
| Aug | 33.0 °C | +2.7 °C | 168 mm | -11 mm |
| Sep | 25.8 °C | -0.5 °C | 229 mm | +131 mm |
| Oct | 18.8 °C | -2.3 °C | 139 mm | +96 mm |
| Nov | 16.8 °C | +3.0 °C | 13 mm | -17 mm |
| Dec | 9.7 °C | +2.7 °C | 12 mm | -2 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 Lulou?
Lulou has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 14.7 °C and it receives 934 mm of precipitation per year.
What is the hottest day ever recorded in Lulou?
The hottest day measured in Lulou between 1940 and 2025 was 3 July 1941, reaching 41.2 °C.
What is the coldest day in Lulou?
The coldest day measured in Lulou between 1940 and 2025 was 11 January 1955, at -25.8 °C.
Does it snow in Lulou?
Yes. Lulou gets on average 14.0 cm of snow per year and has around 75 frost days.
Has the climate of Lulou warmed?
Yes: Lulou warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Lulou?
The wettest day measured in Lulou between 1940 and 2025 was 29 June 1942, with 187 mm of rain in 24 hours.
What was the windiest day in Lulou?
The windiest day measured in Lulou between 1940 and 2025 was 17 April 1946, with winds reaching 44.3 km/h.
What is the warmest month in Lulou?
The warmest month in Lulou is July (27.3 °C on average); the coldest is January (0.1 °C).
How much does it rain in Lulou?
Lulou receives on average 934 mm of precipitation per year, spread over about 85 rainy days.
Is it sunny in Lulou?
Lulou gets on average 8.5 hours of sunshine per day, roughly 3,103 hours per year over 1940-2025.
What is the biggest single-day snowfall in Lulou?
The heaviest 24-hour snowfall measured in Lulou between 1940 and 2025 was 7 February 1964, with 16.9 cm.
Are there tropical nights in Lulou?
Yes: Lulou has on average 89 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Lulou?
In Lulou, between 1940 and 2025, the highest apparent temperature reached 45.8 °C on 11 August 1946, and the lowest was -31.2 °C on 11 January 1955.
Compare Lulou with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Lulou