Dalian climate — normals and trends
Dalian (China) has a hot-summer humid continental, dry winter climate (Dwa) under the Köppen-Geiger classification. Its mean annual temperature is 11.0 °C and it receives 711 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 August (24.5 °C on average) and the coldest is January (-2.4 °C). Rainfall peaks in July.
Dalian averages 79 frost days, 0 hot days (≥ 30 °C) and 73 rainy days per year.
Dalian 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 89 to 69 per year over the period.
The hottest day of the period reached 31.3 °C (on 1 August 2018) and the coldest -15.4 °C (on 4 January 1970).
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
DalianLiaoning
- coords
- 38.91°, 121.60°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
11.0°C
Average daily high
12.4°C
Average daily low
9.7°C
Annual rainfall
711mm
Sunshine / day
9.4h
Mean relative humidity
74%
Average peak wind
27.4km/h
Seasonal range
26.9°C
Frost days (< 0 °C)
79 d/yr
Hot days (≥ 30 °C)
0 d/yr
Rainy days (≥ 1 mm)
73 d/yr
Annual snowfall
23.2 cm
Average feels-like high
10.5 °C
Average feels-like low
6.2 °C
Average peak gust
38.8 km/h
Tropical nights (≥ 20 °C)
82 d/yr
Solar radiation
15.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.36 · 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
31.3 °C
1 August 2018
Coldest day
-15.4 °C
4 January 1970
Wettest day
191 mm
1 September 1992
Windiest day
76.0 km/h
4 March 2007
Strongest gust
125.6 km/h
28 July 1960
Hottest feels-like
39.5 °C
2 August 2018
Coldest feels-like
-25.0 °C
24 January 1948
Snowiest day
25.6 cm
2 March 1971
Sunniest day
14.0 h
20 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 | 1.6 °C | +2.1 °C | 9 mm | -2 mm |
| Feb | 0.8 °C | +0.6 °C | 7 mm | -4 mm |
| Mar | 6.1 °C | +2.3 °C | 5 mm | -14 mm |
| Apr | 11.3 °C | +2.0 °C | 23 mm | -17 mm |
| May | 16.4 °C | +1.5 °C | 32 mm | -28 mm |
| Jun | 22.3 °C | +2.3 °C | 50 mm | -36 mm |
| Jul | 27.1 °C | +3.1 °C | 186 mm | +22 mm |
| Aug | 27.4 °C | +2.0 °C | 294 mm | +135 mm |
| Sep | 24.4 °C | +2.1 °C | 89 mm | +15 mm |
| Oct | 16.2 °C | -0.5 °C | 58 mm | +18 mm |
| Nov | 11.8 °C | +2.1 °C | 3 mm | -27 mm |
| Dec | 4.3 °C | +1.2 °C | 15 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 Dalian?
Dalian has a hot-summer humid continental, dry winter climate (Köppen Dwa). Over 1940-2025, the average annual temperature is 11.0 °C and it receives 711 mm of precipitation per year.
What is the hottest day ever recorded in Dalian?
The hottest day measured in Dalian between 1940 and 2025 was 1 August 2018, reaching 31.3 °C.
What is the coldest day in Dalian?
The coldest day measured in Dalian between 1940 and 2025 was 4 January 1970, at -15.4 °C.
Does it snow in Dalian?
Yes. Dalian gets on average 23.2 cm of snow per year and has around 79 frost days.
Has the climate of Dalian warmed?
Yes: Dalian warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Dalian?
The wettest day measured in Dalian between 1940 and 2025 was 1 September 1992, with 191 mm of rain in 24 hours.
What was the windiest day in Dalian?
The windiest day measured in Dalian between 1940 and 2025 was 4 March 2007, with winds reaching 76.0 km/h.
What is the warmest month in Dalian?
The warmest month in Dalian is August (24.5 °C on average); the coldest is January (-2.4 °C).
How much does it rain in Dalian?
Dalian receives on average 711 mm of precipitation per year, spread over about 73 rainy days.
Is it sunny in Dalian?
Dalian gets on average 9.4 hours of sunshine per day, roughly 3,431 hours per year over 1940-2025.
What is the biggest single-day snowfall in Dalian?
The heaviest 24-hour snowfall measured in Dalian between 1940 and 2025 was 2 March 1971, with 25.6 cm.
Are there tropical nights in Dalian?
Yes: Dalian has on average 82 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Dalian?
In Dalian, between 1940 and 2025, the highest apparent temperature reached 39.5 °C on 2 August 2018, and the lowest was -25.0 °C on 24 January 1948.
Compare Dalian with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Dalian