Dalian Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Dalian.
Climate overview of Dalian
Dalian, Liaoning, China, sees big temperature differences between seasons, with August peaking at 27°C (81°F) and January dropping to 2°C (36°F).
Annual rain/snowfall is moderate at around 643 mm (25 in), with July being the wettest month. The city also has a distinct dry season from October to April, with warm summers and very cold winters. Sunshine peaks in May, when the city sees around 9.4 hours of sunshine per day.
Dalian Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Dalian - and find the best time to visit.
Monthly Temperature in Dalian
Visitors to Dalian can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 27°C (81°F) in August. In January, the coolest month of the year, temperatures drop to a very cold 2°C (36°F).
At night, temperatures range from around 24°C (75°F) in August to -4°C (25°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Dalian
Generally, Dalian experiences moderate precipitation patterns, averaging 643 mm (25 in) yearly. Dalian can be quite wet during July, receiving approximately 142 mm (5.6 in) of precipitation over 15 rainy days.
In contrast, during the driest month (January), you will experience much drier conditions, with 9.9 mm (0.4 in) of precipitation spread across 3 snowy/rainy days. For more details, please visit our Dalian Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Dalian
Dalian experiences moderate variation in sunshine hours across the seasons. With 9.4 hours daily sunshine in May, it dips to 6.0 hours in December, offering a balanced mix of sunny and overcast days.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Water Temperature in Dalian
The mean water temperature over the year ranges from 2°C (36°F) in January to 24°C (75°F) in July.
Water temperature over the year
Humidity in Dalian by Month
The relative humidity is high throughout the year in Dalian.
The city experiences its highest humidity in July, reaching 84%. In March, the humidity drops to its lowest level at 55%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Dalian
The mean wind speed varies between 3 m/s (6 knots) and 5 m/s (10 knots) throughout the year. It is lowest in August and highest during March, April, May and November. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Dalian
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June and September
- Warmest weather: July and August
- Most sunshine: May and June
- Fewest rainy days: January, February, March and December
- Best for swimming: June, July and August.
- Wettest months: May, June, July and August, when rainfall is highest.
- Seasonal pattern: A distinct dry season from October to April, with warm summers and very cold winters
- Coldest conditions: January, with freezing nights around -4°C (25°F).
Frequently asked questions about the climate in Dalian
What is the best time to visit Dalian?
June and September typically offer the most optimal weather in Dalian. In contrast, January and February tend to have less optimal conditions. Dalian has a distinct dry season from October to April, with warm summers and very cold winters.
What temperatures can I expect in Dalian?
Daytime highs range from 2°C (36°F) in January to 27°C (81°F) in August. Nighttime lows range from -4°C (25°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Dalian get?
Annual rainfall is around 643 mm (25 in). July is the wettest month with 142 mm (5.6 in), while January is the driest with 9.9 mm (0.4 in).
How sunny is Dalian?
Dalian receives around 2,774 hours of sunshine per year. May is the sunniest month with 281 hours, while December is the cloudiest with just 180 hours. Overall, Dalian enjoys abundant sunshine.
Dalian 3-Day Forecast
Dalian on the map
Dalian is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Hangzhou
34°C (93°F) Guangzhou34°C (93°F) Shanghai32°C (90°F) Xi'an
33°C (91°F) Beijing32°C (90°F) Shenzhen32°C (90°F) Chengdu31°C (88°F) Qingdao29°C (84°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The Li River: A Journey Through China’s Most Breathtaking Landscape
Explore the Li River, China's breathtaking landscape with majestic mountains, serene waters, and picturesque views. A must-see for every traveler.
Go to China's Zhangjiajie National Park with the highest, the fastest, largest-loaded outdoor elevator in the world
You won't find this unique landscape anywhere else in the world. Thousands of floating mountains overgrown with trees at the top dominate this fairy tale landscape.
Go to Xinjiang in China
In Xinjiang you get to see a mix of East and Central Asia. An experience that you might want to add to your bucket list. You can travel through the province as if you are following an ancient silk route.
Mount Kailash
The best time for a Kailash tour/trekking is from mid-May to mid-October when the temperature is most pleasant. It is warm, dry and sunny in that period.