Dalian Weather in May
With daytime temperatures of 17°C (63°F) and nighttime lows of 13°C (55°F), May in Dalian brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 61 mm (2.4 in) falls on average.
Rainfall in Dalian in May
You can expect rain on roughly 7 days based on historical data, averaging 61 mm (2.4 in) for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.
Temperature in Dalian in May
May in Dalian brings typical temperatures with highs around 17°C (63°F) and lows of 13°C (55°F). The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Dalian in May
The month enjoys around 281 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Dalian in May
May has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in May
With water at 17°C (63°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.For Dalian itself, June and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Dalian's climate page.
Dalian Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
17°C (63°F)
Water Temperature
17°C (63°F)
Chance of Rain
23%
Precipitation
61 mm (2.4 in)
Rainy days
7 days
Humidity
62%
Windspeed
5 m/s (10 knots)
Sunshine
281 hours
Percentage Sunshine
63%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Dalian typically rise from around 19°C (66°F) at the start of May to approximately 24°C (75°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Dalian in May
Browse day-by-day weather records for Dalian spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Dalian historical weather extremes in May
The extremes listed below come from historical weather data collected in Dalian from 1976 through 2026.
- The hottest May day on record in Dalian reached 35°C (95°F) (May 24, 2019).
- The lowest daytime temperature in May was 8°C (46°F), recorded on May 2, 1990.
- Dalian registered its coldest May night on May 9, 2022, with temperatures dropping to 5°C (41°F).
Best Places in China in May
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in May →
perfect weather
pleasant
tolerable
unpleasant
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What to Wear in Dalian in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. The water temperature sits at about 17°C (63°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Dalian in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Dalian's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Dalian climate overview or explore weather in China.
