Weather in Dalian: May
| Average day temperature: | 65.3°F | |
| Average night temperature: | 58.1°F | |
| Sea water temperature: | 54.8°F | |
| Number of sunny days: | 20 days | |
| Day length: | 13.8 - 14.7 hours | |
| Number of rainy days: | 2 days | |
| Precipitation totals: | 1.5 in. | |
| more information | ||
14 days
forecast
forecast
| Dalian |
sea water
temperature
temperature
| Dalian |
Air temperature in May, °F
Show year:
2025
2024
2023
The highest day temperature during May of 2025 was 73°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during May were 64.2°F and 56.4°F.
Sea water temperature in Dalian in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 56.7°F. The highest and lowest sea temperatures during the month were 62.8°F and 51.1°F.
Sunny, partly cloudy and cloudy days
Mostly all days in May are sunny but cloudy days are also possible.
Precipitation total in May, in.
Precipitation total value in Dalian in May is 1.7 in. Other months of the year show relatively similar values.
Wind speed in May, mph
The average wind speed value in May is 10.1 mph
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 10.4.
Best time for vacation in Dalian
Dalian on a weather map
Places in China:
Name
°F
24 Hours Forecast
Dalian
Local time: 17:04
December 05, friday
1800

41°F
NE
15 mph
15 mph
2100

43°F
NE
16 mph
16 mph
December 06, saturday
0000

43°F
NE
17 mph
17 mph
0300

43°F
NE
16 mph
16 mph
0600

43°F
NE
14 mph
14 mph
0900

45°F
NE
15 mph
15 mph
1200

48°F
E
17 mph
17 mph
1500

48°F
E
17 mph
17 mph





























