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: 03:43
January 01, thursday
0600

23°F
SW
7 mph
7 mph
0900

23°F
SW
12 mph
12 mph
1200

23°F
S
17 mph
17 mph
1500

21°F
S
20 mph
20 mph
1800

18°F
S
19 mph
19 mph
2100

18°F
S
17 mph
17 mph
January 02, friday
0000

18°F
S
14 mph
14 mph
0300

19°F
S
15 mph
15 mph



























