May weather forecast
Dalian, China

The city of Dalian shifts further into the arms of spring with the arrival of May. The warming trend continues, and daylight hours stretch longer, offering more opportunities to explore the city and its surroundings. This month sees a jump in sea temperatures, indicating the beginning of beach season in Dalian. Visitors can expect occasional rain showers throughout the month. Nevertheless, the harmonious marriage of mild temperature and ample sunshine makes May an incredibly enjoyable time to be in Dalian.

Temperature

Dalian's transition into May brings a rise in the average high-temperature, moving from a moderate 14.6°C (58.3°F) in April to a pleasant 20.2°C (68.4°F). The average low-temperature in Dalian during May nights is a cool 12.2°C (54°F).

Humidity

In Dalian, the average relative humidity in May is 61%.

Rainfall

In Dalian, in May, during 7 rainfall days, 47mm (1.85") of precipitation is typically accumulated. Throughout the year, there are 72.5 rainfall days, and 602mm (23.7") of precipitation is accumulated.

Sea temperature

In May, the average sea temperature in Dalian is 11.4°C (52.5°F).
Note: Beware when you're in 11.4°C (52.5°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition.

Daylight

In May, the average length of the day is 14h and 18min.
On the first day of May in Dalian, sunrise is at 04:55 and sunset at 18:45. On the last day of the month, sunrise is at 04:30 and sunset at 19:12 CST.

Sunshine

May has the most sunshine of the year in Dalian, China, with an average of 9h of sunshine.

UV index

In Dalian, China, the average daily maximum UV index in May is 8. A UV Index estimate of 8 to 10 represents a very high health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In May, a daily maximum UV index of 8 leads to the following instructions:
Being careless can result in skin and eye damage. Always take the necessary safety measures. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.