Dalian weather in May 2025

Expect 21°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Dalian in May. Check more long-term weather averages for Dalian in May before you book your next holiday to China in 2025/2026.

  • 21°C maximum daytime temperature in May in Dalian21
    21°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in May in Dalian7
    7 days with some rainfall
  • 12°C minimum night-time temperature in May in Dalian12
    12°C min night temperature
  • 14 hours of daylight per day in May in Dalian14
    14 hours of daylight per day
  • No heat & humidity in May in Dalian0
    No heat & humidity
  • 42 mm monthly rainfall in May in Dalian42
    42 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Dalian8
    8 (Very High) UV index
  • 11°C sea temperature in May in Dalian11
    11°C sea temperature

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The May weather guide for China (Dalian) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about China

How hot is it in Dalian in May?

Daytime temperatures usually reach 21°C in Dalian in May, falling to 12°C at night.

How sunny is it in Dalian in May?

There are normally 9 hours of bright sunshine each day in Dalian in May - that's 63% of daylight hours.

Is the sea cold around Dalian in May?

The average sea temperature around Dalian in May is 11°C.

Does it rain in Dalian in May?

There are usually 7 days with some rain in Dalian in May and the average monthly rainfall is 42mm.

Dalian May sunrise & sunset times

Browse the sunrise and sunset times for Dalian in May 2025. Select a month to view Dalian sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 04:56 18:46
Friday, 16th May 2025 04:40 19:00
Saturday, 31st May 2025 04:31 19:12

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