Rotterdam weather in May 2025

Expect daytime maximum temperatures of 17°C in Rotterdam in May based on long-term weather averages. There are 7 hours of sunshine per day on average with 14 days with some rainfall and typically 53 mm of rainfall in the month.

  • 17°C maximum daytime temperature in May in Rotterdam17
    17°C max day temperature
  • 7 hours of sunshine per day
  • 14 days with some rainfall in May in Rotterdam14
    14 days with some rainfall
  • 7°C minimum night-time temperature in May in Rotterdam7
    7°C min night temperature
  • 16 hours of daylight per day in May in Rotterdam16
    16 hours of daylight per day
  • No heat & humidity in May in Rotterdam0
    No heat & humidity
  • 53 mm monthly rainfall in May in Rotterdam53
    53 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in May in Rotterdam5
    5 (Moderate) UV index

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The May weather guide for Netherlands (Rotterdam) 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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How warm is it in Rotterdam in May?

Daytime temperatures usually reach 17°C in Rotterdam in May, falling to 7°C at night.

How sunny is it in Rotterdam in May?

There are normally 7 hours of bright sunshine each day in Rotterdam in May - that's 43% of daylight hours.

Does it rain in Rotterdam in May?

There are usually 14 days with some rain in Rotterdam in May and the average monthly rainfall is 53mm.

Rotterdam May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:12 20:07
Friday, 16th May 2025 04:47 20:31
Saturday, 31st May 2025 04:29 20:51

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