Lisbon weather in May 2025

Expect daytime maximum temperatures of 22°C in Lisbon, Portugal in May based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 22°C maximum daytime temperature in May in Lisbon22
    22°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in May in Lisbon8
    8 days with some rainfall
  • 13°C minimum night-time temperature in May in Lisbon13
    13°C min night temperature
  • 14 hours of daylight per day in May in Lisbon14
    14 hours of daylight per day
  • No heat & humidity in May in Lisbon0
    No heat & humidity
  • 39 mm monthly rainfall in May in Lisbon39
    39 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Lisbon8
    8 (Very High) UV index
  • 16°C sea temperature in May in Lisbon16
    16°C sea temperature

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The May weather guide for Portugal (Lisbon) 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 hot is it in Lisbon in May?

Daytime temperatures usually reach 22°C in Lisbon in May, falling to 13°C at night.

How sunny is it in Lisbon in May?

There are normally 9 hours of bright sunshine each day in Lisbon in May - that's 66% of daylight hours.

How warm is the sea around Lisbon in May?

The average sea temperature around Lisbon in May is 16°C.

Does it rain in Lisbon in May?

There are usually 8 days with some rain in Lisbon in May and the average monthly rainfall is 39mm.

Lisbon May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:39 19:29
Friday, 16th May 2025 05:24 19:43
Saturday, 31st May 2025 05:14 19:55

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