Naples weather in May 2026

Expect daytime maximum temperatures of 23°C in Naples, Campania in May based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 47 mm of rainfall in the month.

  • 23°C maximum daytime temperature in May in Naples23
    23°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in May in Naples10
    10 days with some rainfall
  • 12°C minimum night-time temperature in May in Naples12
    12°C min night temperature
  • 14 hours of daylight per day in May in Naples14
    14 hours of daylight per day
  • No heat & humidity in May in Naples0
    No heat & humidity
  • 47 mm monthly rainfall in May in Naples47
    47 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Naples8
    8 (Very High) UV index
  • 19°C sea temperature in May in Naples19
    19°C sea temperature

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The May weather guide for Campania (Naples) 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 the Campania

How hot is it in Naples in May?

Daytime temperatures usually reach 23°C in Naples in May, falling to 12°C at night.

How sunny is it in Naples in May?

There are normally 8 hours of bright sunshine each day in Naples in May - that's 55% of daylight hours.

How warm is the sea around Naples in May?

The average sea temperature around Naples in May is 19°C.

Does it rain in Naples in May?

There are usually 10 days with some rain in Naples in May and the average monthly rainfall is 47mm.

Naples May sunrise & sunset times

Browse the sunrise and sunset times for Naples in May 2026. Select a month to view Naples sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:02 18:59
Saturday, 16th May 2026 04:45 19:14
Sunday, 31st May 2026 04:34 19:28

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