Castellon weather in May 2025

Expect 23°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Castellon in May based on long-term weather averages. There is usually 9 days with some rainfall and 34 mm of average monthly rainfall in May.

  • 23°C maximum daytime temperature in May in Castellon23
    23°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Castellon9
    9 days with some rainfall
  • 13°C minimum night-time temperature in May in Castellon13
    13°C min night temperature
  • 14 hours of daylight per day in May in Castellon14
    14 hours of daylight per day
  • No heat & humidity in May in Castellon0
    No heat & humidity
  • 34 mm monthly rainfall in May in Castellon34
    34 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Castellon8
    8 (Very High) UV index
  • 18°C sea temperature in May in Castellon18
    18°C sea temperature

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The May weather guide for Spain (Castellon) 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 Spain

How hot is it in Castellon in May?

Daytime temperatures usually reach 23°C in Castellon in May, falling to 13°C at night.

How sunny is it in Castellon in May?

There are normally 9 hours of bright sunshine each day in Castellon in May - that's 60% of daylight hours.

How warm is the sea around Castellon in May?

The average sea temperature around Castellon in May is 18°C.

Does it rain in Castellon in May?

There are usually 9 days with some rain in Castellon in May and the average monthly rainfall is 34mm.

Castellon May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 06:00 19:55
Friday, 16th May 2025 05:44 20:10
Saturday, 31st May 2025 05:34 20:22

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