Castellon weather in August 2025

Expect 86°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Castellon in August. Check more long-term weather averages for Castellon in August before you book your next holiday to Spain in 2025/2026.

  • 86°F maximum daytime temperature in August in Castellon86
    86°F max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in August in Castellon6
    6 days with some rainfall
  • 68°F minimum night-time temperature in August in Castellon68
    68°F min night temperature
  • 14 hours of daylight per day in August in Castellon14
    14 hours of daylight per day
  • Moderate heat & humidity in August in CastellonM
    Moderate heat & humidity
  • 1.1 inches monthly rainfall in August in Castellon1.1
    1.1 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Castellon8
    8 (Very High) UV index
  • 79°F sea temperature in August in Castellon79
    79°F sea temperature

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The August 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)  |  Imperial (°F)

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How hot is it in Castellon in August?

Daytime temperatures usually reach 86°F in Castellon in August with moderate heat and humidity, falling to 68°F at night.

How sunny is it in Castellon in August?

There are normally 9 hours of bright sunshine each day in Castellon in August - that's 67% of daylight hours.

How warm is the sea around Castellon in August?

The average sea temperature around Castellon in August is 79°F.

Does it rain in Castellon in August?

There are usually 6 days with some rain in Castellon in August and the average monthly rainfall is 1.1 inches.

Castellon August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:59 20:14
Saturday, 16th August 2025 06:13 19:55
Sunday, 31st August 2025 06:27 19:33

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