Castellon weather in August 2025

Expect 30°C 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.

  • 30°C maximum daytime temperature in August in Castellon30
    30°C max day temperature
  • 9 hours of sunshine per day
  • 6 days with some rainfall in August in Castellon6
    6 days with some rainfall
  • 20°C minimum night-time temperature in August in Castellon20
    20°C 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
  • 29 mm monthly rainfall in August in Castellon29
    29 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Castellon8
    8 (Very High) UV index
  • 26°C sea temperature in August in Castellon26
    26°C sea temperature

More about Castellon

Castellon by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Spain

TUI: up to 7% off holidays booked online

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

TUITUI deal finder

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Spain

How hot is it in Castellon in August?

Daytime temperatures usually reach 30°C in Castellon in August with moderate heat and humidity, falling to 20°C 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 26°C.

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 29mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^