Barcelona weather in August 2025

Expect 27°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Barcelona in August. Check more long-term weather averages for Barcelona in August before you book your next holiday to Spain in 2025/2026.

  • 27°C maximum daytime temperature in August in Barcelona27
    27°C max day temperature
  • 9 hours of sunshine per day
  • 8 days with some rainfall in August in Barcelona8
    8 days with some rainfall
  • 19°C minimum night-time temperature in August in Barcelona19
    19°C min night temperature
  • 14 hours of daylight per day in August in Barcelona14
    14 hours of daylight per day
  • Moderate heat & humidity in August in BarcelonaM
    Moderate heat & humidity
  • 53 mm monthly rainfall in August in Barcelona53
    53 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Barcelona8
    8 (Very High) UV index
  • 25°C sea temperature in August in Barcelona25
    25°C sea temperature

More about Barcelona

Barcelona 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 (Barcelona) 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 Barcelona in August?

Daytime temperatures usually reach 27°C in Barcelona in August with moderate heat and humidity, falling to 19°C at night.

How sunny is it in Barcelona in August?

There are normally 9 hours of bright sunshine each day in Barcelona in August - that's 62% of daylight hours.

How warm is the sea around Barcelona in August?

The average sea temperature around Barcelona in August is 25°C.

Does it rain in Barcelona in August?

There are usually 8 days with some rain in Barcelona in August and the average monthly rainfall is 53mm.

Barcelona August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:46 20:08
Saturday, 16th August 2025 06:01 19:49
Sunday, 31st August 2025 06:17 19:26

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^