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Monthly climate guide

Barcelona weather in August

Expect hot weather in Barcelona in August: afternoons reach about 30°C (86°F), while nights drop to around 20°C (69°F). Around 36 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are about the same as July and 4°C warmer than September.

What stands out in August

  • August is Barcelona's second warmest month.
  • It's one of the sunniest months here, with cloud cover around 40%.
  • With the heat, see La Rambla & Boqueria Market early in the morning or late in the afternoon.
  • August brings late summer to Barcelona.

Avg high

30°C

86°F

Avg low

20°C

69°F

Rainfall

36 mm

fairly dry

Humidity

65%

relative

Sky

40%

cloud · a mix of sun and cloud

Barcelona weather by month

Low → high °C Rain (mm)
Show the monthly averages as a table
Average monthly climate in Barcelona
MonthAvg highAvg lowRainHumidityCloud cover
January13°C / 56°F4°C / 39°F37 mm75%69%
February14°C / 57°F4°C / 39°F27 mm71%65%
March17°C / 62°F6°C / 43°F57 mm70%61%
April19°C / 67°F9°C / 48°F60 mm70%60%
May23°C / 73°F12°C / 54°F43 mm66%56%
June27°C / 81°F17°C / 62°F32 mm63%45%
July30°C / 86°F20°C / 68°F34 mm63%36%
August30°C / 86°F20°C / 69°F36 mm65%40%
September26°C / 80°F17°C / 63°F58 mm69%53%
October22°C / 72°F14°C / 57°F76 mm74%65%
November17°C / 62°F9°C / 47°F77 mm76%68%
December14°C / 57°F5°C / 42°F32 mm76%66%

What to pack for August

  • Light, breathable clothing (cotton or linen)
  • A sun hat and high-SPF sunscreen
  • A refillable water bottle
  • A small travel umbrella, just in case
Full season-by-season packing guide →

Is August a good time to visit Barcelona?

Our Barcelona guide recommends: May to June or September to October, avoiding the peak summer heat and crowds.

Book Sagrada Família and Park Güell tickets online in advance — both cap daily visitor numbers and often sell out.

Best time to visit Barcelona →

Other Spain cities in August

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Barcelona in August: quick answers

Is August a good time to visit Barcelona?

August is a reasonable time for Barcelona: highs around 30°C and about 36 mm of rain, though not one of the three best months.

How warm is Barcelona in August?

Average highs are about 30°C (86°F) and average lows about 20°C (69°F), based on 10 years of daily data.

Does it rain a lot in Barcelona in August?

Barcelona typically gets around 36 mm of rain in August — fairly dry.

When is the best time to visit Barcelona?

May to June or September to October, avoiding the peak summer heat and crowds.

Figures are long-term averages for the area around Barcelona (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.