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Monthly climate guide

Barcelona weather in May

Expect warm weather in Barcelona in May: afternoons reach about 23°C (73°F), while nights drop to around 12°C (54°F). Around 43 mm of rain falls over the month (fairly dry), and skies are often cloudy. Daytime highs are 4°C warmer than April and 4°C cooler than June.

What stands out in May

  • Just 30 km apart, but Barcelona runs about 2°C warmer than Mataró this month.
  • Comfortable temperatures make it easy to walk between Sagrada Família and Park Güell.
  • Seasonally, May counts as late spring in Barcelona.
  • It warms up quickly from here: by June highs are about 4°C higher.

Avg high

23°C

73°F

Avg low

12°C

54°F

Rainfall

43 mm

fairly dry

Humidity

66%

relative

Sky

56%

cloud · often cloudy

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 May

  • T-shirts plus a light layer for the evening
  • Comfortable trainers or sandals for long walks
  • A small travel umbrella, just in case
Full season-by-season packing guide →

Is May 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 May

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Barcelona in May: quick answers

Is May a good time to visit Barcelona?

Yes. May is one of the best months for Barcelona, with highs around 23°C and about 43 mm of rain.

How warm is Barcelona in May?

Average highs are about 23°C (73°F) and average lows about 12°C (54°F), based on 10 years of daily data.

Does it rain a lot in Barcelona in May?

Barcelona typically gets around 43 mm of rain in May — 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.