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Barcelona in August
Photo: Ziegler

Barcelona · Best time to visit · August

Barcelona in August

Hot and dry, very busy at the main sights, about 14 hours of daylight. Weather, crowds and what to expect · updated 2026-11-01

Mixed time to visit
30°C / 86 °F
Average high
23°C / 73 °F
Average low
4days
Rain ≥ 1 mm
13.8h
Daylight · sunset 20:51
Mixed. August is the hottest month, with afternoons around 29 °C and heavy humidity, the Gràcia street festival around 15 August turning the district into a decorated village for a week, and many local businesses closing for holidays.

01Weather

Barcelona weather in August

Afternoons in August average 30.0 °C (86 °F) and nights cool to 22.8 °C (73 °F). The month brings about 45 mm (1.8 in) of rain spread over roughly 4 days. Compared with July it is 0.7 °C warmer; September is 3.2 °C cooler again.

18°23°28°33°30°23°30°23°29°22°1102031
Average high and low in early, mid and late August (ERA5 daily data)

What the averages hide

In a typical AugustValueWhat it means
Warm afternoons (90th percentile)32 °C / 90 °Fone day in ten is at least this warm
Cool afternoons (10th percentile)28 °C / 82 °Fone day in ten stays below this
Cold nights (10th percentile)20 °C / 68 °Fone night in ten is colder than this
Days above 30 °C (86 °F)14.6per month, average 2016–2025
Nights at or below 0 °C (32 °F)0.0frost mornings per month
Chance of rain on any given day12 %at least 1 mm
Hottest / coldest August day 2016–202537.0 °C / 15.7 °Cextremes in the ten-year record
0°5°10°15°20°25°30°35°JanFebMarAprMayJunJulAugSepOctNovDec
Average daily high and low by month (°C)

02Daylight

Sunrise, sunset and the length of the day

DateSunriseSunsetDaylight
1 August06:4621:0814.4 h
15 August07:0020:5113.8 h
31 August07:1620:2613.2 h

Daylight shrinks by about 72 minutes over the month. Times are local (Europe/Madrid).

03Crowds

How busy Barcelona is in August

very busy  The main sights are very busy in August. What drives it:

  • Festa Major de Gràcia
  • Assumption on 15 August
  • peak international visitors

04Public holidays

Public holidays in August 2027

DateHoliday
15 Aug 2027Assumption

On public holidays many shops close and museums run on Sunday hours; check opening times for the day before and after as well.

05Events

What's on in Barcelona in August

Every year in August

EventWhenType
Festa Major de Gràciaaround 15 August, decorated streetsfestival

07Packing

What to pack for Barcelona in August

  • light, breathable clothing
  • sun hat and sunscreen
  • refillable water bottle
  • something for heat: 15 days a month pass 30 °C on average

08Editor's notes

What the numbers don't tell you

August is the hottest month, with afternoons around 29 °C and heavy humidity, the Gràcia street festival around 15 August turning the district into a decorated village for a week, and many local businesses closing for holidays. International crowds remain at their peak. Thunderstorms occasionally break the humidity, on about four days. Assumption on 15 August is a holiday.

Sea temperatures peak at 26 °C. The Festa Major de Sants follows Gràcia in the last week. The Sagrada Família and Park Güell run at capacity all month. Many neighbourhood restaurants close for two to three weeks, the big ones stay open. Hotel rates ease in the final week. For the warm sea and La Mercè, see September.

09Compare

Barcelona month by month

MonthHighLowRain daysSun hCrowdsVerdict
January15 °C6 °C4–quietGood
February16 °C8 °C4–quietGood
March17 °C9 °C4–moderateGood
April19 °C11 °C6–busyExcellent
May22 °C15 °C4–busyExcellent
June27 °C20 °C3–very busyGood
July29 °C22 °C2–very busyGood
August30 °C23 °C4–very busyMixed
September27 °C19 °C6–busyExcellent
October23 °C16 °C6–busyExcellent
November19 °C10 °C5–moderateExcellent
December16 °C7 °C3–moderateGood

Not sure about August? See the best time to visit Barcelona.

10Elsewhere

August in nearby cities

11FAQ

Barcelona in August: your questions

Is August a good time to visit Barcelona?

August is a reasonable month with trade-offs to visit Barcelona. Daytime highs average 30 °C (86 °F), rain falls on about 4 days, and hotel arrivals run above the yearly average, so the main sights are very busy.

What is the weather like in Barcelona in August?

Expect hot days around 30 °C (86 °F) and nights near 23 °C (73 °F). One August in ten brings afternoons above 32 °C, and one in ten stays below 28 °C.

Does it rain a lot in Barcelona in August?

August brings about 45 mm (1.8 in) of rain over roughly 4 days, which is dry by Barcelona standards. On any given day the chance of at least 1 mm of rain is 12 percent.

What should I wear in Barcelona in August?

Pack light, breathable clothing, sun hat and sunscreen, refillable water bottle.

Is Barcelona crowded in August?

The main sights are very busy in August. Main drivers: Festa Major de Gràcia; Assumption on 15 August; peak international visitors.

What time does it get dark in Barcelona in August?

Around the middle of August the sun sets at about 20:51 and rises at 07:00, giving 13.8 hours of daylight.