Barcelona Weather in August
In Barcelona, August brings high daytime temperatures around 28°C (82°F), with nights cooling to 21°C (70°F). Some rainfall is to be expected.
Rainfall in Barcelona in August
This month experiences about 8 days of rain according to historical data, averaging 45 mm (1.8 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Barcelona in August
The temperature in Barcelona in August is perfect. Daytime highs reach 28°C (82°F), with nights dropping to 21°C (70°F). This month falls in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights are mild at around 21°C (70°F), which is comfortable for most people. On average, it is the warmest month of the year.
Sunshine in Barcelona in August
The days are predominantly sunny, with an estimated total of around 282 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Barcelona in August
Average wind conditions reach 2 m/s (4 knots) in August. This creates comfortable weather with light winds that gently move vegetation. Keep in mind this is an average. Daily conditions range from near-calm to more noticeable wind.
Average water temperature in August
The water is 24°C (75°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Barcelona.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Barcelona's climate page.
Barcelona Temperature in August
Min Temperature
21°C (70°F)
Max Temperature
28°C (82°F)
Water Temperature
24°C (75°F)
Chance of Rain
27%
Precipitation
45 mm (1.8 in)
Rainy days
8 days
Humidity
72%
Windspeed
2 m/s (4 knots)
Sunshine
282 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Barcelona typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are warm, with lows typically ranging from 19°C (66°F) to 21°C (70°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Barcelona in August
Browse day-by-day weather records for Barcelona spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Barcelona historical weather extremes in August
Based on weather observations in Barcelona between 1976 and 2025, these are the recorded extremes during August.
- The hottest August day on record in Barcelona reached 36°C (97°F) (August 13, 2003).
- Barcelona experienced its chilliest August day on August 10, 2002, reaching only 19°C (66°F).
- Nighttime temperatures dropped to 11°C (52°F) on August 17, 1980, marking the coldest August night on record.
Best Places in Spain in August
Find out more about the weather in Spain and which places have the best travel conditions in this month. See all of Spain in August →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Barcelona in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 24°C (75°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Barcelona in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Spain, check out our Barcelona's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Barcelona climate overview or explore weather in Spain.
