Barcelona in August
In August, Barcelona averages 29°C (84°F) during the day and 21°C (70°F) at night, with only about 4 rainy days.
Peak seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
August is a great month to visit Barcelona: pleasant temperatures and relatively few wet days.
How August compares to the rest of the year in Barcelona
August is one of the warmest months in Barcelona (2nd of 12) and one of the driest months (11th of 12). Daytime temperature runs 8°C above the annual average (21°C). August runs roughly the same as July (29°C) and cools 3°C in September (26°C).
August sunrise & sunset in Barcelona
Times shown for Barcelona local time (Europe/Madrid), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Barcelona — August
Golden-hour and blue-hour windows for the 15th of August, in Barcelona's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Barcelona in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (Peak season) and Barcelona's popularity.
Crowds & pricing — August in Barcelona
Barcelona is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays
Sun & mosquito risk — August in Barcelona
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Barcelona — August
Across the year Barcelona's sea swings from 13.5°C (February) to 27.4°C (August) — August sits at 27.4°C.
Barcelona in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 14°C / 57°F | 5°C / 41°F | 41 mm | 5 | — |
| February | 15°C / 59°F | 6°C / 43°F | 36 mm | 4 | — |
| March | 17°C / 63°F | 8°C / 46°F | 47 mm | 5 | — |
| April | 19°C / 66°F | 10°C / 50°F | 49 mm | 6 | — |
| May | 22°C / 72°F | 14°C / 57°F | 53 mm | 5 | — |
| June | 26°C / 79°F | 17°C / 63°F | 35 mm | 4 | — |
| July | 29°C / 84°F | 20°C / 68°F | 26 mm | 3 | — |
| August | 29°C / 84°F | 21°C / 70°F | 49 mm | 4 | — |
| September | 26°C / 79°F | 18°C / 64°F | 75 mm | 6 | — |
| October | 22°C / 72°F | 14°C / 57°F | 87 mm | 6 | — |
| November | 17°C / 63°F | 9°C / 48°F | 60 mm | 6 | — |
| December | 14°C / 57°F | 6°C / 43°F | 51 mm | 5 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Barcelona in August →
Frequently asked questions
How hot is Barcelona in August?
In August, Barcelona averages a high of 29°C (84°F) and a low of 21°C (70°F) — generally warm.
Does it rain a lot in Barcelona in August?
August is generally dry in Barcelona, with about 4 rainy days on average.
Is August a good time to visit Barcelona?
August is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Barcelona in August?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full August packing list for Barcelona for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.