Click on a day for an hourly weather forecast
The weather in Barcelona in August is very hot. The average temperatures are between 23°C and 28°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Barcelona during the month of August. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Barcelona in August 2025.
If you’re planning to visit Barcelona in the near future, we highly recommend that you review the 14 day weather forecast for Barcelona before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 14° / 8° | 3 | 28 | 0 | 50 mm | Good | Barcelona in January |
| February | 14° / 8° | 3 | 25 | 0 | 36 mm | Good | Barcelona in February |
| March | 15° / 10° | 3 | 28 | 0 | 69 mm | Good | Barcelona in March |
| April | 17° / 12° | 5 | 25 | 0 | 79 mm | Good | Barcelona in April |
| May | 21° / 15° | 3 | 28 | 0 | 58 mm | Good | Barcelona in May |
| June | 25° / 19° | 3 | 27 | 0 | 55 mm | Perfect | Barcelona in June |
| July | 28° / 22° | 2 | 29 | 0 | 41 mm | Perfect | Barcelona in July |
| August | 28° / 23° | 3 | 28 | 0 | 57 mm | Perfect | Barcelona in August |
| September | 25° / 20° | 5 | 25 | 0 | 101 mm | Perfect | Barcelona in September |
| October | 22° / 17° | 4 | 27 | 0 | 110 mm | Good | Barcelona in October |
| November | 18° / 13° | 4 | 26 | 0 | 81 mm | Good | Barcelona in November |
| December | 15° / 10° | 2 | 29 | 0 | 35 mm | Good | Barcelona in December |