Barcelona weather by month: temperatures, rain and sunshine
What the weather is like in Barcelona each month, from AEMET's official averages and Meteocat's figures for the city centre.
Sources (4)
Barcelona has a mild Mediterranean climate: winters with highs around 14 °C and summers with highs of 28 °C. August is the warmest month, January the coldest and October the wettest. Here are the official averages for every month from AEMET, Spain's weather agency.
Month by month
| Month | Average high | Average low | Rain | Rain days | Sunshine hours |
|---|---|---|---|---|---|
| January | 13.6 | 4.7 | 37 | 3.7 | 151 |
| February | 14.3 | 5.4 | 35 | 4.0 | 163 |
| March | 16.1 | 7.4 | 36 | 4.5 | 206 |
| April | 18.0 | 9.4 | 40 | 5.1 | 228 |
| May | 21.1 | 12.8 | 47 | 4.7 | 250 |
| June | 24.9 | 16.8 | 30 | 3.6 | 266 |
| July | 28.0 | 19.8 | 21 | 1.8 | 305 |
| August | 28.5 | 20.2 | 62 | 4.5 | 278 |
| September | 26.0 | 17.4 | 81 | 5.2 | — |
| October | 22.1 | 13.5 | 91 | 6.3 | 182 |
| November | 17.3 | 8.6 | 59 | 5.1 | 145 |
| December | 14.3 | 5.7 | 40 | 4.4 | 141 |
Temperatures in °C. Rain in mm. Rain days: 1 mm or more. AEMET gives no sunshine figure for September.
What to expect each season
- Winter (December-February): average highs of 14 °C and lows of 5 °C at the airport. Frost is rare, about four days a year, and snow less than one day a year on average.
- Spring (March-May): highs climb from 16 to 21 °C, with about five rainy days a month.
- Summer (June-August): highs of 25 to 28.5 °C; July is the driest month (21 mm) and the sunniest (305 hours). August brings storms: 62 mm of rain on average.
- Autumn (September-November): the wettest season. October averages 91 mm and September 81, over about six rainy days.
The city centre is warmer
Meteocat's station in el Raval, in the centre, records higher averages than the airport: between 2010 and 2025 its average January low was 8.6 °C, and it had no frost at all.
In summer, nights are slow to cool down: el Raval averages 98 tropical nights a year (lows above 20 °C), almost all from June to September. Meteocat's climate atlas puts it down to Barcelona's urban heat island.
Records
According to AEMET, the highest temperature recorded at the airport is 37.7 °C on 8 July 2026, and the lowest -8.0 °C on 27 December 1962. The wettest day brought 186.7 mm, on 25 September 1953.
At the Fabra Observatory, 408 metres up the Collserola hillside, the record is 40.9 °C, also on 8 July 2026.
What about the sea temperature?
There is no official month-by-month average for the sea temperature in Barcelona. Puertos del Estado's buoy off Barcelona gives the current reading on its PORTUS portal, and each beach page on barcelona.cat reports the sea conditions.
- What is the hottest month in Barcelona?
- August, with an average high of 28.5 °C and a mean of 24.4 °C at the airport station (AEMET, 1981-2010). July is close behind.
- What is the rainiest month in Barcelona?
- October, with 91 mm on average, followed by September with 81 mm. July is the driest, with 21 mm.
- Does it snow in Barcelona?
- Hardly ever: AEMET counts 0.4 snow days a year on average at the airport.
- What is the weather like in Barcelona in November?
- Average highs of 17.3 °C and lows of 8.6 °C, with 59 mm of rain over about five days, according to AEMET.
Keep reading
Sources
This page cites official and primary sources. If you spot an error, let us know.
- Valores climatológicos normales: Barcelona Aeropuerto — AEMET
- Valores extremos: Barcelona Aeropuerto — AEMET
- Climatologia XEMA: Barcelona - el Raval, 2010-2025 — Servei Meteorològic de Catalunya
- Atles climàtic de Catalunya 1991-2020 — Servei Meteorològic de Catalunya
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