October is the wettest month of the year in Barcelona, with 76 mm of rain over six days, but the temperatures remain very pleasant: 23.3°C during the day and the sea still at 22.2°C, almost the same as in June.
Temperatures, rain and sunshine: AEMET station 0076 (Barcelona Aeropuerto), 2016-2025 averages against the 1991-2020 normal. Sea: NOAA OISST, same period. Daylight runs from 11 hr 48 min to 10 hr 29 min across the month.
Early, Mid, or Late October?
The weather changes throughout the month. If you're deciding between several dates, here's what sets each period apart. Averages per decade over ten years, AEMET station 0076.
October 1st → 10th
24.4°C / 16.8°C, 23 mm of rain.
With 24.4°C during the day, it's the mildest period of the month and also the least rainy. The atmosphere remains similar to September, and the sea has barely cooled down.
October 11 to 20
23.6°C / 16°C, 26 mm of rain.
Temperatures are slightly dropping and rain is becoming a bit more frequent. Autumn is gradually setting in, but dining on terraces remains quite enjoyable.
October 21 to 31
22.2°C / 14.3°C, 28 mm of rain.
The end of the month is the wettest period, with 22.2°C during the day and twenty-eight millimeters of rain. The days drop below eleven hours, and the time change makes the evenings noticeably shorter.
What to Pack in Your Suitcase
Essential
- An umbrella: with 76 mm of rain, October is the wettest month of the year
- A light jacket for the morning and evening: nights drop to around 15.6°C
- Closed shoes, ideally rain-resistant
- A swimsuit nonetheless: the sea is still at 22.2°C and swimming is still possible
Still Worth Considering
- A sweater for the evenings, especially at the end of the month when temperatures start to drop
- Something to cover your shoulders for the Sagrada Família and the cathedral
- Sunglasses: October still offers 175 hours of sunshine
- Something to enjoy the shorter late afternoons: after the time change, night falls early
Swimming in Barcelona in October
The sea remains at 22.2°C in October, which is almost the same temperature as in June, while the air averages 23.3°C. Swimming is still possible, especially at the beginning of the month, with the added benefit of much less crowded beaches than in summer.
The Wettest Month
Three Perfect Rainy Day Visits
October receives 76 mm of rain over six days, the highest total of the year, with precipitation increasing as the month progresses. These three tours allow you to enjoy Barcelona without relying on the weather.
With Children
Museu de la Xocolata
Half a Day
Museum of the History of Catalonia
Just a stone's throw away
Barcelona Maritime Museum
On the agenda
What to do in Barcelona in October?
October is the month of fall exhibitions, the last swims, and terraces that are still pleasant between showers. The city slowly begins to transition to its autumn rhythm.
October or November?
November loses -4.7°C on the maximum temperatures and fifty-three hours of sunshine, while the sea becomes too chilly for most swimmers. Therefore, October remains the last month when you can reasonably combine sightseeing and beach time.
| September | October | November | |
|---|---|---|---|
| Maximum | 26.8°C | 23.3°C | 18.6°C |
| Minimum | 19.2°C | 15.6°C | 10.3°C |
| Sea | 25.1°C | 22.2°C | 18.2°C |
| Rain | 68 mm | 76 mm | 62 mm |
| Sunshine | 217 h | 175 h | 122 h |
| Rainy days | 6 | 6 | 4 |
October in the Year
October sees temperatures similar to those in May, with 23.3°C compared to 22.2, but the sea remains much warmer: 22.2°C in October compared to 17.8 in May. The water still retains a significant amount of the heat accumulated during the summer.
Frequently Asked Questions About October in Barcelona
Yes, especially at the beginning of the month. The sea remains at 22.2°C, which is almost the same temperature as in June, making October the last month when swimming is still enjoyable for many visitors.
October is the wettest month of the year, with 76 mm spread over six days. Rain tends to become more frequent as the month progresses, so a compact umbrella is really handy.
Yes. Despite the showers, October still boasts 175 hours of sunshine and an average high of 23.3°C, with days that can reach 26.6°C.
Not necessarily: a jacket is usually enough. Nights drop to around 15.6°C, while days often stay above twenty degrees.
October is milder, brighter, and still allows you to enjoy the sea. November is quieter, but temperatures drop significantly and the swimming season comes to an end.