Barcelona, Spain Weather
Barcelona hourly forecast: next 24 hours
Today's high of 86°F (30°C) is about 9°F (5°C) above the typical September high of 77°F (25°C).
Current conditions in detail
Barcelona weather tomorrow (Wednesday, September 16)
Tomorrow in Barcelona looks sunny, with a high of 80° and an overnight low of 73°. There is a 67% chance of rain - plan accordingly. Winds top out near 14 mph, and the UV index reaches 5 (moderate).
Barcelona 14-day forecast
About the weather in Barcelona
Barcelona runs on a dry-summer rhythm: the warmest months are also the driest. December averages 25 mm (1.0 in) while the wet season peaks in October at 4.1 inches (105 mm). Highs range from 56°F (13°C) to 83°F (29°C).
Barcelona weather: quick facts
- Hottest month: July - highs near 83°F (29°C)
- Coldest month: January - highs near 56°F (13°C)
- Decade extremes (2015-2024): 99°F (37°C) high · 29°F (-1°C) low
- Wettest month: October (9 rainy days) · Sunniest: July (13.5 h sun/day)
- Climate type: humid subtropical
- Annual swing: 17°C between the average warmest and coolest month · day to night: 8°C
- Average humidity: 76%
Temperatures through the year
Sunshine averages 10.2 hours a day over the year, peaking in July at 13.5 hours. At its warmest, in July, Barcelona runs to 83°F (29°C) in the afternoon and back to 71°F (21°C) by dawn. January bottoms out at 56°F (13°C) in daylight, 41°F (5°C) after dark. Four of the twelve months pair mild highs with fewer than twelve wet days; the longest unbroken run is May through June.
Rain, sun and snow
Precipitation concentrates in October - 4.1 inches (105 mm) on 9 days - and thins out by December. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 99°F (37°C) and the lowest daily minimum 29°F (-1°C).
Season by season
Spring (March through May)
Spring runs cool rather than cold here - highs near 65°F (18°C), nights near 51°F (10°C), and expect showers on roughly 22 days across the season. Daylight is generous - around 10.9 hours of sun a day.
Summer (June through August)
Through summer, Barcelona brings hot afternoons: 82°F (28°C) by day, 69°F (20°C) after dark, and rain comes on about 17 days over the three months. Daylight is generous - around 12.9 hours of sun a day.
Fall (September through November)
Through fall, Barcelona is mild and warm: 70°F (21°C) by day, 58°F (14°C) after dark, and expect showers on roughly 28 days across the season.
Winter (December through February)
Through winter, Barcelona is mild: 58°F (14°C) by day, 42°F (6°C) after dark, and rain comes on about 14 days over the three months.
Average temperatures in Barcelona by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 56° | 41° | 4 | 1.7 in | 7.9 h/day | 75% |
| February | 58° | 43° | 6 | 1.4 in | 8.7 h/day | 76% |
| March | 61° | 46° | 7 | 1.8 in | 9.8 h/day | 75% |
| April | 64° | 50° | 8 | 2.7 in | 10.7 h/day | 76% |
| May | 71° | 57° | 7 | 1.8 in | 12.3 h/day | 76% |
| June | 78° | 65° | 6 | 1.4 in | 13.0 h/day | 72% |
| July | 83° | 71° | 4 | 1.0 in | 13.5 h/day | 71% |
| August | 83° | 71° | 7 | 2.1 in | 12.2 h/day | 74% |
| September | 77° | 65° | 12 | 3.6 in | 10.2 h/day | 78% |
| October | 71° | 59° | 9 | 4.1 in | 8.8 h/day | 81% |
| November | 63° | 49° | 8 | 2.3 in | 7.8 h/day | 78% |
| December | 59° | 43° | 4 | 1.0 in | 7.7 h/day | 78% |