Barcelona Weather and Climate: A Comprehensive Guide
With an humid subtropical climate the best time to visit Barcelona is from May to the end of July and the whole month of September. August is generally very hot (with occasional peaks of 34°C or higher) and humid.
The weather in October and November is still pleasant, but it starts to become a bit cooler with temperatures averaging between 15°C and 21°C. During these months the sun will not shine every day, so be prepared for cloudy days with little rain.
From November to February temperatures are cooler averaging around 12°C. It doesn't rain so much in winter, so even when it is cooler the sun will still shine regularly. But also be prepared for overcast and rainy days.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from comfortable to moderate in Barcelona. Average daytime temperatures reach a comfortable 28°C in August. In January, the coolest month of the year, temperatures drop to a moderate 14°C.
At night, you can expect cooler temperatures, with averages dropping to around 7°C during this month.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Generally, Barcelona has a moderate amount of precipitation, averaging 644 mm of rainfall annually. Barcelona can be quite wet during October, receiving approximately 98 mm of precipitation over 11 rainy days.
In contrast July, experiences much drier conditions, with 27 mm of rainfall, spread across 5 rainy days. For more details, please visit our Barcelona Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Barcelona can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.4 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 4.6 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year ranges from 13°C in January to 24°C in August.
Water temperature over the year
Average humidity
The relative humidity is high throughout the year in Barcelona.
The city experiences its highest humidity in September, reaching 74%. In July, the humidity drops to its lowest level at 69%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Average wind speed
The average wind speed over the year ranges from 2 m/s to 2 m/s. It is lower in January, February, March, April, May, June, July, August, September, October, November and December and higher in January, February, March, April, May, June, July, August, September, October, November and December.
The mean monthly wind speed over the year (meters per second)
Forecast for Barcelona
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Barcelona in Spain
During the months of May, June, September and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in June, July, August and September.
August has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 14°C.
October tops the wettest month list with 98 mm of rainfall.
July is the driest month with 27 mm of precipitation.
July is the sunniest month with an average of 311 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
