Climate Insights for Barcelona

The climate in Barcelona is hot. The average annual temperature is 27°C and approximately 2777mm of precipitation falls per year. Barcelona receives a notable amount of rainfall throughout the year, including during its driest month. Barcelona is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, August, May. The coldest months are February, January, March, when temperatures can drop to 25°C.

Barcelona has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is June, when average highs reach 29°C and the mean temperature sits around 28°C. February is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Barcelona is a very wet location, receiving approximately 2777mm of precipitation annually, which averages out to around 231mm per month. The wettest month is December, averaging 402mm of rainfall. January and October also tend to see above-average precipitation. The driest month is March, with just 111mm. That's 291mm less than December, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Barcelona is moderately windy, with an average annual wind speed of 26km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 34km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in June, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 15km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 32km/h in winter, 24km/h in spring, 23km/h in summer, 25km/h in autumn.

It is currently spring in Barcelona, which began on March 20, 2026. Barcelona is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in June at around 29°C, while the coldest stretch bottoms out in February near 25°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Barcelona based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.