Climate Overview
The climate in Barcelona is hot. The average annual temperature is 27°C and approximately 1622mm of precipitation falls per year. August is the wettest month, receiving around 291mm of rainfall. Barcelona is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, May, March. The coldest months are January, December, February, when temperatures can drop to 21°C.
Temperature
Barcelona sees moderate temperature variation throughout the year, ranging from 21°C to 33°C. The warmest month is April, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 21°C and an average of 25°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.
Precipitation
Barcelona is a fairly wet location, receiving approximately 1622mm of precipitation annually, which averages out to around 135mm per month. The wettest month is August, averaging 291mm of rainfall. July and September also tend to see above-average precipitation. The driest month is February, with just 27mm. That's 265mm less than August, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Barcelona is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.
Seasons
90 days until Summer
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 April at around 33°C, while the coldest stretch bottoms out in January near 21°C. Summer is next, beginning on June 21, 2026 — 90 days from now.
Spring
Temperatures range from 22 to 33°C. Rainfall is relatively light, with around 150mm over the season and a monthly average of 50mm. Winds are generally light, averaging 11km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 23 to 31°C. Rainfall is heavy, totalling around 755mm across the season with a monthly average of 252mm. Winds are generally light, averaging 8km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.
Autumn
Temperatures range from 23 to 32°C. Rainfall is heavy, totalling around 561mm across the season with a monthly average of 187mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 21 to 32°C. Precipitation is moderate at around 155mm for the season, averaging 52mm per month. Winds are generally light, averaging 10km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Monthly Climate Data
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.
