Last updated: February 6, 2025
May in Barcelona, Spain showcases a delightful transition into warmer weather, with maximum temperatures reaching a pleasant 30°C (86°F) and an average of 17°C (63°F), creating the perfect environment for outdoor activities. While days are predominantly sunny, the city experiences periodic rain, accumulating to about 49 mm (1.9 in) over 9 days, adding a refreshing touch to the warm climate. With a humidity level of 66%, the air remains comfortably moist, making May an ideal time to explore Barcelona’s vibrant streets and stunning architecture. Visitors can enjoy the charm of the city while basking in the invigorating spring atmosphere.
In May, Barcelona begins to shake off the chill of winter, welcoming warmer days that hint at the approaching summer. The temperatures show a noticeable rise, with a minimum of 7°C (44°F) and a peak reaching up to 30°C (86°F), allowing locals and visitors alike to enjoy the city's vibrant outdoor life. The average temperature settles around 17°C (63°F), providing a perfect backdrop for exploring the beautiful parks, sun-soaked beaches, and stunning architecture. As the month progresses, the transition is clear: May serves as a delightful bridge between the cooler spring months and the sultry summer heat, making it an ideal time to experience Barcelona's lively atmosphere.
In May, Barcelona experiences a moderate level of precipitation, with 49 mm (1.9 in) of rain typically falling over 9 days. This month marks a slight decrease from April's 71 mm (2.8 in), indicating a transition to drier conditions as summer approaches. Following a pattern observed in previous months, the amount of rainfall in May is consistent with the generally light rain that the city enjoys in late spring. As the lush greenery takes root from the spring rains, visitors can expect occasional showers intermingled with the warm Mediterranean sun, creating a vibrant atmosphere perfect for exploration. With June on the horizon and precipitation levels dropping to 26 mm (1.0 in), the city gears up for sunnier days ahead.
In May, Barcelona experiences a gentle dip in humidity, settling at 66%. This marks a continued decline from the wetter months of winter and early spring, where levels were notably higher—reaching 79% in January. As the city transitions into summer, this decrease in humidity not only enhances the comfort level for residents and tourists but also paves the way for the warm, sunny days typical of late spring. From May onward, humidity continues to hover around the mid-sixties, creating a pleasantly dry atmosphere that invites outdoor activities and exploration. Overall, May serves as a delightful bridge between the lush, damp winter and the hot, arid summer months, making it one of the most enjoyable times to experience the vibrant city.
As spring transitions into summer, Barcelona's UV Index sees a notable surge, reaching 8 in May, which signifies a very high exposure risk. This increase reflects a trend of intensifying UV radiation as the year progresses, with May boasting a reduced burn time of just 15 minutes—a stark contrast to the moderate levels of earlier months like January through March, which averaged a UV Index of 3 to 5. With the arrival of this vibrant month, it's essential for residents and tourists alike to be vigilant about sun protection. As the sun blazes more fiercely, proper precautions are crucial for enjoying the beautiful Barcelona outdoors safely. For more information on sun safety throughout the year, visit Barcelona UV Index.
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In May, Barcelona basks in an impressive 404 hours of sunshine, marking a delightful transition into the summer months. This surge in sunshine hours reflects the increasing warmth and vibrancy that the city exudes as spring gives way to summer. Following the steady climb from 345 hours in April, May's radiant days set a tone of enthusiasm, inviting both locals and tourists to indulge in the outdoors. As the sun continues to shine more brilliantly, the city's energy peaks, promising endless opportunities for exploration and enjoyment before the summer heat fully sets in. With each passing month, a clear upward trend emerges, culminating in a sunny Catalonian paradise that sparks joy and adventure.
In May, the likelihood of sunny weather in Barcelona shows a modest chance of 38%, which places it among the lower percentages for the spring season. Compared to earlier months, like March with 55%, and notably higher June at 53%, May offers a slight dip in sunshine likelihood. This trend highlights the transitional nature of late spring, where occasional clouds and rain can still grace the city, but the warmer months ahead promise a significant increase in sunny days. As summer approaches, Barcelona's chances of basking in the sun sharply rise, peaking in July at 70%. Thus, while May may not be the sunniest month, it serves as a gentle segue into the vibrant, sun-soaked days of summer.
As spring blooms into summer, Barcelona experiences a remarkable increase in daylight, with May shining brightly at 14 hours of sunlight. This surge follows the steady progression from 11 hours in March and 13 hours in April, illustrating the city's vibrant transition into longer days. After May, the daylight peaks in June at 15 hours, before gradually tapering off through the summer months. The cycle repeats into the fall, leading back to shorter days in the cooler months of November and December, where daylight dwindles to 9 hours once again. This rhythm of light not only marks the changing seasons but also enhances the city's allure, inviting both locals and visitors to indulge in its longer, sunlit days.
In Barcelona, the wind in May gently mirrors the transition into warmer months, with an average speed of 2.9 m/s (6 mph). This slight increase from the calmer April (2.6 m/s) indicates a shift towards more consistent breezes as summer approaches. Overall, the wind speeds during early spring are generally lower, with March recording the least at 2.5 m/s (6 mph). Interestingly, as the year progresses, November maintains a similar pace to May, suggesting that the coastal city's breezy nature is a signature feature throughout the year. As outdoor activities ramp up in May, the mild winds deliver a refreshing touch, making the city's vibrant streets and scenic coastal views even more inviting.
The weather in Barcelona changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Barcelona and find detailed weather information for every month.
In May, the weather in Barcelona typically features a comfortable average temperature of 17°C (63°F), with a range that can reach up to a warm 30°C (86°F). The month sees around 49 mm (1.9 in) of precipitation over approximately 9 days, accompanied by a humidity level of 66%. In contrast, January experiences cooler conditions, with average temperatures around 8°C (47°F) and a maximum of 20°C (68°F). Precipitation levels are slightly higher at 56 mm (2.2 in), but rainy days are fewer, totaling around 6 days. Additionally, January tends to have a higher humidity at 79%. For more detailed insights into January weather, you can visit Barcelona weather in January.
When comparing the weather in May and February, it's clear that May offers a much warmer experience. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 30°C (86°F), with an average temperature of 17°C (63°F). In contrast, February's temperatures are cooler, with a minimum of 0°C (33°F) and a maximum of 21°C (69°F), averaging 10°C (51°F). While both months see similar levels of precipitation—49 mm (1.9 in) in May and 46 mm (1.8 in) in February—the distribution is different, with May experiencing rainfall on about 9 days compared to February's 7 days. Additionally, humidity is slightly higher in February at 74%, versus 66% in May. For more detailed insights, check out Barcelona weather in February.
May generally brings warmer temperatures compared to March, with average temperatures rising from 11°C (53°F) in March to 17°C (63°F) in May. The maximum temperature in May can reach up to 30°C (86°F), significantly higher than the maximum of 21°C (71°F) typically seen in March. Although both months experience similar amounts of precipitation—49 mm (1.9 in) in May and 47 mm (1.8 in) in March—May tends to be slightly drier with precipitation occurring on 9 days compared to just 7 days in March. Humidity levels also decrease slightly from March's 71% to May's 66%, making the latter month feel more comfortable. For a deeper dive into March's weather specifics, you can visit Barcelona weather in March.
In comparing the weather of May and April, May typically offers milder temperatures with a minimum of 7°C (44°F) and an average of 17°C (63°F), while April starts cooler, with a minimum of 4°C (40°F) and an average of 13°C (56°F). May also sees a broader temperature range, reaching a maximum of 30°C (86°F), compared to April's max of 24°C (75°F). While both months experience nine days of precipitation, April is slightly wetter with 71 mm (2.8 in) compared to May's 49 mm (1.9 in). Humidity levels remain relatively similar, at 66% in May and 69% in April. For a more detailed look at the conditions in April, visit Barcelona weather in April.
May and June exhibit distinct weather characteristics, marking the transition from spring to early summer. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 30°C (86°F), with an average of 17°C (63°F). The month sees about 49 mm (1.9 in) of precipitation over nine days, and the humidity hovers at 66%. In contrast, June experiences milder nights with a minimum temperature of 13°C (55°F) and warmer afternoons, reaching up to 32°C (90°F) with an average temperature of 21°C (71°F). Additionally, June is drier, with only 26 mm (1.0 in) of rain across six days and slightly lower humidity at 65%. For more detailed insights, you can check Barcelona weather in June.
In May, temperatures in Barcelona range from a cool 7°C (44°F) to a warm 30°C (86°F), with an average of 17°C (63°F). The month sees an average of 49 mm (1.9 in) of precipitation over about 9 days, and humidity levels typically hover around 66%. In contrast, July experiences significantly warmer conditions, with minimum temperatures of 16°C (62°F) and a pleasant average of 24°C (76°F), reaching up to 31°C (88°F) at its peak. Precipitation decreases to 35 mm (1.4 in) over just 5 days, and humidity drops slightly to 64%. This shift highlights the transition from the mild spring weather of May to the warmer, drier summer days in July, making it a great time to enjoy outdoor activities. For more details, you can check Barcelona weather in July.
May and August present distinct weather patterns, showcasing the transition from spring to summer. In May, temperatures range from a cooler 7°C (44°F) at night to a pleasant 30°C (86°F) during the day, with an average of 17°C (63°F). This month also sees more frequent precipitation, averaging 49 mm (1.9 in) over about 9 days, combined with a humidity level of 66%.
In contrast, August features warmer temperatures, with a minimum of 15°C (60°F) and a maximum of 34°C (94°F), resulting in a comfortable average of 25°C (77°F). Precipitation is less frequent in August, totaling 37 mm (1.4 in) over just 7 days, and the humidity is slightly lower at 64%. For those interested in more detailed information about summer conditions, please visit Barcelona weather in August.
In May, the weather tends to be mild and pleasant, with temperatures ranging from a minimum of 7°C (44°F) to an average of 17°C (63°F), and reaching a maximum of 30°C (86°F). The month experiences about 49 mm (1.9 in) of precipitation over roughly 9 days, with an average humidity of 66%. In contrast, September offers a warmer average temperature of 22°C (71°F), with minimal temperatures starting at 12°C (54°F) and also reaching highs of 30°C (86°F). However, it brings more rainfall, totaling 81 mm (3.2 in) over about 12 days, along with slightly higher humidity at 68%. For more insights, you can check Barcelona weather in September.
May and October show a noticeable contrast in weather patterns. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 30°C (86°F), providing an average of 17°C (63°F). The month experiences about 49 mm (1.9 in) of precipitation over 9 days, with humidity levels at 66%. In comparison, October has a cooler temperature range with a minimum of 7°C (45°F) and a maximum of 26°C (79°F), averaging 18°C (64°F). Additionally, October sees significantly more rainfall, with 121 mm (4.7 in) over 11 days and increased humidity at 77%. For those interested in more details, you can check out Barcelona weather in October.
May and November present contrasting weather patterns, reflecting the transition from spring to fall. In May, temperatures range more widely, with a minimum of 7°C (44°F) and a maximum that can reach as high as 30°C (86°F), giving it an average of 17°C (63°F). The month experiences about 49 mm (1.9 in) of precipitation over roughly 9 days, and humidity sits at a comfortable 66%. In contrast, November features cooler temperatures with a minimum of 3°C (38°F) and a maximum of 23°C (73°F), averaging around 13°C (55°F). Rain is slightly more prominent during this month, with 67 mm (2.6 in) over about 8 days, and higher humidity at 79%. For more details on November weather, you can visit Barcelona weather in November.
In May, the weather in Barcelona is notably warmer, with average temperatures ranging from a minimum of 7°C (44°F) to a maximum of 30°C (86°F), creating pleasant conditions for outdoor activities. Precipitation is relatively moderate, with about 49 mm (1.9 in) spread over 9 days, and humidity levels at 66%. In contrast, December brings cooler temperatures, with averages ranging from a minimum of 1°C (34°F) to a maximum of 18°C (65°F). The month sees less rainfall, totaling 30 mm (1.2 in) over just 4 days, but the humidity rises to 79%, giving a damp feel to the cooler days. For a deeper look at winter conditions in the city, check out Barcelona weather in December.
As spring unfolds in Barcelona, May brings a delightful shift in the weather, offering a refreshing break from the cooler, wetter months. With temperatures starting to warm up, visitors can enjoy an inviting average of around 17°C, often basking under sunny skies. While there may still be some rainy days, the overall precipitation is lower than in previous months, making it a splendid time to explore the city’s vibrant streets and stunning architecture. The increased humidity does add a touch of warmth, but it’s manageable and enhances the lush greenery of this beautiful city. For an in-depth understanding of the changing seasons, check out Barcelona Climate.