Weather in Barcelona in May 2025
Average weather
Average temperature in Barcelona in May
Going from a maximum of +26°C during the day to a minimum of +12°C during the night, the temperature in May averages around +22°C.
The average maximum temperature goes up 43% by the end of the month, compared with the beginning of the month, from +19°C to +25°C.
Is Barcelona warm or cold in May?
Barcelona is typically mild in May.
Maximum temperatures go up compared to the previous month from +17°C to +20°C. The minimum temperature also goes up from +11°C to +14°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how May is compared to other months in Barcelona:
Water temperature in Barcelona in May
Water in Barcelona in May is Fresh. It varies from +15°C to +21°C, with an average of +18°C. This is almost similar to the air temperature, which averages +20°C.
In May, water temperatures are average relative to the rest of the year:
Can you swim in Barcelona in May?
Climate in Barcelona in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +17°C | +20°C | +24°C | ||||
| Min. temperature | ||||||
| +5°C | +8°C | +11°C | ||||
| Max. temperature | ||||||
| +26°C | +33°C | +37°C | ||||
| Rainfall | ||||||
| 53 mm | 48 mm | 33 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +15°C | +18°C | +21°C | ||||
| Humidity | ||||||
| 72% | 72% | 71% | ||||
| Air pressure | ||||||
| 1013 HPa | 1014 HPa | 1015 HPa | ||||
| Sunny days | ||||||
| 10 | 11 | 13 | ||||
| Cloudy days | ||||||
| 7 | 8 | 6 | ||||
| Rainy days | ||||||
| 11 | 10 | 8 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as good as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +17°C to +20°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 53 mm to 48 mm. Humidity levels don’t change as the month goes on, averaging around 72%. The average wind speed doesn’t change much during May, staying around 3 m/s. The good news is there are likely to be more sunny days in May, from 10 to 11.
June brings much the same weather, it remains good.
Wind
The average wind speed is 3 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Barcelona is gradually increasing during May, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last May in Barcelona?
Climate Change over Years
The climate in Barcelona in May has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+18°C) and the highest in 2022 (+22°C). The driest year was 1990 with only 378 mm of rainfall, and the wettest year was 2020 with 1436 mm.
FAQ
Is May a good time to visit Barcelona?
Can you sunbathe in Barcelona in May?
Can you swim in Barcelona in May?
Is Barcelona rainy in May?
Is it sunny in Barcelona in May?
Other cities in Spain
Monthly weather in Barcelona
Source of the data
For this page, we’ve looked at the typical weather in Barcelona, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.