Barcelona weather in May
Long-run climate averages for Barcelona, Spain in May, plus what the forecast models say for the days ahead.
In May, Barcelona averages 21°C by day and 13°C at night. The wettest month is usually October.
May in Barcelona averages a daytime high of 21°C and an overnight low of 13°C, which reads as mild for this part of the world. Across the whole year Barcelona sees roughly 628 mm of precipitation.
Climate averages tell you what to pack. They do not tell you what next Tuesday looks like - for that, see the live Barcelona forecast with every model compared and how much they currently agree.
Barcelona weather by month
what to expect in Barcelona through the yearHere is Barcelona's typical weather in each month: the average daytime high and overnight low in °C, how each month feels, and the wettest month marked. Use it to plan any trip to Barcelona by season.
Common questions
How warm is Barcelona in May?
Is May a good time to visit Barcelona?
Does it rain a lot in Barcelona in May?
Climate averages from ERA5 reanalysis. Model accuracy re-scored over a rolling 30 days. Page updated .