Average temperatures, rainfall and packing tips for Barcelona, Spain in May
May in Barcelona is typically warm, with average daytime highs around 21°C and nights near 13°C. Temperature-wise it sits mid-range for Barcelona (the 6th warmest month).
Expect some rain: around 39 mm falls in Barcelona during May on average.
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In May, Barcelona averages a daytime high of about 21°C and a night-time low of around 13°C, based on recent historical data.
Expect some rain: around 39 mm falls in Barcelona during May on average.
May is one of the most comfortable months to visit Barcelona - daytime temperatures sit in a pleasant range and it's a good pick for sightseeing and time outdoors.