In May, Barcelona typically sees daytime highs of 21.3°C and overnight lows around 11.9°C. Compared to the annual average high of 19.6°C, May runs +1.6°C.
May in Barcelona averages a daytime high of 21.3°C and an overnight low of 11.9°C.
May runs +1.6°C compared to Barcelona's annual average high of 19.6°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 21.3°C and cooler evenings around 11.9°C.