In May, Barcelona typically sees daytime highs of 32.4°C and overnight lows around 23.3°C. Compared to the annual average high of 31.4°C, May runs +1.0°C.
May in Barcelona averages a daytime high of 32.4°C and an overnight low of 23.3°C.
May runs +1.0°C compared to Barcelona's annual average high of 31.4°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 32.4°C and cooler evenings around 23.3°C.