In May, Brest typically sees daytime highs of 15.6°C and overnight lows around 8.7°C. Compared to the annual average high of 14.3°C, May runs +1.3°C.
May in Brest averages a daytime high of 15.6°C and an overnight low of 8.7°C.
May runs +1.3°C compared to Brest's annual average high of 14.3°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.6°C and cooler evenings around 8.7°C.