In May, Gliwice typically sees daytime highs of 18.1°C and overnight lows around 7.3°C. Compared to the annual average high of 12.5°C, May runs +5.6°C.
May in Gliwice averages a daytime high of 18.1°C and an overnight low of 7.3°C.
May runs +5.6°C compared to Gliwice's annual average high of 12.5°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.1°C and cooler evenings around 7.3°C.