In May, Ostrowiec Swietokrzyski typically sees daytime highs of 18.0°C and overnight lows around 6.7°C. Compared to the annual average high of 12.0°C, May runs +6.0°C.
May in Ostrowiec Swietokrzyski averages a daytime high of 18.0°C and an overnight low of 6.7°C.
May runs +6.0°C compared to Ostrowiec Swietokrzyski's annual average high of 12.0°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.0°C and cooler evenings around 6.7°C.