In May, Siemianowice Slaskie typically sees daytime highs of 18.0°C and overnight lows around 6.8°C. Compared to the annual average high of 12.3°C, May runs +5.6°C.
May in Siemianowice Slaskie averages a daytime high of 18.0°C and an overnight low of 6.8°C.
May runs +5.6°C compared to Siemianowice Slaskie's annual average high of 12.3°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 18.0°C and cooler evenings around 6.8°C.