In May, Wilmington typically sees daytime highs of 23.3°C and overnight lows around 11.2°C. Compared to the annual average high of 17.8°C, May runs +5.5°C.
May in Wilmington averages a daytime high of 23.3°C and an overnight low of 11.2°C.
May runs +5.5°C compared to Wilmington's annual average high of 17.8°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 23.3°C and cooler evenings around 11.2°C.