In May, Trincomalee typically sees daytime highs of 34.7°C and overnight lows around 25.5°C. Compared to the annual average high of 32.1°C, May runs +2.6°C.
May in Trincomalee averages a daytime high of 34.7°C and an overnight low of 25.5°C.
May runs +2.6°C compared to Trincomalee's annual average high of 32.1°C, ranking #3 of 12 months by warmth.
Plan for daytime highs near 34.7°C and cooler evenings around 25.5°C.