In May, St Martin typically sees daytime highs of 14.0°C and overnight lows around 9.4°C. Compared to the annual average high of 13.2°C, May runs +0.8°C.
May in St Martin averages a daytime high of 14.0°C and an overnight low of 9.4°C.
May runs +0.8°C compared to St Martin's annual average high of 13.2°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 14.0°C and cooler evenings around 9.4°C.