In May, Cayenne typically sees daytime highs of 29.3°C and overnight lows around 23.2°C. Compared to the annual average high of 30.0°C, May runs -0.7°C.
May in Cayenne averages a daytime high of 29.3°C and an overnight low of 23.2°C.
May runs -0.7°C compared to Cayenne's annual average high of 30.0°C, ranking #9 of 12 months by warmth.
Plan for daytime highs near 29.3°C and cooler evenings around 23.2°C.