Hot, but tempered by cooling trade winds. The annual mean temperature is 27°C (80°F), varying by no more than two or three degrees throughout the year; average rainfall is 1,667mm. The temperature can drop to 16°C (60°F) on winter evenings. When climbing Mount Scenery, the temperature will drop by approximately 0.2°C (0.4°F) for each 100m (330ft) gained in altitude.

Lightweights and cottons are worn throughout the year. Umbrellas or light waterproofs are needed for the rainy season.