Hot and tropical climate tempered by trade winds throughout most of the year. The driest period is from January to April and there is increased rainfall in summer and towards the end of the year. The volume of rain varies according to altitude; rain showers can occur throughout the year. The average annual rainfall is about 125cm (50in) to 200cm (80in) with a wetter season from May to October. Like the other Leeward Islands, St Kitts lies in the track of violent tropical hurricanes which are most likely to develop between August and October.

Tropical lightweights, with light rainwear advisable all year round.