Best Period to Go: Denis Island is said to have climate of tropical kind. It’s humid and warm; followed by maritimr influences. Temperature varies between 24 and 32 degree Celsius. There isn’t exclusive dry season. The period between May and October witnesses south-east trade winds; which results in comparatively dry climate. A bit of precipitation occurs in July-August. Wet season continues from December to ‘March’. The month of April is the finest one, in terms of paying a visit.