There's nothing like an all-inclusive holiday in Gemas to rejuvenate you, especially when you know what to expect from the elements. Here's some information to help you choose when to book: The hottest months are usually March and April, with an average temperature of 27°C, while the coldest months are January and February, with an average of 26°C. February and July are the driest months, while November and December are the rainiest months.