Planning for the weather is a good way to make your trip to Bukit Jambul relaxing and enjoyable, especially when you’re splurging. The hottest months are usually March and May with an average temp of 82°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Bukit Jambul are November, October, December, and May, with each month seeing an average of 13 inches of rainfall.