Planning for the weather is a good way to make your trip to Simpang Ampat Semanggol relaxing and enjoyable, especially when you're splurging. The hottest months are usually June and March, with an average temperature of 27°C, while the coldest months are January and February, with an average of 26°C. The rainiest months in Simpang Ampat Semanggol are November, October, December and April, with each month seeing an average of 333 mm of rainfall.