Planning for the weather is an important factor for making your trip to Sigapon a success, especially when you’re splurging. The hottest months are usually May and August, with an average temperature of 25°C, while the coldest months are February and January, with an average of 23°C. The rainiest months in Sigapon are May, November, January and April, with each month seeing an average of 414 mm of rainfall.