Planning for the weather is a good way to make your trip to Segamat relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and April, with an average temperature of 26°C, while the coldest months are January and February, with an average of 25°C. The rainiest months in Segamat are November, December, October and May, with each month seeing an average of 299 mm of rainfall.