Planning for the weather is a good way to make your trip to Padang Sidempuan relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and June, with an average temperature of 25°C, while the coldest months are January and February, with an average of 24°C. The rainiest months in Padang Sidempuan are November, December, October and April, with each month seeing an average of 493 mm of rainfall.