Planning for the weather is a good way to make your trip to Yang Ma Sin Cao relaxing and enjoyable, especially when you're splurging. The hottest months are usually May and June, with an average temperature of 21°C, while the coldest months are January and December, with an average of 14°C. The rainiest months in Yang Ma Sin Cao are August, July, June and September, with each month seeing an average of 338 mm of rainfall.