Planning for the weather is a good way to make your trip to Batang Air relaxing and enjoyable, especially when youโre splurging. The hottest months are usually October and May, with an average temperature of 27ยฐC, while the coldest months are January and February, with an average of 26ยฐC. The rainiest months in Batang Air are December, November, January and October, with each month seeing an average of 421 mm of rainfall.