Planning for the weather is a good way to make your trip to Kampung Batang Lassa relaxing and enjoyable, especially when youโre splurging. The hottest months are usually May and July, with an average temperature of 27ยฐC, while the coldest months are January and February, with an average of 26ยฐC. The rainiest months in Kampung Batang Lassa are December, January, November and October, with each month seeing an average of 393 mm of rainfall.