Atypical cool weather hits close to the equator

Cool weather isn't unusual in itself. But when it occurs in a city which averages 28°C to 31°C in January then it becomes a problem hobby-wise. Temperatures have plummeted 10°C to a low of 21°C in Kuala Lumpur and to an even lower 16°C in highland areas in the peninsula. To be fair such cool weather has nothing on the harsh winters in most countries. It's just that KLites aren't used to this, at