Planning for the weather is a good way to make your trip to Colomadu relaxing and enjoyable, especially when you’re splurging. The hottest months are usually October and September with an average temp of 78°F, while the coldest months are August and September with an average of 77°F. The rainiest months in Colomadu are February, March, January, and November, with each month seeing an average of 18 inches of rainfall.