If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Wanchawala: The hottest months are usually March and April with an average temp of 81°F, while the coldest months are January and February with an average of 80°F. The rainiest months in Wanchawala are May, November, September, and October, with each month seeing an average of 13 inches of rainfall.