If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Sidakarya: The hottest months are usually March and April with an average temp of 81°F, while the coldest months are August and July with an average of 78°F. The rainiest months in Sidakarya are December, January, November, and February, with each month seeing an average of 11 inches of rainfall.