If you're looking forward to lots of outings with your partner, check out these details about year-round temperatures in Wangi-Wangi: The hottest months are usually November and October with an average temp of 81°F, while the coldest months are August and September with an average of 79°F. The rainiest months in Wangi-Wangi are February, March, December, and January, with each month seeing an average of 14 inches of rainfall.