Taking into account the local weather in Honiara is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually May and November with an average temp of 80°F, while the coldest months are August and July with an average of 80°F. The rainiest months in Honiara are March, December, January, and February, with each month seeing an average of 17 inches of rainfall.