Taking into account the local weather in Eniwetok is an important factor for planning your visit, especially if you plan to spend your trip poolside. The hottest months are usually September and August with an average temp of 83°F, while the coldest months are February and March with an average of 81°F. The rainiest months in Eniwetok are October, September, August, and November, with each month seeing an average of 10 inches of rainfall.