Northern Mariana Islands Weather, climate and geography

Weather and climate

Best time to visit

Tropical climate, tempered by trade winds. The rainy season is July to November.

Required clothing

Lightweight cottons and linens, with light rainwear advisable all year.

Geography

Located to the south of Japan and to the north of Guam, the Northern Mariana Islands comprise 14 islands, the main ones being Rota, Saipan and Tinian. The group is compact, consisting of a single chain 736km (460 miles) long. The islands have high volcanic cones.