December is part of the drier season with lower rainfall and steadier trade winds, favorable for water-based recreation. Average temperatures are stable and comfortable for most visitors.
Matt Kieffer CC BY-SA 4.0 Wikimedia Commons
Average daily low and high (°C) and monthly rainfall. The badge shows how it feels, allowing for humidity.
Average temperature across Marshall Islands in December.
capital and nearby lagoons
December’s steady trades bring the island back to its popular season: bright mornings, warm afternoons, and short, often cooling showers in the late afternoon. Local life picks up around the holidays - chapels and community centers host events - and guesthouses and ferries can be busy, so reservations are recommended. Pack light cottons and a thin rain shell; expect comfortable evenings with a pleasant lagoon breeze.
Ebeye, Kwajalein Atoll, nearby dive sites
description”:”Kwajalein and the western Ralik atolls see similar tropical warmth but are more influenced by open-ocean swell and occasional logistical quirks tied to military access. The November-April period tends to be breezier and drier, while May-October brings higher humidity, showers and choppier seas that can disrupt small-boat schedules. Divers often prefer the drier months for visibility, but shore-based cultural visits are feasible year-round with flexible plans.”},{
atomic-test sites and expedition diving
description”:”The remote northern and western atolls - locations like Bikini and Enewetak - share the Marshalls’ tropical heat but require vessel-based access and careful planning. November-April usually offers the calmest sea windows favored by expedition and dive charters, while May-October brings more showers, choppier crossings and higher logistical risk. Visitors should plan extra buffer days, expect minimal shore services, and prioritize gear protection and flexible bookings.”},{
Jaluit, Mili, Ailinglaplap and quieter outer islands
December offers a pleasant trade-wind pattern with warm days and the occasional cooling shower; holiday travel increases slightly but nowhere near the bustle of Majuro. The clear lagoon windows make short snorkeling trips rewarding, and local home-cooked meals are readily available in villages. Make reservations for limited lodging at this time and carry modest gifts or gratuities when visiting small communities.
There are no major festivals or events in Marshall Islands during December to be aware of.
See how December compares with the rest of the year, then read the full guide.