Things to Do in Marshall Islands in May
May weather, activities, events & insider tips
May Weather in Marshall Islands
Is May Right for You?
Advantages
- Calm lagoon conditions for diving and snorkeling - May sits right in the sweet spot before the rougher summer months, with visibility typically reaching 30-40 m (100-130 ft) around the outer atolls and water temperatures holding steady at 28°C (82°F)
- Fewer tourists than the winter peak season - accommodation prices drop by roughly 15-25% compared to January through March, and you'll actually have space to yourself at Laura Beach and the lagoon dive sites without competing with cruise ship groups
- Peak season for manta ray aggregations at Bikini Atoll - the plankton blooms in May bring mantas in numbers you won't see other times of year, with some dive sites recording 15-20 individuals on a single dive
- Comfortable evening temperatures for outdoor activities - once the sun drops around 6:30 PM, temperatures cool to around 26°C (79°F) with ocean breezes, making it ideal for evening paddleboarding, beach walks, and the weekly community gatherings that happen across Majuro
Considerations
- Rain showers are unpredictable and can last 1-3 hours - unlike the brief tropical downpours you might expect, May storms tend to settle in for the afternoon, occasionally washing out planned boat trips or forcing you indoors between 2-5 PM roughly 3-4 days per week
- Limited indoor entertainment options when weather turns - Majuro has essentially two air-conditioned spaces worth visiting (the Marshall Islands Resort and Tide Table restaurant), so extended rainy periods can feel constraining if you haven't planned backup activities
- Inter-island flights get cancelled more frequently - Air Marshall Islands typically cancels or delays 15-20% of outer atoll flights in May due to weather, which can seriously disrupt tight itineraries if you're trying to visit Arno, Mili, or other outer islands
Best Activities in May
Bikini Atoll wreck diving expeditions
May offers the most reliable weather windows for the 3-4 day liveaboard trips to Bikini Atoll, where you'll dive the USS Saratoga aircraft carrier and other WWII wrecks in what Jacques Cousteau called the world's best wreck diving site. The manta aggregations peak this month, and visibility typically exceeds 35 m (115 ft). Water stays flat enough for comfortable surface intervals, which matters when you're doing 3-4 dives daily on deep wrecks at 50-60 m (165-195 ft).
Majuro Lagoon kayak and paddleboard exploration
The lagoon stays glassy most mornings in May, with winds picking up only after 11 AM. Launch from Laura Beach or the eastern causeway and paddle to the small motus (islets) scattered across the lagoon. You'll spot sea turtles, reef sharks in the shallows, and occasionally dolphins if you're out early enough. The water depth rarely exceeds 3 m (10 ft) in most areas, making it perfect for beginners who want to stop and snorkel whenever something catches their eye.
Arno Atoll overnight cultural homestays
May weather makes the 45-minute boat ride to Arno more comfortable than the rougher June-August period. These homestays put you in traditional villages where you'll learn traditional navigation techniques, participate in coconut harvesting and toddy tapping, and join evening storytelling sessions. The communities prepare umu (earth oven) feasts with fresh reef fish, breadfruit, and taro - food you absolutely won't find in Majuro restaurants. Worth noting that May coincides with the end of the pandanus harvest, so you might catch the last of the seasonal fruit processing.
Laura Beach sunset fishing with local families
Marshallese families fish the reef edges at Laura Beach most evenings, and many welcome visitors who want to learn traditional handline techniques. You'll wade out to knee-deep reef flats as the tide drops (check tide tables - best fishing happens on the outgoing tide between 4-7 PM), using simple handlines with fresh bait to catch parrotfish, grouper, and occasionally small tuna. The social aspect matters as much as the fishing - families bring coolers, share food, and kids play in the shallows while adults fish and talk story.
Alele Museum and traditional navigation center visits
Perfect backup plan for the 3-4 rainy afternoons you'll likely encounter in May. The Alele Museum holds the most comprehensive collection of Marshallese stick charts (wave navigation tools), historical photographs, and cultural artifacts in the Pacific. The attached library contains oral history recordings and genealogy records if you're researching family connections. Budget 2-3 hours to properly absorb everything, and time your visit for Thursday afternoons when local master navigators sometimes give demonstrations of traditional wayfinding techniques.
WWII battlefield and bunker exploration on Majuro
The eastern end of Majuro holds dozens of rusting Japanese and American military installations from WWII - gun emplacements, bunkers, aircraft wreckage, and ammunition storage sites slowly being reclaimed by jungle. May's rain actually helps because it keeps the undergrowth down and cools things off for the hiking involved. The sites around Rita and Djarrit villages are most accessible, with clear paths leading to concrete bunkers you can safely explore. Local guides share stories passed down from grandparents who lived through the occupation.
May Events & Festivals
Fishermen's Day celebrations
The first Friday of May honors Marshallese fishing traditions with canoe races, traditional fishing demonstrations, and seafood feasts across Majuro. Communities compete in outrigger canoe sprints across the lagoon, and master fishermen demonstrate ancient techniques like shark calling and night torch fishing. The best celebrations happen at Laura Beach and in Delap, where families set up food stalls selling grilled fish, coconut crab, and other local specialties you won't find in restaurants.