Marshall Islands Weather in October

October is hot in the Marshall Islands, with daytime temperatures reaching around 86°F (30°C) and night-time temperatures sitting at about 77°F (25°C). In other words, it’s warm from breakfast to bedtime, so pack light clothing and plan your shade breaks wisely.

Temperatures Across the Marshall Islands

• Majuro - The average maximum temperature is 86°F (30°C) and the minimum average temperature is 77°F (25°C)
• Enewetak - The average maximum temperature is 87.8°F (31°C) and the minimum average temperature is 77°F (25°C)
• Kwajalein - The average maximum temperature is 87.8°F (31°C) and the minimum average temperature is 77°F (25°C)

Sea Temperatures in October

The sea is beautifully warm at around 84°F (29°C), making October a comfortable month for swimming, snorkelling and lagoon-based activities.

The Marshall Islands gets around 7 hours of bright sunshine per day in October, which works out to about 55% of daylight hours. With roughly 12 hours of daylight each day, there’s still plenty of time for lagoon trips, beach walks and lazy outdoor exploring.

That said, the Marshall Islands is predominantly cloudy year-round, with overcast or mostly cloudy conditions averaging between 75% and 85% of the time. The cloudiest period occurs in the late summer and autumn, typically peaking in this month and November, when the sky is overcast or mostly cloudy roughly 85% of the time.

You can expect some rainfall on around 19 days of the month, so the sunshine often comes between passing showers rather than in one flawless blue-sky stretch (tropical weather likes to keep things interesting).

UV Levels During October

The UV index can reach 11+ (Extreme), so even when clouds drift through, sun protection is essential. Wear sunscreen, cover up where you can and take shade breaks during the middle of the day.

For advice on what sunscreen to wear, see The Best Sunscreens for the Marshall Islands + Sun Protection Tips.

Sunrise and Sunset During October

October has daylight hours lasting about 12 hours a day in the Marshall Islands.

• Sunrise: 6:23 am at the beginning of October and around 6:21 am later in the month
• Sunset: 6:26 pm at the beginning of October and 6:14 pm at the end of October.

October is a wet and showery month in the Marshall Islands and, we’re not going to beat around the bush, you should expect rain to make an appearance.

Nevertheless, tropical rainfall patterns are often swift, followed by sunshine, so a rainy morning doesn’t always mean the whole day is a write-off.

If you need a rainy day backup for a couple of hours, check out the ideas in 10 Things to Do in the Marshall Islands on a Rainy Day.

The Marshall Islands receives an average of 12.1 in (307 mm) of rainfall in the month of October, with around 19 days out of October experiencing some rain.

Average Rainfall Across the Marshall Islands

• Majuro - The average rainfall in October is 12.1 in (307 mm)
• Enewetak - The average rainfall in October is 11.1 in (282 mm)
• Kwajalein - The average rainfall in October is 11.1 in (282 mm)

The Marshall Islands sits in the North Pacific typhoon region, and October falls within the broader period when tropical systems can develop in this part of the Pacific.

Tropical weather can bring heavy showers, squally winds, rough seas and disruption to boat or flight schedules, especially when travelling between atolls.

October is a month when travellers should pay close attention to forecasts and marine warnings, particularly if planning diving trips, lagoon excursions or inter-atoll travel.

However, weather can change quickly in this part of the Pacific, so it’s worth keeping an eye on local updates and taking any advice from accommodation hosts, boat operators or local authorities seriously.

If you want to reduce the chance of weather-related disruption, avoid packing your schedule too tightly around boat trips, lagoon excursions or outer-atoll transfers.

For those planning to travel during October, be aware of what to do if there is a tropical storm or typhoon alert by following our guide, Typhoon Safety in the Marshall Islands: How to Prepare for a Typhoon in the Marshall Islands.

October is one of the last particularly wet and unpredictable months of the year, so it is sensible to keep your plans close to Majuro Atoll. Nearby Arno still offers an achievable outer-atoll escape without depending on a long domestic flight or complicated island-hopping itinerary.

You are likely to enjoy your trip wherever you go, but if we had to choose the best places to visit in the Marshall Islands in October, they would be the following.

Majuro Atoll: Majuro is the most practical base in October, with the country’s widest choice of accommodation, restaurants and activities. Museums, markets, murals and historic sites give you useful options when rain sweeps across the atoll, while clearer spells can be used for diving, snorkelling and lagoon trips.

When conditions cooperate, head to islands such as Eneko or Bokanbotin for swimming, beaches and a quieter pace away from the main road. Staying overnight gives you more time to enjoy the lagoon without rushing back between weather windows.

Compare your options in 5 Island Day Trips & Island-Hopping Tours in the Marshall Islands, then find more ideas in The Complete Travel Guide to Majuro and 30 Best Things to Do on Majuro.

Arno Atoll: Close to Majuro, Arno Atoll remains the most realistic outer-atoll option in October. Its beaches, village communities and broad lagoon scenery offer a rewarding change of pace without taking you too far from the capital.

Boat crossings are highly weather-dependent at this time of year, so confirm the forecast, departure time and return arrangements before leaving. Plan the journey with Majuro to Arno Atoll by Boat: Fares, Schedules & Tips.

Learn more about where to go in The Atolls of the Marshall Islands & The Best to Visit.

Be prepared for the Marshall Islands in October by packing these few seasonal essentials:

• High-factor reef-safe sunscreen
• Light bamboo, linen or merino layers (we like the sustainable bamboo clothing of Moso Morrow)
• Light long-sleeved tops (to cover from sun and mosquitoes)
• Light pants/trousers (to cover the knees when appropriate – villages, church service, etc.)
• Sunhat
• Sunglasses
• Insect repellent
• Swimwear
• Rash vest (we like the UV-protecting Sharkskin rashies)
• Closed walking shoes
• Flip-flops/jandals/sandals
• Drypack (protect electronics in case it rains - we recommend these from Sharkskin)

Get more ideas on what to pack with our guide, What to Pack for the Marshall Islands: the Marshall Islands Packing List.