American Samoa Weather in June

June marks the beginning of the dry season in American Samoa, but don't expect a drastic drop in temperatures, this tropical paradise stays warm and inviting year-round. While locals may start referring to this period as their "winter," it still feels like summer to most visitors.

Daytime temperatures in June typically reach 29°C (84°F), while nighttime lows settle around 23°C (73.4°F). The humidity begins to ease slightly compared to the earlier wet months, but it still gives the islands that signature tropical feel.

Whether you're relaxing on the beach or hiking through lush rainforests, expect to feel comfortably warm from sunrise to sunset.

Sea Temperature in June

Ocean lovers rejoice, sea temperatures in June average around 28°C (82°F), perfect for swimming, snorkelling, and diving without the chill. You can count on warm, welcoming waters no matter which part of the island you're exploring.

June brings some of the shortest days of the year to American Samoa, but don't let that fool you, there's still around 11 hours of daylight to enjoy. It has an average of four hours of sunshine per day. For sunseekers looking to escape the chill of winter elsewhere, June is a brilliant time to visit.

UV Levels During June

Although UV levels dip slightly compared to the hotter months earlier in the year, they still reach a UV index of eight around midday, classified as very high. Be sure to pack reef-safe, high-factor sunscreen and reapply regularly throughout the day to stay protected while enjoying outdoor adventures.

Sunrise and Sunset During June

• Sunrise: Around 6:35 am at the beginning of June and 6:42 am by the end of the month
• Sunset: Around 5:55 pm early in the month, slightly later at 6:00 pm by month's end

June is considered one of the driest and most pleasant months to visit American Samoa. With the wet season firmly behind, rainfall drops significantly, offering more consistent weather for outdoor adventures.

American Samoa typically receives an average of 159 mm (6.3 in) of rainfall during June, spread across just five rainy days. These rain showers tend to be brief and are often confined to the early morning or evening hours, leaving most of the day sunny and dry.

This makes June an excellent time to explore the islands, hike lush trails or enjoy beach and snorkelling days without much disruption from the weather.

June falls outside the official South Pacific cyclone season, which runs from November LINK#TT055 to April. This makes it one of the safest and most stable months to visit American Samoa in terms of weather, with a very low risk of tropical storms or cyclones.

While cyclones are rare, it's always a good idea to stay informed during your travels.

If you're particularly concerned about storms, the months of June through September LINK#TT057 are amongst the most reliable times to visit in terms of cyclone safety. Find out more about tropical storms in our guide, Cyclone Safety in American Samoa LINK#TT030.

June is one of the best times to visit American Samoa, with dry, sunny days, cooler temperatures and very little rainfall. With the islands seeing more sunshine and fewer showers, it's an ideal month for beach days, hiking and sightseeing without the oppressive heat or high humidity of earlier months.

Tutuila – The main and most accessible island offers a rich mix of natural beauty and cultural heritage. June is a great time to explore its highlights with fewer crowds and perfect weather. Hike up Mt ʻAlava in the National Park of American Samoa for panoramic coastal views, swim at stunning beaches like Two Dollar Beach or Vatia Bay, and visit cultural spots like the Jean P. Haydon Museum in Pago Pago.

Aunu'u Island – For a quieter escape, take a short boat ride to Aunu'u Island off the southeast coast of Tutuila. This lesser-visited gem is home to tranquil beaches, volcanic craters and traditional villages. It's perfect for day trips during this dry, calm weather period.

If you have the time, exploring both Tutuila and Aunu'u gives you a more complete view of American Samoa's natural and cultural landscape. Wherever you go, June offers ideal conditions for outdoor activities and relaxed island vibes.

Be prepared for American Samoa in June by packing these few seasonal essentials:

• Light clothing layers for the day (preferably linen, bamboo or merino so it is super light - we like the sustainable bamboo clothing of Moso Morrow
• Light long-sleeved tops (to cover from sun and mosquitoes)
• Light pants/trousers/skirt (to cover the knees when appropriate – villages, church services or to protect from mosquitoes when hiking, for example)
• Sunhat
• Sunglasses
• Swimwear
• Rash vest (we like the UV-protecting Sharkskin rashies)
• Closed walking shoes
• Flip-flops/jandals/sandals
• Insect repellent
• High-factor sunscreen (that’s reef-safe and water-resistant).

Get more ideas on what to pack with our guide, What to Pack for American Samoa: American Samoa Packing List.