Wallis & Futuna Weather in August

August in Wallis and Futuna is typically one of the more comfortable months of the year, with daytime temperatures around 29°C (84.2°F) and tradewinds that help moderate humidity.

While it is considered part of the drier season, the tropical marine climate means conditions remain warm and pleasant for outdoor exploration.

Evenings are mild at about 23°C (73.4°F), making it easy to enjoy coastal walks and relaxed island nights.

Sea Temperature in August

The surrounding South Pacific waters stay inviting for swimming and snorkelling in August, with sea temperatures around 28°C (82.4°F). Although slightly cooler than earlier in the year, the ocean remains warm by global standards and perfect for water activities.

Tradewinds can occasionally create choppier conditions on exposed coasts, like in Futuna, but sheltered lagoons and mornings often provide calmer opportunities to swim and snorkel.

August in Wallis and Futuna still offers plenty of daylight, with around 12 hours per day and several hours of sunshine that are ideal for outdoor exploration. It is one of the more pleasant months to enjoy beaches, coastal walks and cultural sites, as conditions are typically dry and comfortable for sightseeing.

UV Levels During August

UV levels remain very high in August, often reaching 10 on the UV index around midday. High-factor, reef-safe sunscreen and protective clothing are recommended when spending time outdoors to minimise sun exposure.

Sunscreen is essential! Use a high-SPF, reef-safe option and reapply regularly, especially if you're in and out of the water, see The Best Sunscreens for Wallis & Futuna + Sun Protection Tips.

Sunrise and Sunset During August

In August, Wallis and Futuna experience about 12 hours of daylight each day.

• Sunrise: Around 6:05 am at the start of the month, shifting earlier to 5:49 am by the end
• Sunset: Around 5:37 pm early in the month, extending slightly to 5:40 pm later on

Rainfall in August in Wallis and Futuna decreases compared to the wetter months, but tropical showers can still occur.

On average, around 152 mm (6 in) of rain falls across approximately three days during the month. These downpours are often brief and may happen overnight, leaving most days warm and sunny for outdoor activities.

The tropical marine climate means humidity remains present, yet trade winds and generally drier conditions make August a pleasant time for exploring beaches, villages and natural sites.

Tropical storms in August in Wallis and Futuna are very unlikely, as the South Pacific cyclone season runs from November to April.

This makes August one of the more stable and weather-reliable months to visit, with minimal risk of tropical cyclones. While the tropical marine climate can still bring occasional showers, major storm activity is rare during this period.

Travellers can generally expect settled conditions, making August a good time for outdoor exploration and lagoon activities.

Find out more about tropical storms in our guide, Cyclone & Hurricane Safety in Wallis & Futuna.

August in Wallis and Futuna offers a captivating mix of cultural celebrations and perfect weather conditions that make it an ideal time to explore.

The month kicks off with vibrant village festivities. Don't miss the charming celebration in Utufua village on Wallis on 4th August, where locals gather for traditional dancing and feasting.

The highlight comes on 5th August with Assumption Day, featuring major district celebrations in Hahake on Wallis and in Sigave on Futuna. What we love about this religious festival is how beautifully it weaves together Catholic traditions with Polynesian culture, where you'll witness mesmerising cultural dancing and see traditional kava ceremonies that bring the whole community together.

August's dry conditions also make it absolutely perfect for tackling Mt Puke, the highest peak in Wallis and Futuna. We recommend checking for clear skies before setting off.

For multi-day adventures, the hiking trails across Alofi are spectacular this time of year. If you can arrange camping, you'll experience the island's raw beauty in complete solitude.

Meanwhile, the reliable tradewinds make August ideal for Hobie Cat sailing and kitesurfing on the pristine Wallis Lagoon.

Cap off the month with Halalo's village fête on 21st August, another wonderful opportunity to immerse yourself in local island life.

If you can only visit one island, check out Which is Better, Wallis or Futuna? to help you compare and decide which destination best suits your interests and travel style.

Be prepared for Wallis and Futuna in August 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)
• Pants/skirt that covers the knee (if visiting churches)
• 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)
• Mask, snorkel (and fins if visiting Futuna).

Get more ideas on what to pack with our guide, What to Pack for Wallis & Futuna: Full Wallis & Futuna Packing List.