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.

Trade winds can occasionally create choppier conditions on exposed coasts, but sheltered lagoons and mornings often provide calmer opportunities to enjoy the marine environment.

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 is a fantastic time to explore Wallis and Futuna, with drier conditions and comfortable temperatures that are ideal for outdoor discovery.

Start in Mata-Utu, where the waterfront and local markets offer insight into island life and culture. Nature lovers should visit Lake Lalolalo, a dramatic volcanic crater lake surrounded by steep cliffs and lush vegetation that create excellent opportunities for photography and quiet reflection.

History enthusiasts will appreciate Talietumu (Kolo Nui), an ancient Tongan fort that provides panoramic views and insight into the region’s pre-European heritage.

On Futuna, the Saint-Pierre-Chanel Basilica remains an important spiritual and historical landmark, drawing visitors interested in the islands’ cultural and religious legacy.

Whether exploring lagoons, hiking coastal trails or learning about local history, August offers excellent conditions to experience the natural beauty and relaxed atmosphere of Wallis and Futuna.

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)
• 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 Wallis & Futuna: Full Wallis & Futuna Packing List.