Samoa in August: Weather, Crowds & What to Expect

Season
High Season
Temperature
24-29°C (75-84°F)
Crowds
High
Prices
High
August continues the drier period with steady weather suitable for diving and beach trips; crowds and prices remain high. Advance bookings are recommended for popular guesthouses and excursions.

Climate Map for August

Samoa average temperature in August
-30°-20°-10° 10°20°30°40°

Average temperature across Samoa in August.

City Weather in August

City High Low Rain UV Feels
Apia extreme
Asau, Samoa 28° 22° 112 mm extreme Warm
Mulifanua extreme
Faleula 29° 22° 122 mm extreme Warm
Vaimoso 29° 22° 151 mm extreme Warm
Siusega 28° 22° 151 mm extreme Warm
Malie 29° 22° 122 mm extreme Warm

High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.

Upolu - Apia & North Coast

A steady, sunlit August is common across Apia and the north coast: long dry days, warm sea temperatures and refreshing trade-wind afternoons. Tourist numbers are still up from July, but the city never feels overcrowded; local crafts markets bustle and outdoor cafes fill. If you’re timing the Teuila Festival (held in September), August is a good run-up month for practicing itineraries and securing accommodation.

Upolu - South Coast & Aleipata (Lalomanu, To-Sua)

A typically sunny August delivers reliable beach weather in Aleipata - mornings warm and calm, afternoons pleasantly breezy - ideal for snorkeling the reefs and visiting To-Sua and nearby villages. The sea remains warm but clear and boat charters for offshore snorkeling or day cruises run regularly. Expect more tourists than in shoulder months; pack reef-safe sunscreen and lightweight layers for shade and evening winds.

Upolu - Interior Highlands and River Valleys

A clear August brings good trekking weather: long dry days and moderate sun make it the most dependable month to climb interior ridges and explore waterfalls without the mud of the wet season. Local guides operate full itineraries and village homestays are comfortable, though nights are cooler inland. Protect against strong sun at lower elevations and have a light jacket for summit breezes.

Savai’i - Islandwide (Salelologa, Afu Aau, Alofaaga Blowholes)

August brings long sunny days and good visibility across Savai’i, with trade winds keeping humidity down and the island scent of tropical forests strong. Popular sights like Afu Aau and the lava fields are accessible and comfortable for visitors; late-afternoon light is excellent for photography. Nights can be pleasantly cool inland, so a light layer for early mornings and evenings is useful.

Manono & Apolima - Small Outer Islets

August is reliably dry and breezy, ideal for short island-hopping and village stays with minimal risk of cancellations. The small islands’ communities are calm and welcoming, offering a true sense of rural Samoan life without the rain interruptions of summer. Pack light clothing suitable for constant sun and a waterproof camera or case for boat transfers.

Events & Festivals in August

There are no major festivals or events in Samoa during August to be aware of.