Apia (Samoa) weather in August

August in Apia: sweltering, rainy, with clean air — fine if you can take 22 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Apia🇼🇸 Samoa · South Pacific · Island84
  1. 65Jan
  2. 60Feb
  3. 78Mar
  4. 70Apr
  5. 72May
  6. 80Jun
  7. 77Jul
  8. 84Aug
  9. 82Sep
  10. 72Oct
  11. 71Nov
  12. 66Dec

#1 of 12 months in Apia · #484 of 1413 destinations to visit in August · comfort 84/100 (tier A)

Days
30°C
Nights
23°C
Wet days
22
Sun
10.4 h
Humidity
82%
Daylight
12 h
Apia, Samoa
Photo: Eric Seddon · Pexels

Traveller notes on Apia in August

Forum posters consistently name the July-to-September window, and August specifically, as Samoa's dry season and the most popular time to visit, with milder temperatures and lower humidity than the rest of the year. Posters do flag a real exception worth noting: one visitor's August trip report described surprisingly wet conditions, with locals telling them they'd seen more rain in the supposed dry season than in the wet season that year - a reminder that Samoa's rainfall pattern shifts year to year and can vary noticeably between the north and south coasts and between islands. Posters generally still rate August as one of the better months overall, while acknowledging that a 'dry season' label here is a seasonal tendency rather than a guarantee.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

Other months in Apia

Forum posters describe February in Samoa as extremely hot and genuinely wet, sitting within the wet season with oppressive humidity, though posters are consistent that it doesn't rain all day - the typical pattern is brief but heavy downpours in the early morning and mid-afternoon, leaving the rest of the day clear enough to get around without much trouble. Posters discussing cyclone risk note major storms have historically struck roughly every eight years or so, though the gap has varied considerably (one stretch ran twelve years between events). Posters reference Cyclone Evan, a major 2012 storm with winds around 160km/h that caused real damage and loss of life, mainly around Apia, as a reminder the risk is genuine even if statistically infrequent in any given year. Posters generally rate February as hot, humid and rain-prone but navigable for Apia, with cyclone risk real but not something to expect on a typical visit.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Apia's card on the map.

Apia climate normals — August

Daytime high30°C / 87°F🔥 sweltering
Nighttime low23°C / 74°F
Feels like (high)34°C / 93°F
Sea temperature29°C / 84°F♨️ bath-warm
Rainfall123 mm / 4.9 in🌧 rainy
Rainy days22 days
Humidity82%💦 very humid
Dew point23°C / 73°F
Sunshine10.4 h/day
Daylight11.7 h
Wind24 km/h / 15 mph
Air quality (US AQI)38🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Apia in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyTeuila Festival, school holidays in 2 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Apia's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Best weatherApia's best weather comes in June, August and September — separate windows, not one continuous season.

August includes Humpbacks off the south coast.

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Best weatherFair weatherToughest weather

What's on in Apia in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Nature

    Humpbacks off the south coast

    1 Jul – 31 Oct · usuallyWhale season

    Humpbacks move through Samoan water in the southern winter and are seen from the reef edge and from boats along Upolu's south side. There are no dedicated whale trips here, so it is a fishing or dive charter and luck. Source ↗

  • Festival

    Teuila Festival

    30 Aug – 5 SepMajor festivalCrowded

    A week of siva afi fire-knife, choir and dance competitions and the Miss Samoa pageant, with the Apia waterfront handed over to it. The 2026 edition runs under a new name, the Measina Festival. Source ↗

What's on around the world in August →

Where is Apia?

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Apia in August — FAQ

Is August a good time to visit Apia?
August in Apia: sweltering, rainy, with clean air — fine if you can take 22 rainy days. It ranks #1 of 12 months for Apia on SeasonMap's comfort score (84/100).
What is the weather like in Apia in August?
In August, Apia averages a daily high of 30.3°C and a low of 23.2°C, with about 123.2 mm of rain over roughly 22.2 rainy days.
What is the air quality in Apia in August?
Apia has a mean US Air Quality Index of about 38 in August.