Apia (Samoa) weather in May

May in Apia: sweltering, soaked, with clean air — fine if you can take 25 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Apia🇼🇸 Samoa · South Pacific · Island72
  1. 65Jan
  2. 60Feb
  3. 78Mar
  4. 70Apr
  5. 72May
  6. 80Jun
  7. 77Jul
  8. 84Aug
  9. 82Sep
  10. 72Oct
  11. 71Nov
  12. 66Dec

#6 of 12 months in Apia · #983 of 1413 destinations to visit in May · comfort 72/100 (tier B)

Days
31°C
Nights
24°C
Wet days
25
Sun
9.6 h
Humidity
86%
Daylight
12 h
Apia, Samoa
Photo: Eric Seddon · Pexels

Traveller notes on Apia in May

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 ↗
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 ↗

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

Apia climate normals — May

Daytime high31°C / 88°F🔥 sweltering
Nighttime low24°C / 75°F
Feels like (high)37°C / 99°F
Sea temperature29°C / 85°F♨️ bath-warm
Rainfall229 mm / 9 in⛈ soaked
Rainy days25 days
Humidity86%💦 very humid
Dew point24°C / 76°F
Sunshine9.6 h/day
Daylight11.5 h
Wind21 km/h / 13 mph
Air quality (US AQI)27🍃 good

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

Crowds in Apia in May

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.

BusyIndependence Day(estimated)

JFMAMJJASOND

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).

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

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Apia in May

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

  • Holiday

    Independence Day

    30 May – 3 JunNational holidayCrowdedClosures

    Samoa marks its independence, gained in 1962, with parades, church services and inter-village sport over several days around 1 June. Offices and most of Apia's shops shut for it. Source ↗

  • Season

    Wet season

    MonsoonRisk

    25 rainy days and about 229 mm in the month — the real kind of rainy season, not afternoon showers.

    from the climate normals

What's on around the world in May →

Where is Apia?

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Apia in May — FAQ

Is May a good time to visit Apia?
May in Apia: sweltering, soaked, with clean air — fine if you can take 25 rainy days. It ranks #6 of 12 months for Apia on SeasonMap's comfort score (72/100).
What is the weather like in Apia in May?
In May, Apia averages a daily high of 31.2°C and a low of 24°C, with about 229.3 mm of rain over roughly 25.3 rainy days.
What is the air quality in Apia in May?
Apia has a mean US Air Quality Index of about 27 in May.