City break

Apia weather in May

Temperature, sea and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

54

Holiday weather in May

Fair

Best time to visit: May – November

What is the weather like in Apia in May?

In May, Apia is hot: daytime highs average 28 °C, and even at night it stays warm at around 25 °C. The sea averages 29.2 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 24 days, totalling 216 mm. The air is often humid and muggy. All in all, May is a so-so month for a holiday in Apia.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score515457
Day29°28°28°
Night25°25°25°
Sea30°29°29°
Sun6 h6 h7 h
Rain days252422

More details for May

Daylight
11 h 29 min06:39 – 18:08
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
31 daysdew point 18 °C or moreAll months
Wind
21 km/haverage daily peakAll months
Cloud cover
60 %on averageAll months
Hot days
0 days30 °C or moreAll months
Time zone
UTC+13Pacific/Apia

How the score comes together

  • Temperatureweight 50 %85 %
  • Sunshineweight 20 %55 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Apia in May: quick answers

Is Apia hot in May?

Yes. In May, Apia is hot: daytime highs average 28 °C and nights stay around 25 °C.

Can you swim in Apia in May?

Yes. In May the sea averages 29.2 °C – almost as warm as a bath.

Does it rain much in Apia in May?

It rains often – on about 24 days, adding up to 216 mm.

Apia month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences