Climate guide for Apia, Samoa

Apia in May

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

May · Samoa

Best time to visit Apia in May Weather, crowds & prices

Weather in Apia in May

Average temperature 28°C, 155 mm of rain, about 17 days with 6+ hours of sunshine and 82% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

May score

6.9/10

Ranked #12 of 12 months

Full year for Apia
Avg temp
28°C
Rainfall
155 mm
Humidity
82%
Days with 6h+ sun
17
Crowd Density
Quiet / Uncrowded
Average Expenses
$ · Budget Friendly ($)

May in Apia scores 6.9/10 for beach and coastal travel - ranked #12 of 12. Expect around 28°C, 155 mm of rain, and roughly 17 days with 6+ hours of sunshine this month.

Apia is Samoa's capital on Upolu's north coast, with a harbour, markets and Robert Louis Stevenson's Vailima estate.

May in Apia — middling scores, decent value

Days in May average 28°C (83°F) and humidity near 82% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.

155 mm of rain signals a properly wet month, with only about 17 days with 6+ hours of sunshine to count on — build indoor options into the schedule.

That is 6.9/10 on the same scale — 12th of 12 months, versus 8.9/10 for the best month here.

Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.

Budget for low-season pricing, and crowds are light for this destination.

If your dates are flexible, September is materially better in Apia — 2 points higher on the same scale.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Apia in May?
In May, Apia averages 28°C, 155 mm of rain, and about 17 days with 6+ hours of sunshine. Its climate-comfort score is 6.9/10.
Is May a good time to visit Apia?
May earns a 6.9/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Apia in May?
Expect about 155 mm of rain in May. Average humidity is 82% and there are about 17 days with 6+ hours of sunshine.

Curated in Apia

Tickets & experiences

Things to do in Apia

Apia, Samoa. Live activities and tours from GetYourGuide, matched to this destination.