Apia weather in May
May in Apia: sweltering, soaked, with clean air — a great time to visit.
#6 of 12 months in Apia · #369 of 604 destinations to visit in May · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Apia climate normals — May
| Daytime high | 30°C / 85°F | 🔥 sweltering |
|---|---|---|
| Nighttime low | 26°C / 78°F | |
| Feels like (high) | 35°C / 95°F | |
| Rainfall | 173 mm / 6.8 in | ⛈ soaked |
| Rainy days | 24 days | |
| Humidity | 86% | 💦 very humid |
| Dew point | 24°C / 76°F | |
| Sunshine | 9.9 h/day | |
| Daylight | 11.5 h | |
| Wind | 19 km/h / 12 mph | |
| Air quality (US AQI) | 27 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Apia in May — FAQ
- Is May a good time to visit Apia?
- May in Apia: sweltering, soaked, with clean air — a great time to visit. It ranks #6 of 12 months for Apia on SeasonMap's comfort score (78/100).
- What is the weather like in Apia in May?
- In May, Apia averages a daily high of 29.6°C and a low of 25.8°C, with about 173 mm of rain over roughly 23.8 rainy days.
- What is the air quality in Apia in May?
- Apia has a mean US Air Quality Index of about 27 in May.