SeasonMapMiyakojima (Miyako) weather in May
Japan
May in Miyakojima: hot, soaked, with muggy air — fine if you can take 16 rainy days.
#6 of 12 months in Miyakojima · #933 of 1383 destinations to visit in May · comfort 74/100 (tier B)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Miyakojima in May
No notes yet. Open Miyakojima on the map to add the first one.
Miyakojima climate normals — May
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 23°C / 74°F | |
| Feels like (high) | 32°C / 90°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 227 mm / 8.9 in | ⛈ soaked |
| Rainy days | 16 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 23°C / 73°F | |
| Sunshine | 9.6 h/day | |
| Daylight | 13.3 h | |
| Wind | 28 km/h / 17 mph | |
| Air quality (US AQI) | 57 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Miyakojima 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.
BusyGolden Week in Japan(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Miyakojima'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 weatherMiyakojima's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Miyakojima in May
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Sea warm enough to swim
1 Apr – 15 Nov · usuallyThe water off Yonaha Maehama is comfortable for most of the year. Wind and swell, not temperature, decide whether the boats to the outer reef go out on any given morning.
- Season
Okinawa's rainy season
10 May – 25 Jun · usuallyMonsoonThe front sits over the Ryukyus for six weeks before the mainland gets it. Warm rain in bursts rather than a washout, and the sea is already swimmable through all of it.
Where is Miyakojima?
Miyakojima in May — FAQ
- Is May a good time to visit Miyakojima?
- May in Miyakojima: hot, soaked, with muggy air — fine if you can take 16 rainy days. It ranks #6 of 12 months for Miyakojima on SeasonMap's comfort score (74/100).
- What is the weather like in Miyakojima in May?
- In May, Miyakojima averages a daily high of 28.2°C and a low of 23.3°C, with about 227.1 mm of rain over roughly 15.9 rainy days.
- What is the air quality in Miyakojima in May?
- Miyakojima has a mean US Air Quality Index of about 57 in May.