Chuuk weather in May
May in Chuuk: sweltering, soaked, with clean air — fine if you can take 20 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#9 of 12 months in Chuuk · #1071 of 1413 destinations to visit in May · comfort 67/100 (tier C)
- Days
- 31°C
- Nights
- 26°C
- Wet days
- 20
- Sun
- 9.7 h
- Humidity
- 83%
- Daylight
- 13 h

Traveller notes on Chuuk in May
Other months in Chuuk
Forum posters describing diving conditions across Micronesia note the final months of the year bring the rainier season with murkier underwater visibility, implying mid-year months like August offer relatively better diving conditions at Chuuk's famous Truk Lagoon wreck sites. Posters are direct that even during heavier rain, underwater visibility on the wrecks typically still holds at 25 meters or more, with water temperature a consistently pleasant 82F (about 28C) year-round. Posters consistently rate the wreck diving here among the best in the world, with several specifically saying it's worth visiting even if a rainier month is the only time available. Posters generally rate August as reliably rainy but among the better months for diving-focused visits to Chuuk, the underwater experience holding up well regardless of surface weather.
Forum posters name the last few months of the year as Chuuk's rainy season, with murkier underwater visibility than the drier months, and December through February averaging around 83F alongside genuinely heavy annual rainfall - Chuuk sits within the same wet tropical Micronesian pattern as neighboring Pohnpei. Posters are direct that being technically in a 'dry season' window is no guarantee, though - one visitor specifically reported days of constant rain during a February dive trip despite the seasonal label. Posters consistently rate Chuuk's wreck-diving as world-class regardless of surface weather, with underwater visibility the more relevant variable than rainfall for most visitors' actual itinerary.
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Chuuk climate normals — May
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Chuuk 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.
Shoulder seasonan ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Chuuk'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 weatherChuuk's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
Where is Chuuk?
Chuuk in May — FAQ
- Is May a good time to visit Chuuk?
- May in Chuuk: sweltering, soaked, with clean air — fine if you can take 20 rainy days. It ranks #9 of 12 months for Chuuk on SeasonMap's comfort score (67/100).
- What is the weather like in Chuuk in May?
- In May, Chuuk averages a daily high of 30.8°C and a low of 26.1°C, with about 361 mm of rain over roughly 19.6 rainy days.
- What is the air quality in Chuuk in May?
- Chuuk has a mean US Air Quality Index of about 41 in May.