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

Chuuk🇫🇲 Micronesia · Micronesia · Island67
  1. 72Jan
  2. 77Feb
  3. 73Mar
  4. 73Apr
  5. 67May
  6. 69Jun
  7. 68Jul
  8. 71Aug
  9. 65Sep
  10. 69Oct
  11. 66Nov
  12. 63Dec

#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
Chuuk, Micronesia
Photo: Aotearoa at Polish Wikipedia · Public domain

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.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Chuuk's card on the map.

Chuuk climate normals — May

Daytime high31°C / 87°F🔥 sweltering
Nighttime low26°C / 79°F
Feels like (high)35°C / 95°F
Sea temperature29°C / 85°F♨️ bath-warm
Rainfall361 mm / 14.2 in⛈ soaked
Rainy days20 days
Humidity83%💦 very humid
Dew point26°C / 78°F
Sunshine9.7 h/day
Daylight12.5 h
Wind27 km/h / 17 mph
Air quality (US AQI)41🍃 good

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)

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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.

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Where is Chuuk?

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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.