Chuuk weather in August

August in Chuuk: sweltering, soaked, with clean air — fine if you can take 19 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Chuuk🇫🇲 Micronesia · Micronesia · Island71
  1. 72Jan
  2. 77Feb
  3. 73Mar
  4. 73Apr
  5. 67May
  6. 69Jun
  7. 68Jul
  8. 71Aug
  9. 65Sep
  10. 69Oct
  11. 66Nov
  12. 63Dec

#5 of 12 months in Chuuk · #911 of 1413 destinations to visit in August · comfort 71/100 (tier B)

Days
31°C
Nights
26°C
Wet days
19
Sun
9.7 h
Humidity
81%
Daylight
12 h
Chuuk, Micronesia
Photo: Aotearoa at Polish Wikipedia · Public domain

Traveller notes on Chuuk in August

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 ↗

Other months in Chuuk

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 — August

Daytime high31°C / 88°F🔥 sweltering
Nighttime low26°C / 78°F
Feels like (high)37°C / 99°F
Sea temperature30°C / 85°F♨️ bath-warm
Rainfall302 mm / 11.9 in⛈ soaked
Rainy days19 days
Humidity81%💦 very humid
Dew point26°C / 78°F
Sunshine9.7 h/day
Daylight12.4 h
Wind20 km/h / 12 mph
Air quality (US AQI)22🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Chuuk in August

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 seasonschool holidays in 2 of the markets that fill it, an 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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What's on in Chuuk in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Hazard

    Tropical storm months

    1 Jul – 30 Nov · usuallyTyphoon season

    Chuuk sits below the main typhoon track but under the convergence zone, so systems form nearby from mid-year and pass close. It rarely means a hit; it does mean cancelled flights and a week of chop on the lagoon. Source ↗

What's on around the world in August →

Where is Chuuk?

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Chuuk in August — FAQ

Is August a good time to visit Chuuk?
August in Chuuk: sweltering, soaked, with clean air — fine if you can take 19 rainy days. It ranks #5 of 12 months for Chuuk on SeasonMap's comfort score (71/100).
What is the weather like in Chuuk in August?
In August, Chuuk averages a daily high of 31.1°C and a low of 25.6°C, with about 301.9 mm of rain over roughly 19.1 rainy days.
What is the air quality in Chuuk in August?
Chuuk has a mean US Air Quality Index of about 22 in August.