Pohnpei weather in January
January in Pohnpei: hot, soaked, with clean air — fine if you can take 21 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Pohnpei · #821 of 1413 destinations to visit in January · comfort 66/100 (tier C)
- Days
- 29°C
- Nights
- 24°C
- Wet days
- 21
- Sun
- 9.9 h
- Humidity
- 80%
- Daylight
- 12 h

Traveller notes on Pohnpei in January
Other months in Pohnpei
Forum posters describing diving conditions across Micronesia note the final months of the year bring the rainier stretch with murkier underwater visibility, implying the mid-year months including August offer comparatively better diving conditions. Posters are direct more broadly that Pohnpei is a place where it rains essentially every day regardless of season, a defining feature of its consistently wet, tropical climate rather than something unique to any one month. Given the limited destination-specific detail for August exactly, this note leans on that broader pattern: expect warm, humid conditions with regular daily rain, but with underwater visibility and overall conditions trending better than the wetter final quarter of the year. Posters generally rate August as reliably rainy but among the better months for diving-focused visits to Pohnpei.
Forum posters describe Pohnpei bluntly as a place where it rains almost every single day, a direct consequence of the roughly 80% of the island covered in mountainous rainforest - genuinely one of the wettest inhabited places on Earth regardless of month. Posters consistently note that diving and boat tours can get rearranged around passing squalls, but that showers here tend to be heavy and brief rather than settling in for the whole day. Given how thin destination-specific monthly detail is on the forum, this note leans on that well-established year-round wet-tropical pattern: February sits within Pohnpei's relatively drier first-quarter stretch, but 'drier' here still means frequent rain is the norm, not the exception.
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Pohnpei climate normals — January
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Pohnpei in January
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 4 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Pohnpei'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 weatherPohnpei's weather doesn't swing hard through the year — comfort stays fairly steady in every month.
What's on in Pohnpei in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
North swell on the passes
1 Nov – 31 Mar · usuallySurf seasonBook earlyThe north-east trades push swell onto Palikir and the other reef passes through the northern winter, which is the only reason most visitors come. Boats and the handful of beds go on the forecast.
- Season
Wet season
MonsoonRisk21 rainy days and about 404 mm in the month — the real kind of rainy season, not afternoon showers.
from the climate normals
Where is Pohnpei?
Pohnpei in January — FAQ
- Is January a good time to visit Pohnpei?
- January in Pohnpei: hot, soaked, with clean air — fine if you can take 21 rainy days. It ranks #6 of 12 months for Pohnpei on SeasonMap's comfort score (66/100).
- What is the weather like in Pohnpei in January?
- In January, Pohnpei averages a daily high of 28.9°C and a low of 24°C, with about 403.6 mm of rain over roughly 21.3 rainy days.
- What is the air quality in Pohnpei in January?
- Pohnpei has a mean US Air Quality Index of about 49 in January.