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Best Time to Dive Pohnpei

Across 3 Pohnpei dive sites with multi-year conditions history, September historically shows the most favorable days — 98% of sampled days in the good band. The next-highest months are August (92%), July (87%) and June (76%). February historically shows the fewest favorable days (0% of sampled days). Average water temperature in the sample runs from about 29°C in April to 30°C in September. Typical seas range from 1.1 m to 2.4 m of significant wave height through the year. These figures are historical climatology computed from measured conditions — patterns, not a forecast or a guarantee.

Computed from our own conditions climatology — measured history, not brochure copy.

Which months are historically most favorable in Pohnpei?

MonthHistorically favorable daysWater tempTypical seas
Jan4%29°C2.4 m
Feb0%29°C2.4 m
Mar12%29°C2.1 m
Apr19%29°C1.8 m
May44%29°C1.6 m
Jun76%30°C1.3 m
Jul87%30°C1.3 m
Aug92%30°C1.1 m
Sep98%30°C1.1 m
Oct71%30°C1.4 m
Nov37%30°C1.7 m
Dec4%29°C2.1 m

% = share of sampled days scoring in the favorable band, median across 3 dive sites with at least two years of history. Ringed = historical peak.

How does this compare worldwide? The Most Reliable Diving Months on Earth ranks 61 countries by the same measure.

Marine life seasons

Sighting patterns across the wider Micronesia & western Pacific region — not site-specific promises.

Bars are Jan–Dec — months when sightings historically concentrate (GBIF occurrence records). Wildlife is never guaranteed.

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