Best Time to Dive Kosrae
Across 3 Kosrae dive sites with multi-year conditions history, September historically shows the most favorable days — 97% of sampled days in the good band.
Computed from our own conditions climatology — measured history, not brochure copy. Historical patterns, never a forecast or a guarantee.
Month by month
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 1% | 29°C | 2.6 m |
| Feb | 1% | 29°C | 2.5 m |
| Mar | 11% | 29°C | 2.3 m |
| Apr | 10% | 29°C | 1.9 m |
| May | 35% | 29°C | 1.6 m |
| Jun | 61% | 30°C | 1.4 m |
| Jul | 74% | 30°C | 1.4 m |
| Aug | 88% | 30°C | 1.3 m |
| Sep | 97% | 30°C | 1.3 m |
| Oct | 70% | 30°C | 1.4 m |
| Nov | 36% | 30°C | 1.7 m |
| Dec | 2% | 30°C | 2.3 m |
% = share of sampled days scoring in the favorable band, median across 3 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.
- Whale sharkDec–Jan
- Scalloped hammerheadFeb–Mar
- Humpback whaleJul–Oct
- Reef manta rayJun–Sep
- Tiger sharkyear-round
- Bull sharkyear-round
- Green sea turtleyear-round
Bars are Jan–Dec — months when sightings historically concentrate (GBIF occurrence records). Wildlife is never guaranteed.
Diving Kosrae soon? Browse its dive sites with live 7-day windows — free, no account needed.
Choosing between destinations? Compare them month by month with the Trip PlannerPro