Best Time to Dive Miyako
Across 3 Miyako dive sites with multi-year conditions history, August historically shows the most favorable days — 72% of sampled days in the good band. The next-highest months are September (69%), June (63%) and May (56%). December historically shows the fewest favorable days (12% of sampled days). Average water temperature in the sample runs from about 23°C in February to 30°C in August. Typical seas range from 1.3 m to 2.5 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 Miyako?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 16% | 24°C | 2.4 m |
| Feb | 15% | 23°C | 2.3 m |
| Mar | 38% | 23°C | 2.0 m |
| Apr | 48% | 25°C | 1.5 m |
| May | 56% | 26°C | 1.6 m |
| Jun | 63% | 28°C | 1.3 m |
| Jul | 51% | 30°C | 1.8 m |
| Aug | 72% | 30°C | 1.5 m |
| Sep | 69% | 30°C | 1.4 m |
| Oct | 44% | 29°C | 2.1 m |
| Nov | 17% | 27°C | 2.5 m |
| Dec | 12% | 25°C | 2.5 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 Japan & East Asia region — not site-specific promises.
- Green sea turtleApr–Jun
Bars are Jan–Dec — months when sightings historically concentrate (GBIF occurrence records). Wildlife is never guaranteed.
Diving Miyako soon? Browse its dive sites with auto-updating 7-day condition windows — free, no account needed.
Choosing between destinations? Compare them month by month with the Trip PlannerPro