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Best Time to Dive Vanuatu

Across 9 Vanuatu dive sites with multi-year conditions history, December historically shows the most favorable days — 95% of sampled days in the good band. The next-highest months are January (91%), March (87%) and April (87%). September historically shows the fewest favorable days (52% of sampled days). Average water temperature in the sample runs from about 27°C in August to 30°C in February. Typical seas range from 0.9 m to 1.3 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 Vanuatu?

MonthHistorically favorable daysWater tempTypical seas
Jan91%30°C0.9 m
Feb78%30°C1.2 m
Mar87%29°C1.1 m
Apr87%29°C0.9 m
May59%28°C1.3 m
Jun69%28°C1.1 m
Jul59%27°C1.3 m
Aug53%27°C1.3 m
Sep52%27°C1.3 m
Oct72%27°C1.1 m
Nov83%28°C1.0 m
Dec95%29°C0.9 m

% = share of sampled days scoring in the favorable band, median across 9 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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