Best Time to Dive Mahé
Across 4 Mahé dive sites with multi-year conditions history, March historically shows the most favorable days — 100% of sampled days in the good band. July historically shows the fewest favorable days (26% of sampled days). Average water temperature in the sample runs from about 26°C in August to 30°C in April. Typical seas range from 0.7 m to 1.6 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.
Month by month
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 85% | 29°C | 1.1 m |
| Feb | 94% | 29°C | 1.0 m |
| Mar | 100% | 30°C | 0.7 m |
| Apr | 98% | 30°C | 0.7 m |
| May | 82% | 30°C | 1.1 m |
| Jun | 60% | 28°C | 1.4 m |
| Jul | 26% | 27°C | 1.6 m |
| Aug | 37% | 26°C | 1.5 m |
| Sep | 39% | 27°C | 1.5 m |
| Oct | 89% | 28°C | 1.1 m |
| Nov | 99% | 29°C | 0.8 m |
| Dec | 86% | 29°C | 1.1 m |
% = share of sampled days scoring in the favorable band, median across 4 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.
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