Best Time to Dive Bermuda
Across 7 Bermuda dive sites with multi-year conditions history, July historically shows the most favorable days — 78% of sampled days in the good band. The next-highest months are June (60%), August (59%) and September (46%). March historically shows the fewest favorable days (2% of sampled days). Average water temperature in the sample runs from about 20°C in March to 29°C in August. Typical seas range from 1.2 m to 3.2 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 Bermuda?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 10% | 21°C | 3.2 m |
| Feb | 2% | 20°C | 3.1 m |
| Mar | 2% | 20°C | 3.1 m |
| Apr | 29% | 20°C | 2.1 m |
| May | 39% | 22°C | 1.7 m |
| Jun | 60% | 25°C | 1.4 m |
| Jul | 78% | 28°C | 1.2 m |
| Aug | 59% | 29°C | 1.8 m |
| Sep | 46% | 28°C | 2.0 m |
| Oct | 9% | 26°C | 2.8 m |
| Nov | 11% | 24°C | 2.7 m |
| Dec | 4% | 22°C | 2.8 m |
% = share of sampled days scoring in the favorable band, median across 7 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 US & Canada — Atlantic coast region — not site-specific promises.
- Scalloped hammerheadAugust
- Great white sharkAug–Sep
- Giant oceanic manta rayJul–Sep
- OrcaMay–Aug
- Humpback whaleJun–Aug
Bars are Jan–Dec — months when sightings historically concentrate (GBIF occurrence records). Wildlife is never guaranteed.
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