Best Time to Dive Canada
Across 103 Canada dive sites with multi-year conditions history, July historically shows the most favorable days — 95% of sampled days in the good band. The next-highest months are September (94%), August (91%) and May (89%). February historically shows the fewest favorable days (62% of sampled days). Average water temperature in the sample runs from about 7°C in February to 15°C in August. Typical seas range from 0.2 m to 0.5 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 Canada?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 68% | 7°C | 0.5 m |
| Feb | 62% | 7°C | 0.5 m |
| Mar | 66% | 7°C | 0.4 m |
| Apr | 69% | 8°C | 0.4 m |
| May | 89% | 10°C | 0.3 m |
| Jun | 83% | 12°C | 0.3 m |
| Jul | 95% | 15°C | 0.2 m |
| Aug | 91% | 15°C | 0.3 m |
| Sep | 94% | 14°C | 0.3 m |
| Oct | 83% | 12°C | 0.4 m |
| Nov | 64% | 10°C | 0.5 m |
| Dec | 69% | 8°C | 0.5 m |
% = share of sampled days scoring in the favorable band, median across 103 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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