Best Time to Dive Boa Vista
Across 1 Boa Vista dive site with multi-year conditions history, August historically shows the most favorable days — 86% of sampled days in the good band. The next-highest months are July (85%), June (80%) and September (78%). March historically shows the fewest favorable days (12% of sampled days). Average water temperature in the sample runs from about 23°C in March to 28°C in October. Typical seas range from 1.3 m to 2.0 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 Boa Vista?
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 28% | 24°C | 1.9 m |
| Feb | 22% | 23°C | 1.9 m |
| Mar | 12% | 23°C | 2.0 m |
| Apr | 43% | 23°C | 1.7 m |
| May | 51% | 24°C | 1.6 m |
| Jun | 80% | 25°C | 1.4 m |
| Jul | 85% | 26°C | 1.3 m |
| Aug | 86% | 27°C | 1.3 m |
| Sep | 78% | 28°C | 1.4 m |
| Oct | 62% | 28°C | 1.6 m |
| Nov | 52% | 27°C | 1.7 m |
| Dec | 43% | 25°C | 1.7 m |
% = share of sampled days scoring in the favorable band, median across 1 dive site 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.
Diving Boa Vista 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