Best Time to Dive Santa Catarina
Across 1 Santa Catarina dive sites with multi-year conditions history, January, February, May and June historically show the most favorable days — 100% of sampled days in the good band.
Computed from our own conditions climatology — measured history, not brochure copy. Historical patterns, never a forecast or a guarantee.
Month by month
| Month | Historically favorable days | Water temp | Typical seas |
|---|---|---|---|
| Jan | 100% | 27°C | 0.6 m |
| Feb | 100% | 28°C | 0.5 m |
| Mar | 99% | 27°C | 0.6 m |
| Apr | 99% | 25°C | 0.6 m |
| May | 100% | 23°C | 0.6 m |
| Jun | 100% | 20°C | 0.5 m |
| Jul | 99% | 18°C | 0.6 m |
| Aug | 97% | 18°C | 0.6 m |
| Sep | 98% | 20°C | 0.7 m |
| Oct | 97% | 21°C | 0.8 m |
| Nov | 96% | 23°C | 0.7 m |
| Dec | 98% | 26°C | 0.6 m |
% = share of sampled days scoring in the favorable band, median across 1 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 Brazil & South Atlantic region — not site-specific promises.
- Green sea turtleJuly
- Humpback whaleJun–Sep
Bars are Jan–Dec — months when sightings historically concentrate (GBIF occurrence records). Wildlife is never guaranteed.
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