Best Time to Dive Khanh Hoa (Nha Trang)
Across 5 Khanh Hoa (Nha Trang) dive sites with multi-year conditions history, May historically shows the most favorable days — 91% 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 | 9% | 25°C | 2.5 m |
| Feb | 36% | 25°C | 1.9 m |
| Mar | 57% | 26°C | 1.4 m |
| Apr | 90% | 28°C | 0.8 m |
| May | 91% | 30°C | 0.8 m |
| Jun | 77% | 29°C | 0.8 m |
| Jul | 54% | 28°C | 1.0 m |
| Aug | 70% | 27°C | 0.9 m |
| Sep | 79% | 30°C | 0.9 m |
| Oct | 65% | 29°C | 1.2 m |
| Nov | 26% | 27°C | 2.2 m |
| Dec | 8% | 26°C | 2.4 m |
% = share of sampled days scoring in the favorable band, median across 5 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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