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US Virgin Islands · Caribbean · northern hemisphere
St. John is at its best for swimming in January to April. Good but not prime in May, June, July and December.
| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Swimming | 90 | 89 | 91 | 91 | 68 | 68 | 66 | 46 | 33 | 38 | 51 | 67 |
| Lakes & Coastline | 89 | 89 | 91 | 90 | 68 | 68 | 66 | 46 | 35 | 38 | 49 | 66 |
| Hiking | 89 | 90 | 91 | 67 | 25 | 23 | 21 | 12 | 4 | 7 | 42 | 67 |
No reliable monthly crowd data for this destination — the proxy used elsewhere did not pass its checks here, so nothing is shown rather than a guess.
Swipe the table sideways for the rest of the year.
Nearly three-fifths of the island is national park, which is why it looks different from everywhere else in the Virgin Islands — no high-rises, and beaches that end in forest rather than concrete. January to March is the year’s best window
Short shaded park trails, humid but easy. No guide needed.
Mid-August to mid-October. This is the peak of hurricane season here, many places close outright, and it is the one stretch where a booked trip can simply not happen.
Christmas and New Year, then steadily through to April, with March the peak
Trunk and Cinnamon Bay are calm and shallow and about as easy as the Caribbean gets. Access is by ferry from St. Thomas, which adds a leg to every arrival.
Cruz Bay is where the ferry lands and where the prices are. Small villas up the hill or out toward Coral Bay cost less and put you nearer the quiet beaches.
September and October are the peak. Many places close outright, and this is the one stretch where a booked trip can simply not happen.Jun · Jul · Aug · Sep · Oct · Nov
Kept out of the score on purpose. Averaging a rare catastrophe into a monthly number would tell you something false; the warning is the honest form.
The national park maintains the trails and they are genuinely good — short, humid, and mostly forested, which is a relief this far south.