When To Go · Destination Guide
Volcanic critter diving on St. Vincent, turtle-filled Grenadine reefs on day-trip range
Updated Mar 26, 2026 • 19 sources
When to go
St.
Best overall window
Drier weather, easier crossings, water around 27°C, and the strongest allround dive and snorkel planning
Outside that window
Atlantic hurricane season, stronger tradewind swings near 20 km/h to 35 km/h, and rougher interisland crossings
Start with the overall answer, then switch only when scuba, freedive, snorkel, or topside timing changes the trip in a meaningful way.
The overall row stays visible so you can compare it against the currently selected scope.
| Scope | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall | Overall - Jan: Best | Overall - Feb: Best | Overall - Mar: Best | Overall - Apr: Best | Overall - May: Good | Overall - Jun: Tradeoffs | Overall - Jul: Tradeoffs | Overall - Aug: Tradeoffs | Overall - Sep: Tradeoffs | Overall - Oct: Tradeoffs | Overall - Nov: Good | Overall - Dec: Best |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Baradal Turtle Encounters
Best for Snorkel, Scuba, Freedive
Year-round
Green and hawksbill turtles are a major draw in the Baradal Turtle Sanctuary, especially on Tobago Cays snorkel and mixed divecharter days.
Sea Turtle Nesting on St. Vincent
Best for Topside, Snorkel
Mar to Jul
Spring into early summer is the best period to think about turtle nesting beaches and conservationsensitive coastline on St.
Peak Reef Clarity
Best for Scuba, Snorkel, Freedive
Dec to May
Divers and snorkelers usually find the easiest visibility and smoothest boat planning during the drier months, with visibility on strong days reaching about 30 m.
St. Vincent Parrot Watching
Best for Topside
Year-round
Birders can walk the Vermont Nature Trail yearround for a chance to see or hear the St.
Bequia Easter Regatta Energy
Best for Topside, Snorkel
Mar to Apr
Bequia's worldfamous Easter Regatta adds sailing atmosphere, busier harbor energy, and a lively reason to pair water days with a short island hop.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.