When To Go · Country Guide
Volcanic macro, turtle-rich cays, and one-passport island hopping in the Southern Caribbean
Updated Mar 27, 2026 • 16 sources
When to go
For most travelers, the easiest planning window is December through May.
Best overall window
Drier weather, easier island hops, warm sea around 26°C to 28°C
Outside that window
Wettest stretch, higher storm risk, bumpier outerisland transfers, gustier tradewind days 20 km/h to 35 km/h
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: Best | Overall - Jun: Good | Overall - Jul: Good | Overall - Aug: Tradeoffs | Overall - Sep: Tradeoffs | Overall - Oct: Tradeoffs | Overall - Nov: Tradeoffs | Overall - Dec: Best |
These do not replace the overall planner. Use them only if a specific animal or event is driving your trip dates.
Green turtle snorkeling in Tobago Cays
Best for Snorkel, Freedive, Topside
Year-round
The Tobago Cays turtle reserve is the country's signature wildlifeinthewater experience.
Whale and dolphin watching offshore
Best for Topside, Snorkel
Dec to Apr
Official tourism guidance points to December through April as the best time for whale and dolphin watching, though sightings can happen at other times.
Sea turtle nesting and monitoring season
Best for Topside, Snorkel
Apr to Nov
Community monitoring programs protect leatherback, hawksbill, and green turtle nesting beaches during the national nesting season.
Bequia Easter Regatta period
Best for Topside
Mar to Apr
LateMarch or April travel can overlap with Bequia's regatta energy, which changes hotel demand and adds a lively sailing atmosphere to the island.
Mayreau Regatta and spring island events
Best for Topside
Apr to May
Mayreau's regatta season and Easteradjacent events across the Grenadines can make a spring trip feel more social and maritime, especially if you are moving by boat.
Built from climate references, access rules, and destination operators. Wildlife timing and route flexibility can shift year to year.