How warm is St. Lucia, St. Vincent & Grenada in May?

Typical highs are about 85°F and the sea is about 83°F. That is warm enough for long swims without a wetsuit.

Is there sargassum in St. Lucia, St. Vincent & Grenada in May?

In a typical year seaweed is low in May. It is usually lightest in May and June and heaviest in August and September. Landings vary a lot by year, wind and currents; Veabird's weekly sargassum report and each beach's page have the current forecast.

Is May hurricane season in St. Lucia, St. Vincent & Grenada?

No. Storm risk is very low in May.

How crowded is St. Lucia, St. Vincent & Grenada in May?

Typically busy, around Memorial Day weekend. The quietest months are usually September and October.

St. Lucia, St. Vincent & Grenada in May

May is one of the best months to visit St. Lucia, St. Vincent & Grenada: a typical day grades B+, the 1st best of the 12 months. Expect highs near 85°F, water around 83°F and about a 43% chance of rain on a given day. Sargassum (seaweed) is usually low in May. Beaches are typically busy (Memorial Day weekend).

Typical dayB+1st of 12 months

Highs / water85°FSea 83°F

Rain chance43%on a given day

SeaweedLowtypical year

CrowdsBusyMemorial Day weekend

Storm riskVery lowoutside storm season

St. Lucia, St. Vincent & Grenada month by month

Typical grade and high for each month. Higher is better: A+ to F.

April: B+ · May: B+ · June: B+. The best months are usually April, May and October, and the weakest are July and August.

Best beaches in St. Lucia, St. Vincent & Grenada in May

Resorts with the best typical May, and their grades for the next few days.

Beach	Typical May	Seaweed	This week
Beaches Resort Saint Vincent	A-	Very low	SatA-SunBMonB-TueB+WedA-
Palm Island Resort & Spa	A-	Very low	SatBSunB+MonB-TueA-WedA
Soho Beach House Canouan	A-	Very low	SatB+SunBMonBTueA-WedA
Salt Whistle Bay Club Hotel	A-	Very low	SatBSunB+MonBTueA-WedA
Point Bay Resort	A-	Very low	SatBSunC+MonC+TueBWedB+
Saya Villas	A-	Very low	SatBSunB+MonBTueA-WedA
David's Beach Hotel	A-	Very low	SatBSunB+MonB-TueA-WedA-
Clifton Beach Hotel	A-	Very low	SatBSunB+MonB-TueA-WedA

Grades for the next few days from Veabird's beach forecast, updated Oct 3, 18:00 UTC. Higher is better: A+ to F.

Better beach options in May

Elsewhere in the Caribbean, Cuba's Cays (A-), the Bahamas (A-) and Turks & Caicos (A-) usually grade higher in May. Further afield: Puerto Vallarta (A), Los Cabos (A) and Maui (A). Every destination in May.

Questions

Is May a good time to visit St. Lucia, St. Vincent & Grenada?: May is one of the best months to visit St. Lucia, St. Vincent & Grenada: a typical day grades B+, the 1st best of the 12 months. Expect highs near 85°F, water around 83°F and about a 43% chance of rain on a given day. Sargassum (seaweed) is usually low in May. Beaches are typically busy (Memorial Day weekend).
How warm is St. Lucia, St. Vincent & Grenada in May?: Typical highs are about 85°F and the sea is about 83°F. That is warm enough for long swims without a wetsuit.
Is there sargassum in St. Lucia, St. Vincent & Grenada in May?: In a typical year seaweed is low in May. It is usually lightest in May and June and heaviest in August and September. Landings vary a lot by year, wind and currents; Veabird's weekly sargassum report and each beach's page have the current forecast.
Is May hurricane season in St. Lucia, St. Vincent & Grenada?: No. Storm risk is very low in May.
How crowded is St. Lucia, St. Vincent & Grenada in May?: Typically busy, around Memorial Day weekend. The quietest months are usually September and October.

Plan it

Windward Islands: this week's forecast, beach by beach
Caribbean Beach Report: this week, updated every Monday
Compare dates and beaches on the map

Typical-month numbers from Veabird's year-ahead outlook for the 66 resorts here (median resort): 6 years of ERA5 climate normals, the seasonal pattern of the Atlantic sargassum belt, holiday crowd calendars and historical storm tracks. Any given year can differ; check the 16-day forecast before you go.