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

Typical highs are about 86°F and the sea is about 86°F. That is warm enough for long swims without a wetsuit.

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

In a typical year seaweed is low in October. 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 October hurricane season in St. Lucia, St. Vincent & Grenada?

October falls in the tropical storm season; the typical risk on a given day is low. It peaks in September. Travel insurance and flexible bookings help.

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

Typically moderate. The quietest months are usually September and October.

St. Lucia, St. Vincent & Grenada in October

October is one of the best months to visit St. Lucia, St. Vincent & Grenada: a typical day grades B+, the 2nd best of the 12 months. Expect highs near 86°F, water around 86°F and about a 61% chance of rain on a given day. Sargassum (seaweed) is usually low in October. Beaches are typically moderate.

Typical dayB+2nd of 12 months

Highs / water86°FSea 86°F

Rain chance61%on a given day

SeaweedLowtypical year

CrowdsModerateno big holidays

Storm riskLowhurricane season

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

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

September: B+ · October: B+ · November: 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 October

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

Beach	Typical Oct	Seaweed	This week
Beaches Resort Saint Vincent	A-	Very low	SatA-SunBMonB-TueB+WedA-
Harmony Suites	A-	Very low	SatBSunCMonCTueB-WedB
Marigot Beach Club	A-	Very low	SatB-SunC+MonC+TueB-WedB
Hummingbird Resort	A-	Low	SatB-SunCMonCTueCWedB-
Ti Kaye Resort & Spa	A-	Low	SatB-SunCMonCTueCWedC+
Sugar Beach, A Viceroy Resort	B+	Low	SatBSunC+MonCTueB-WedB-
Jade Mountain / Anse Chastanet	B+	Low	SatC+SunCMonCTueCWedC+
Spice Island Beach Resort	B+	Low	SatB-SunBMonB-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 October

Further afield: Maui (A), Oʻahu (A) and Los Cabos (A). Every destination in October.

Questions

Is October a good time to visit St. Lucia, St. Vincent & Grenada?: October is one of the best months to visit St. Lucia, St. Vincent & Grenada: a typical day grades B+, the 2nd best of the 12 months. Expect highs near 86°F, water around 86°F and about a 61% chance of rain on a given day. Sargassum (seaweed) is usually low in October. Beaches are typically moderate.
How warm is St. Lucia, St. Vincent & Grenada in October?: Typical highs are about 86°F and the sea is about 86°F. That is warm enough for long swims without a wetsuit.
Is there sargassum in St. Lucia, St. Vincent & Grenada in October?: In a typical year seaweed is low in October. 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 October hurricane season in St. Lucia, St. Vincent & Grenada?: October falls in the tropical storm season; the typical risk on a given day is low. It peaks in September. Travel insurance and flexible bookings help.
How crowded is St. Lucia, St. Vincent & Grenada in October?: Typically moderate. 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.