How warm is the US Virgin Islands in August?

Typical highs are about 84°F and the sea is about 85°F. That is warm enough for long swims without a wetsuit.

Is August hurricane season in the US Virgin Islands?

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

How crowded is the US Virgin Islands in August?

Typically moderate, around Mexico summer vacation and US summer school break. The quietest months are usually September and October.

The US Virgin Islands in August

August is one of the weakest months for a beach trip to the US Virgin Islands: a typical day grades B+, the 10th best of the 12 months. Expect highs near 84°F, water around 85°F and about a 50% chance of rain on a given day. Beaches are typically moderate (Mexico summer vacation and US summer school break). It is hurricane season, with moderate storm risk.

Typical dayB+10th of 12 months

Highs / water84°FSea 85°F

Rain chance50%on a given day

Waves4.2 fttypical

CrowdsModerateMexico summer vacation

Storm riskModeratehurricane season

The US Virgin Islands month by month

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

July: B+ · August: B+ · September: A-. The best months are usually April, May and June, and the weakest are February and November.

Best beaches in the US Virgin Islands in August

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

Beach	Typical Aug	This week
Frederiksted Beach Resorts	A-	SatA-SunBMonA-TueA-WedB+
Sand Castle on the Beach	A-	SatA-SunBMonA-TueA-WedB+
The Westin St. John Resort	B+	SatA-SunA-MonA-TueA-WedA-
Caneel Bay / North Shore St. John Beaches	B+	SatA-SunA-MonA-TueA-WedA-
The Westin Beach Resort & Spa at Frenchman's Reef	B+	SatA-SunA-MonATueA-WedA
Virgin Islands Camp Ground	B+	SatB+SunA-MonA-TueA-WedA-
Mango Mojo Villa	B+	SatA-SunA-MonA-TueA-WedA-
Carib Beach Resort	B+	SatB+SunA-MonA-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 August

Further afield: Oʻahu (A), Maui (A) and Kauaʻi (A-). Every destination in August.

Questions

Is August a good time to visit the US Virgin Islands?: August is one of the weakest months for a beach trip to the US Virgin Islands: a typical day grades B+, the 10th best of the 12 months. Expect highs near 84°F, water around 85°F and about a 50% chance of rain on a given day. Beaches are typically moderate (Mexico summer vacation and US summer school break). It is hurricane season, with moderate storm risk.
How warm is the US Virgin Islands in August?: Typical highs are about 84°F and the sea is about 85°F. That is warm enough for long swims without a wetsuit.
Is August hurricane season in the US Virgin Islands?: August falls in the tropical storm season; the typical risk on a given day is moderate. It peaks in September. Travel insurance and flexible bookings help.
How crowded is the US Virgin Islands in August?: Typically moderate, around Mexico summer vacation and US summer school break. The quietest months are usually September and October.

Plan it

U.S. Virgin 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 24 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.