Weather St John

What is best month to go to St John USVI?

Odds are you’re going to have plenty of sun and fun on St Johns beaches, so cheers to that!
Regardless, you are probably curious about what the weather will be like on your trip to St John. The best month to go to St John really depends on what you are looking for, like hiking in refreshing breezes or basking in the sun and warm waters of St John USVI beaches.

Weather in St John USVI is outlined below.

Winds

Winter 15-25 mph;
Summer 5-25 mph.

UV Index

Winter 8-13;
Summer 11-13+.

Water temperature

Winter is 78-80 degrees Fahrenheit;
Summer 80-84 degrees.

Outdoor temperature for St John’s Virgin Islands weather

Winter Low to High is 70-85 degrees Fahrenheit;
Summer Low to High is 80-93.

Air Quality

It’s always a good rating for air quality in St. John USVI.

Average Weather in St John Virgin Islands by Month

As you can see temperatures year round are pretty perfect for a St John vacation any time!

See the 10 day Forecast for St John USVI.

Storms and Rainy Season in St John

Winter is very dry;
Summer/Fall showers can be expected. Storm forecasts

St John island weather tends pretty DRY

USVI has no defined wet season: being generally driest from January to June; overall wettest time of the year typically is from July to November. A key point that villas may likely ask is to conserve water when showering, dish washing, etc. because most depend on rain for water supply to the villa. The island frequently experiences drought in the busiest time of the year. Rainfall is often times as a shower of less than a few tenths of an inch, usually brief, maybe intense, but still never seems to be enough to keep enough supply in cisterns! Summer months are typically when showers and storms are most common.

Hurricane Season on St John USVI

Hurricane Season is June 1 to November 1.

The National Hurricane Center will provide the most comprehensive info on the track and timing of an impending storm or Hurricane in the Atlantic. 

The Port Authority provides updates in case ferries get shut down due to weather. 

Cell phone apps apps using the search term “Hurricane Tracker” can be very helpful.

On Facebook, search for “St John VI Weather” for regular updates on hurricane or tropical storm conditions in St John VI.

Intensity of the projected storm as it passes near or over the island will depend on the distance of the eye of the storm from the island. Hurricane-force winds extend outward up to 25 miles (35 km) from the center. Tropical Storm-force winds extend outward up to 115 miles (185 km). So if the eye of a hurricane passes more than 100 miles from the island, we may get rain, or nothing at all.

Strength of storm winds begin at 55 mph. Hurricane-force winds begin at at least 73 mph.

If you are interested, you can read more about the stages of tropical storm formation.

Local forecast for St John’s US Virgin Islands Weather

Click here for our weather from the National Weather Service

More St John Info:

Restaurants St John