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St. Thomas Weather in October: Rain, Temperatures

St. Thomas weather in October
Average high temperature and rainfall for St. Thomas in October. © 2021 Scott S. Bateman

Don’t expect St. Thomas weather in October to deliver days of sunshine and clear skies. The odds are good that it won’t.

This crown jewel of the U.S. Virgin Islands is a hugely popular stop for eastern Caribbean cruises.

It is especially popular because it has one of the largest duty-free shopping zones in the region.

But rainy October days will make shopping, sunning on the beach and taking part in various water sports quite a bit less fun.

The following St. Thomas climate averages are based on a 30-year history. Actual results will vary from one year to the next.


October Weather Stats

Avg. High
89 degrees F
Avg. Low
77 degrees F
Rain Inches

October is one of the worst months of the Caribbean hurricane season, which runs from June 1 through Nov. 30.

Tropical storm and hurricane activity usually peak for many destinations in either September, October or November.

In the case of St. Thomas, the rainfall is pretty much the same for all three months with an average of nearly 5.5 inches a month.

By comparison, the island receives less than two inches in January through March.

St. Thomas travel guide | Cruise port tips | Shore excursions | Best beaches

Temperatures in October

This video explains Caribbean weather in October and which islands are the best and worst to visit for weather.

Full-Screen Version | YouTube Caribbean Channel
Anyone lucky enough to go there in the fall will at least be able to experience warm weather.

The average high temperature for St. Thomas in October is 89 degrees Fahrenheit or nearly 32 Celsius, which is in line with most other months from spring through fall.

The average low temperature is about about 77 degrees Fahrenheit or 25 Celsius. The average low usually takes place at night.

Sea water is usually still comfortable for swimming throughout the fall.

• St. Thomas weather in January, February, March, April, May, June, July, August, September, October, November, December

Whether to Go

An average of 5.5 inches of rain in October is actually not as bad as quite a few other destinations.

Some of them receive as much as 10 inches or more in October. But it’s obvious that most other months from December through August have much lower rainfall.

For anyone determined to take a vacation in the Caribbean in October, one of the best ways to go is via a last-minute vacation.

A last-minute vacation means an opportunity to book airline tickets and hotel rooms that are discounted more than normal because of low demand or other reasons.

If such discounts exist, the next step is looking at the Caribbean weather forecast for the coming days.

It also is wise to look at weather charts for the eastern Atlantic to see what weather conditions are forming because it is there that storms and hurricanes usually have their start.

Scott S. Bateman is a professional journalist who has traveled widely throughout the Caribbean and the Americas. He is the author of four books about cruising in the Caribbean, Alaska and Mexican Riviera.
September 22, 2021

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