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Best time to visit St. Thomas, Caribbean, US Virgin Islands

Our verdict

The best time to visit St. Thomas is April-June

St. Thomas can be visited year-round, but based on the ideal climate conditions, cost of travel, and avoiding peak holiday periods, April-June is the best time to go.

The very hottest temperatures in St. Thomas get to around 29℃ (85℉) in the height of summer. In the colder months such as March, temperatures usually get down to an average minimum of 24℃ (76℉).

If you’re keen to work on your tan in St. Thomas, you’re most likely get the longest days between sun-up and sun-down around July. You don’t want to get wet on your holiday, do you? Well if you’re trying to avoid the rain, then steer clear of St. Thomas in September. Head over there in February instead if you want to increase your chances of not being rained on.

Learn more about when to travel to St. Thomas, the monthly weather breakdown, FAQs and much more below. Once you’ve decided when you want to go, use our handy tools to find the best prices to suit your budget on flights, transport/transfers, places to stay, and loads more!

Warmest month

August

Least rainfall

February

Most daylight

July

St. Thomas seasons

Before you continue, it’s important to know when the seasons are in St. Thomas as they might be different to yours depending on where in the world you’re travelling from. St. Thomas is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in St. Thomas

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in St. Thomas for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

St. Thomas climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in St. Thomas for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

St. Thomas in January

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 26℃ (79℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 75%
  • Average sunny days: 5 days
  • Average rainfall: 39mm (2") over 21 days
5 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to St. Thomas in January, make sure you pack t-shirts and light clothing.


St. Thomas in February

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 26℃ (79℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 75%
  • Average sunny days: 6 days
  • Average rainfall: 31mm (1") over 18 days
6 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to St. Thomas in February, make sure you pack t-shirts and light clothing.


St. Thomas in March

  • Average temperature: 26℃ (78℉)
  • Average high temperature: 26℃ (79℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 75%
  • Average sunny days: 7 days
  • Average rainfall: 47mm (2") over 18 days
7 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to St. Thomas in March, make sure you pack t-shirts and light clothing.


St. Thomas in April

  • Average temperature: 26℃ (79℉)
  • Average high temperature: 27℃ (80℉)
  • Average low temperature: 25℃ (77℉)
  • Average humidity: 76%
  • Average sunny days: 7 days
  • Average rainfall: 38mm (2") over 18 days
7 days
of pure sunshine
18 days
of showers or rain

What to pack: If you’re heading to St. Thomas in April, make sure you pack t-shirts and light clothing.


St. Thomas in May

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 26℃ (78℉)
  • Average humidity: 78%
  • Average sunny days: 5 days
  • Average rainfall: 77mm (3") over 21 days
5 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to St. Thomas in May, make sure you pack t-shirts and light clothing.


St. Thomas in June

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 27℃ (81℉)
  • Average humidity: 79%
  • Average sunny days: 6 days
  • Average rainfall: 50mm (2") over 17 days
6 days
of pure sunshine
17 days
of showers or rain

What to pack: If you’re heading to St. Thomas in June, make sure you pack t-shirts and light clothing.


St. Thomas in July

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 27℃ (81℉)
  • Average humidity: 78%
  • Average sunny days: 5 days
  • Average rainfall: 68mm (3") over 21 days
5 days
of pure sunshine
21 days
of showers or rain

What to pack: If you’re heading to St. Thomas in July, make sure you pack t-shirts and light clothing.


St. Thomas in August

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 78%
  • Average sunny days: 4 days
  • Average rainfall: 101mm (4") over 22 days
4 days
of pure sunshine
22 days
of showers or rain

What to pack: If you’re heading to St. Thomas in August, make sure you pack t-shirts and light clothing.


St. Thomas in September

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 76%
  • Average sunny days: 5 days
  • Average rainfall: 113mm (4") over 22 days
5 days
of pure sunshine
22 days
of showers or rain

What to pack: If you’re heading to St. Thomas in September, make sure you pack t-shirts and light clothing.

St. Thomas in October

  • Average temperature: 28℃ (83℉)
  • Average high temperature: 29℃ (84℉)
  • Average low temperature: 28℃ (82℉)
  • Average humidity: 75%
  • Average sunny days: 4 days
  • Average rainfall: 111mm (4") over 24 days
4 days
of pure sunshine
24 days
of showers or rain

What to pack: If you’re heading to St. Thomas in October, make sure you pack t-shirts and light clothing.


St. Thomas in November

  • Average temperature: 28℃ (82℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 27℃ (80℉)
  • Average humidity: 75%
  • Average sunny days: 2 days
  • Average rainfall: 104mm (4") over 25 days
2 days
of pure sunshine
25 days
of showers or rain

What to pack: If you’re heading to St. Thomas in November, make sure you pack t-shirts and light clothing.


St. Thomas in December

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 27℃ (81℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 75%
  • Average sunny days: 4 days
  • Average rainfall: 52mm (2") over 23 days
4 days
of pure sunshine
23 days
of showers or rain

What to pack: If you’re heading to St. Thomas in December, make sure you pack t-shirts and light clothing.


Top FAQs

The hottest month of the year in St. Thomas is usually August, where temperatures tend to rise to around 29℃ (84℉) in the middle of the day or early afternoon.
The month with the least amount of rain in St. Thomas is generally around February. The dry season often coincides with cooler weather, so you should check the temperatures in February first to make sure it’s still a good time to go.
The rainiest time of year in St. Thomas is generally around September, although the wetter season can sometimes extend a few months either side of September too.
If you want to get the most out of your time visiting St. Thomas, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

St. Thomas map

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