Our verdict
The best time to visit St. Thomas is April-June
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!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
*Support us by clicking the links above and making a booking with our partners. It's completely free for you, and it helps us make this site even more awesome! We'll <3 you for it.
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:
| Season | Months |
|---|---|
| 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:
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >
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
of pure sunshine
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.
Add visitor or local insider tips >