Our verdict
The best time to visit St. Croix is April-June
The very hottest temperatures in St. Croix 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 25℃ (77℉).
If you’re keen to work on your tan in St. Croix, 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. Croix 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. Croix, 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
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St. Croix seasons
Before you continue, it’s important to know when the seasons are in St. Croix as they might be different to yours depending on where in the world you’re travelling from. St. Croix 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. Croix
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. Croix 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. Croix 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. Croix 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. Croix in January
- Average temperature: 26℃ (79℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 26℃ (78℉)
- Average humidity: 75%
- Average sunny days: 6 days
- Average rainfall: 35mm (1") over 20 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in January, make sure you pack t-shirts and light clothing.
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St. Croix in February
- Average temperature: 26℃ (79℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 25℃ (77℉)
- Average humidity: 75%
- Average sunny days: 7 days
- Average rainfall: 30mm (1") over 17 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in February, make sure you pack t-shirts and light clothing.
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St. Croix in March
- Average temperature: 26℃ (78℉)
- Average high temperature: 26℃ (79℉)
- Average low temperature: 25℃ (77℉)
- Average humidity: 75%
- Average sunny days: 8 days
- Average rainfall: 39mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in March, make sure you pack t-shirts and light clothing.
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St. Croix in April
- Average temperature: 26℃ (79℉)
- Average high temperature: 27℃ (80℉)
- Average low temperature: 26℃ (78℉)
- Average humidity: 76%
- Average sunny days: 6 days
- Average rainfall: 33mm (1") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in April, make sure you pack t-shirts and light clothing.
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St. Croix in May
- Average temperature: 27℃ (81℉)
- Average high temperature: 28℃ (82℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 78%
- Average sunny days: 5 days
- Average rainfall: 69mm (3") over 22 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in May, make sure you pack t-shirts and light clothing.
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St. Croix in June
- Average temperature: 28℃ (82℉)
- Average high temperature: 28℃ (83℉)
- Average low temperature: 27℃ (81℉)
- Average humidity: 78%
- Average sunny days: 5 days
- Average rainfall: 48mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in June, make sure you pack t-shirts and light clothing.
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St. Croix in July
- Average temperature: 28℃ (83℉)
- Average high temperature: 29℃ (83℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 78%
- Average sunny days: 3 days
- Average rainfall: 58mm (2") over 22 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in July, make sure you pack t-shirts and light clothing.
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St. Croix in August
- Average temperature: 29℃ (83℉)
- Average high temperature: 29℃ (84℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 78%
- Average sunny days: 2 days
- Average rainfall: 96mm (4") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in August, make sure you pack t-shirts and light clothing.
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St. Croix in September
- Average temperature: 29℃ (83℉)
- Average high temperature: 29℃ (84℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 76%
- Average sunny days: 4 days
- Average rainfall: 104mm (4") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in September, make sure you pack t-shirts and light clothing.
St. Croix in October
- Average temperature: 28℃ (83℉)
- Average high temperature: 29℃ (84℉)
- Average low temperature: 28℃ (82℉)
- Average humidity: 76%
- Average sunny days: 5 days
- Average rainfall: 88mm (3") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in October, make sure you pack t-shirts and light clothing.
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St. Croix in November
- Average temperature: 28℃ (82℉)
- Average high temperature: 28℃ (83℉)
- Average low temperature: 27℃ (81℉)
- Average humidity: 76%
- Average sunny days: 3 days
- Average rainfall: 81mm (3") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in November, make sure you pack t-shirts and light clothing.
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St. Croix 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: 50mm (2") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to St. Croix in December, make sure you pack t-shirts and light clothing.
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