Best time to visit St Croix
The best time to visit St Croix is from January to April during the winter dry season, when temperatures average 25°C (77°F), with a high of 29°C (84°F) and a low of 23°C (73°F).
St Croix weather
St Croix has a hot tropical climate year-round with a winter dry season. You can expect high temperatures tempered by easterly trade winds, which blow more or less along the length of the island year-round.
St Croix has multiple ecosystems in a small geographic area. The eastern end of the island occupies a dry desert range with a substantial amount of cactus, while the western end has lush vegetation and palm trees.
You can expect rainfall throughout the year in Charlotte Amalie. The months with the least rainfall are January through March.
What is the best month to visit St Croix, USVI?
January, February and March are the best months to visit St Croix, since this is the driest time of year, with warm, sunny weather, mainly clear skies and good conditions for swimming.
December and April are also acceptable months, although with an increase in rainfall.
Which is the hottest month in St Croix?
The hottest time of year in St Croix is normally the months of July and August. Expect maximum daytime temperatures to reach 32°C (89°F) with high heat and humidity, and a low of 26°C (78°F).
The hot season lasts from mid-June to mid-October, with an average daily high temperature above 31°C (88°F).
Which is the coldest month in St Croix?
The coldest month of the year in St Croix is January, with an average high of 29°C (84°F) and low of 22°C (71°F).
The cool season lasts from mid-December through March, with an average daily high temperature below 29°C (84°F).
Which is the sunniest month in St Croix?
The sunniest time of year in St Croix is usually March with nine hours of sunshine per day – that's around 73% of daylight hours.
What is the humidity in St Croix?
St Croix experiences little seasonal variation in perceived humidity, with approximate average relative humidity calculated at between 70% – 76% over the course of the year.
What do the humidity conditions feel like in St Croix?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature.
The average annual dew point in St Croix is 22°C (71°F), and varies over the course of the year from humid at 20°C (68°F) to muggy at 24°C (75°F).
The more humid time of year in St. Croix lasts from April through January, when you can expect the comfort level to be muggy at least 80% of the time.
The months with the most muggy days in St Croix are May through November, when almost every day in each month is muggy or worse.
The month with the fewest number of muggy days is February, with around 21 days that are muggy.
When is the sea warmest in St Croix?
The sea is usually at its warmest in St Croix in August and September when the water temperature reaches 29°C (84°F), which is pleasant for swimming.
The sea in the U.S. Virgin Islands is warm enough to swim year-round.
Which month has the most rain in St Croix?
November is usually the wettest month in St Croix with 133mm (5in) of rainfall on average distributed across eight days.
The wet season lasts from May through November, with a greater than 17% chance of any given day being a wet day.
The months with the most rainfall are September, October and November.
Rain showers are often short and typically occur early in the morning or at night. Downpours are usually followed by hot and sunny weather.
Annual rainfall is extremely variable, with the western part of the island often receiving more rainfall than the eastern end of the island.
The drier season lasts from December through April. The months with the fewest wet days in St Croix are February and March.
What are the windiest months in St Croix?
The windiest month in St Croix is July, with an average hourly wind speed of 25 kilometres per hour (13 knots; 15mph).
The windy part of the year lasts from early-June through August, with average wind speeds of more than 22 kilometres per hour (12 knots; 14mph).
The calmer time of year lasts from September through May. The month with the least amount of wind month of the year in St Croix is October, with an average hourly wind speed of 19 kilometres per hour (10 knots; 12mph).
The predominant average hourly wind direction in St Thomas is from the east throughout the year.
Is there a risk of a tropical storm in St Croix?
The likelihood of a tropical storm in St Croix is greatest during the hurricane season with a risk of 3.6% in September. The hurricane season lasts from June to early November.
St Croix Weather Averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average high temperature (°C) | |||||||||||
| 29 | 29 | 29 | 30 | 31 | 31 | 32 | 32 | 32 | 31 | 30 | 30 |
| Average low temperature (°C) | |||||||||||
| 22 | 22 | 22 | 23 | 24 | 25 | 26 | 26 | 25 | 25 | 24 | 23 |
| Average daily sunshine (hrs) | |||||||||||
| 8 | 8 | 9 | 9 | 8 | 8 | 9 | 9 | 8 | 8 | 7 | 7 |
| Average daily daylight (hrs) | |||||||||||
| 11 | 11 | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 11 | 11 | 11 |
| Comfort level – heat | |||||||||||
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| Comfort level – humidity (#muggy days) | |||||||||||
| 25 | 21 | 22 | 25 | 29 | 29 | 30 | 30 | 29 | 30 | 28 | 27 |
| Average dew point temperature (°C) | |||||||||||
| 21 | 20 | 20 | 21 | 23 | 23 | 23 | 24 | 24 | 24 | 23 | 22 |
| Average relative humidity (%) | |||||||||||
| 74 | 71 | 70 | 71 | 74 | 75 | 72 | 74 | 76 | 76 | 76 | 75 |
| UV Index (max) | |||||||||||
| 8 | 10 | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 11+ | 10 | 9 | 8 |
| Average days of rainfall (≥1mm) | |||||||||||
| 2 | 2 | 2 | 4 | 7 | 5 | 5 | 6 | 8 | 8 | 8 | 4 |
| Average monthly rainfall (mm) | |||||||||||
| 49 | 35 | 42 | 52 | 90 | 52 | 78 | 86 | 115 | 120 | 133 | 80 |
| Average wind speed (km/h) | |||||||||||
| 25 | 24 | 23 | 22 | 22 | 22 | 24 | 26 | 24 | 18 | 22 | 24 |
| Average sea temperature (°C) | |||||||||||
| 26 | 26 | 26 | 27 | 27 | 28 | 28 | 29 | 29 | 29 | 28 | 27 |
| Christiansted, Saint Croix | |||||||||||
Holiday seasons
High Season: Mid-December to mid-April; Low season: Mid-April to mid-November when many hotels slash prices by as much as 50 per cent.
Source: Meteorological data for Saint Croix (USVI) is based on weather statistics gathered for the 30-year period 1992 to 2021 from the closest weather station: Henry E Rohlsen Airport (STX), located 10km (6mi) southwest of the capital, Christiansted. Additional climate data is sourced from the United States National Oceanic and Atmospheric Administration (NOAA).
Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.
Latest update: Best time to visit St Croix: 16 May, 2024
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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