Search for cities, countries, lakes and rivers
Saint Thomas
© Doris Rogge
Water Temperature in the Caribbean Sea in Saint Thomas, United States Virgin Islands: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Saint Thomas in United States Virgin Islands, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Water Temperature in Saint Thomas
83°F
TODAY
81°F
YESTERDAY
81°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Caribbean Sea in Saint Thomas is 27.1°F. This is very warm water, which may feel almost hot to most people. Swimming in such conditions is perfect for those seeking relaxation and comfort in the water. These waters are often preferred for relaxation in hot weather, as the water temperature does not cool the body significantly. However, it is important to remember that in such warm waters, caution is necessary, as prolonged exposure without rest can lead to overheating.
It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.
Water Temperature Chart for Caribbean Sea in Saint Thomas Over the Last 30 Days
The water temperature in Saint Thomas today is lower than both a week ago and a month ago. Today's sea temperature is generally in line with historical values for this day.
According to our forecast, the sea temperature in Saint Thomas will remain nearly unchanged in the coming days, its value will be 84°F.
Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.
Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts across United States Virgin Islands to enhance accuracy.
Water temperature data for Saint Thomas and nearby towns and resorts is gathered from various sources, including buoys and satellite sea and ocean surface maps provided by the NOAA agency. We also incorporate data from local authorities in each specific location worldwide to ensure more accurate temperature readings.
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| Jun 23 | 81°F | 84°F | |
| Jun 24 | 83°F | 84°F | |
| Jun 25 | 82°F | 84°F | |
| Jun 26 | 82°F | 84°F | |
| Jun 27 | 82°F | 84°F | |
| Jun 28 | 82°F | 82°F | |
| Jun 29 | 81°F | 84°F | |
| Jun 30 | 82°F | 84°F | |
| Jul 1 | 84°F | 83°F | |
| Jul 2 | 83°F | 83°F | |
| Jul 3 | 83°F | 83°F | |
| Jul 4 | 85°F | 83°F | |
| Jul 5 | 86°F | 83°F | |
| Jul 6 | 84°F | 83°F | |
| Jul 7 | 85°F | 84°F | |
| Jul 8 | 83°F | 84°F |
Sea Temperature in Saint Thomas Throughout the Year
Throughout the year, the sea temperature in Saint Thomas is always above 64°F (18°C), the sea temperature exceeds 72°F (22°C) for 366 days, and exceeds 77°F (25°C) for 365 days.
Below is the annual chart of sea temperature changes in the Caribbean Sea in Saint Thomas.
January
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 80°F | 82°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 75°F | 79°F | 82°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 81°F | 84°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 81°F | 84°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 82°F | 86°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 82°F | 86°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 83°F | 86°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 83°F | 86°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 84°F | 88°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 84°F | 88°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 83°F | 88°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 81°F | 84°F |
Monthly Water Temperature Histogram for Caribbean Sea in Saint Thomas
You can explore detailed data on how the water temperature in Saint Thomas varies each month:
What Beaches Are There In and Around Saint Thomas?
Crown Bay
Crown Bay is a 3-stars sandy beach, is located directly in Saint Thomas. There is parking. There are restrooms. There are cafés. Crown Bay is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Krum Bay
Krum Bay is a 2-stars sandy beach, is located directly in Saint Thomas. There is parking. There are cafés.
Lindbergh Beach
Lindbergh Beach is a 4-stars sandy beach, is located directly in Saint Thomas. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Emerald Beach Resort
Emerald Beach Resort is a 5-stars sandy beach, is located directly in Saint Thomas. There is parking. There are restrooms. There are cafés. Emerald Beach Resort is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Ruyter Bay
Ruyter Bay is a 2-stars sandy beach, is located directly in Saint Thomas. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Banana Bay
Banana Bay is a 4-stars sandy beach, is located directly in Saint Thomas. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. Banana Bay is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hassel Island
Hassel Island is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Saint Thomas. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Revenge Bay
Revenge Bay is a 2-stars sandy beach, located in a 2 km (1 miles) radius of Saint Thomas. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Elephant Bay
Elephant Bay is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Saint Thomas. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Limestone Beach
Limestone Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Saint Thomas. There is parking. Limestone Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Sugarbird Beach
Sugarbird Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Saint Thomas. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Brewers Bay
Brewers Bay is a 5-stars sandy beach, located in a 3 km (2 miles) radius of Saint Thomas. There are lifeguards on the beach. There is parking. There are restrooms. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Pacquereau Bay
Pacquereau Bay is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Saint Thomas. There is parking. There are restrooms. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Lerkenlund Bay
Lerkenlund Bay is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Saint Thomas. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Flamingo Bay
Flamingo Bay is a 2-stars sandy beach, located in a 3 km (2 miles) radius of Saint Thomas. Flamingo Bay is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Morningstar Beach
Morningstar Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Saint Thomas. There is parking. There are restrooms. There are cafés. Morningstar Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Neltjeberg Bay
Neltjeberg Bay is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Saint Thomas. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Magens Bay Beach
Magens Bay Beach is a 4-stars sandy beach, located in a 4 km (2 miles) radius of Saint Thomas. There are lifeguards on the beach. There is parking. There are restrooms. There are cafés. Snorkeling is possible. There is a shark hazard on the beach. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Dorothea Bay
Dorothea Bay is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Saint Thomas. There is parking. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Hull Bay
Hull Bay is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Saint Thomas. There is parking. There are restrooms. There are cafés. Hull Bay is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Saint Thomas Weather
JULY 1
79°F / 81°F
few clouds: 11-25%humidity: 74% | wind: 5 mph
JULY 2
79°F / 81°F
overcast clouds: 85-100%humidity: 75% | wind: 4 mph
JULY 3
79°F / 81°F
few clouds: 11-25%humidity: 80% | wind: 5 mph
JULY 4
79°F / 81°F
light rainhumidity: 77% | wind: 5 mph
Sea Temperature in the Caribbean Sea in Saint Thomas: General Trends and Swimming Opportunities
The coastal areas of the United States Virgin Islands have a tropical climate with warm temperatures and high humidity year-round. The region experiences a wet season from June to November, with occasional hurricanes, and a drier, more pleasant season from December to May.
Saint Thomas is located in Central America in the Northern Hemisphere at a latitude of 18 degrees, along the shores of the Caribbean Sea. Saint Thomas lies within in United States Virgin Islands.
The average annual daytime air temperature in Saint Thomas is 86°F (30°C), with the average nighttime temperature being 72°F (22°C). The highest average daily temperature occurs in August, reaching 89°F (32°C), while the lowest is in January at 84°F (29°C). As for nighttime temperatures, the minimum average temperature of 68°F (20°C) is recorded in February, and the maximum is in July, reaching 75°F (24°C).
According to historical data, Saint Thomas experiences 172 rainy days per year, which accounts for 47 percent of all days in the year. On average, there are 14 rainy days each month. The wettest month is November, with 17 rainy days and 6.1 inches (156 mm) of precipitation, while the driest month is March, which typically has 10 rainy days and only 1.8 inches (46 mm) of precipitation.
The average annual water temperature in Caribbean Sea in Saint Thomas is 82°F (28°C). In February, the water reaches its lowest point of the year at 75°F (24°C), while in September, it peaks at 88°F (31°C). The water temperature in the Caribbean Sea in Saint Thomas is comfortable for beach vacations and swimming year-round.
Geographical Location of Saint Thomas
Nearby Cities
Frequently Asked Questions About Saint Thomas and its Water Temperatures
What is the current sea temperature in Saint Thomas?
The water temperature today in the Caribbean Sea in Saint Thomas is 83°F (28.1°C).
In which months is the water temperature in Saint Thomas comfortable for swimming?
The water temperature in Saint Thomas is comfortable for beach vacations and swimming throughout the year.
What is the water temperature in Saint Thomas during the winter?
The water temperature in the Caribbean Sea in Saint Thomas during the winter ranges from 75°F to 84°F (24°C to 29°C).
What is the water temperature in Saint Thomas during the spring?
The water temperature in the Caribbean Sea in Saint Thomas during the spring ranges from 77°F to 86°F (25°C to 30°C).
What is the water temperature in Saint Thomas during the summer?
The water temperature in the Caribbean Sea in Saint Thomas during the summer ranges from 79°F to 86°F (26°C to 30°C).
What is the water temperature in Saint Thomas during the fall?
The water temperature in the Caribbean Sea in Saint Thomas during the fall ranges from 79°F to 88°F (26°C to 31°C).
Is it possible to swim in the sea in Saint Thomas year-round?
Yes, it is possible to swim in the Caribbean Sea in Saint Thomas year-round because the water temperature never drops below 75°F (24°C)
Is Saint Thomas a popular tourist destination for beach vacations?
Saint Thomas a fairly popular beach destination, offering good conditions for swimming and relaxation, with a steady flow of tourists, especially during peak seasons.
What sea temperatures can I expect in Saint Thomas in the next month?
In July, the water temperature in the Caribbean Sea in Saint Thomas will range between 81°F (27°C) and 86°F (30°C)