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San Juan
Water Temperature in the Caribbean Sea in San Juan, Puerto Rico: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in San Juan in Puerto Rico, 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 San Juan
81°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 San Juan is 27°F. This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.
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 San Juan Over the Last 30 Days
The water temperature in San Juan 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 San Juan will remain nearly unchanged in the coming days, its value will be 80°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 Puerto Rico to enhance accuracy.
Water temperature data for San Juan 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 |
|---|---|---|---|
| Feb 27 | 81°F | 80°F | |
| Feb 28 | 80°F | 80°F | |
| Mar 1 | 80°F | 81°F | |
| Mar 2 | 80°F | 78°F | |
| Mar 3 | 80°F | 81°F | |
| Mar 4 | 81°F | 80°F | |
| Mar 5 | 81°F | 80°F | |
| Mar 6 | 80°F | 80°F | |
| Mar 7 | 80°F | 81°F | |
| Mar 8 | 80°F | 81°F | |
| Mar 9 | 80°F | 81°F | |
| Mar 10 | 80°F | 81°F | |
| Mar 11 | 80°F | 81°F | |
| Mar 12 | 80°F | 80°F | |
| Mar 13 | 81°F | 80°F | |
| Mar 14 | 80°F | 80°F |
Sea Temperature in San Juan Throughout the Year
Throughout the year, the sea temperature in San Juan 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 366 days.
Below is the annual chart of sea temperature changes in the Caribbean Sea in San Juan.
January
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 80°F | 82°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 80°F | 82°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 77°F | 80°F | 82°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 | 83°F | 88°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 83°F | 86°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 82°F | 85°F | 88°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 85°F | 90°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 82°F | 86°F | 90°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 81°F | 84°F | 88°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 82°F | 86°F |
Monthly Water Temperature Histogram for Caribbean Sea in San Juan
You can explore detailed data on how the water temperature in San Juan varies each month:
What Beaches Are There In and Around San Juan?
Playa Pena Beach
Playa Pena Beach is a 4-stars sandy beach, is located directly in San Juan. There are lifeguards on the beach. There is parking. There are cafés. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Playa del Capitolio
Playa del Capitolio is a 1-stars sandy beach, is located directly in San Juan.
La Ocho Beach
La Ocho Beach is a 4-stars sandy beach, is located directly in San Juan. There is parking. There are restrooms. There are cafés. 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.
Playa Puerta De Tierra
Playa Puerta De Tierra is a 1-stars sandy beach, is located directly in San Juan.
Escambron Beach
Escambron Beach is a 1-stars sandy beach, located in a 2 km (1 miles) radius of San Juan.
Catano Beach
Catano Beach is a 1-stars sandy beach, located in a 3 km (2 miles) radius of San Juan.
Playita del Condado
Playita del Condado is a 1-stars sandy beach, located in a 3 km (2 miles) radius of San Juan.
Fortin San Juan de la Cruz
Fortin San Juan de la Cruz is a 1-stars sandy beach, located in a 3 km (2 miles) radius of San Juan.
Isla De Cabra Beach
Isla De Cabra Beach is a 2-stars sandy beach, located in a 3 km (2 miles) radius of San Juan. There is parking. There are cafés. Isla De Cabra Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Condado Beach
Condado Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of San Juan. There is parking. There are cafés. Snorkeling is possible. It is suitable for surfing. 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.
Playa Palo Seco Sur
Playa Palo Seco Sur is a 1-stars sandy beach, located in a 4 km (2 miles) radius of San Juan.
Atlantic Beach
Atlantic Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of San Juan. There is parking. There are restrooms. There are cafés.
Playa del Pueblo
Playa del Pueblo is a 1-stars sandy beach, located in a 5 km (3 miles) radius of San Juan.
Playa Electrico
Playa Electrico is a 1-stars sandy beach, located in a 5 km (3 miles) radius of San Juan.
Ocean Park Beach
Ocean Park Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of San Juan. There is parking. There are cafés. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Punta Las Marias Beach
Punta Las Marias Beach is a 3-stars sandy beach, located in a 7 km (4 miles) radius of San Juan. There is parking. It is suitable for surfing. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Playa De Levittown
Playa De Levittown is a 1-stars sandy beach, located in a 8 km (5 miles) radius of San Juan.
Playa Cochino
Playa Cochino is a 1-stars sandy beach, located in a 8 km (5 miles) radius of San Juan.
Playa Boca Vieja
Playa Boca Vieja is a 1-stars sandy beach, located in a 8 km (5 miles) radius of San Juan.
Punta Salinas Beach
Punta Salinas Beach is a 5-stars sandy beach, located in a 8 km (5 miles) radius of San Juan. It has been awarded the prestigious Blue Flag, ensuring high environmental and quality standards. There are lifeguards on the beach. There is parking. There are restrooms. Punta Salinas Beach 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.
San Juan Weather
MARCH 7
73°F / 82°F
moderate rainhumidity: 77% | wind: 2 mph
MARCH 8
73°F / 84°F
light rainhumidity: 76% | wind: 2 mph
MARCH 9
73°F / 82°F
clear skyhumidity: 72% | wind: 2 mph
MARCH 10
75°F / 81°F
few clouds: 11-25%humidity: 77% | wind: 2 mph
Sea Temperature in the Caribbean Sea in San Juan: General Trends and Swimming Opportunities
Puerto Rico, being a tropical island, enjoys a warm coastal climate year-round, with average temperatures ranging from 75°F (24°C) in the winter to 85°F (29°C) in the summer. The region experiences a rainy season from April to November, with potential tropical storms or hurricanes, and a drier season from December to March.
San Juan is located in Central America in the Northern Hemisphere at a latitude of 18 degrees, along the shores of the Caribbean Sea. San Juan lies within in Puerto Rico.
The average annual daytime air temperature in San Juan 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, San Juan 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 San Juan is 82°F (28°C). In January, the water reaches its lowest point of the year at 77°F (25°C), while in September, it peaks at 90°F (32°C). The water temperature in the Caribbean Sea in San Juan is comfortable for beach vacations and swimming year-round.
Geographical Location of San Juan
Nearby Cities
Frequently Asked Questions About San Juan and its Water Temperatures
What is the current sea temperature in San Juan?
The water temperature today in the Caribbean Sea in San Juan is 81°F (27.3°C).
In which months is the water temperature in San Juan comfortable for swimming?
The water temperature in San Juan is comfortable for beach vacations and swimming throughout the year.
What is the water temperature in San Juan during the winter?
The water temperature in the Caribbean Sea in San Juan during the winter ranges from 77°F to 86°F (25°C to 30°C).
What is the water temperature in San Juan during the spring?
The water temperature in the Caribbean Sea in San Juan during the spring ranges from 77°F to 86°F (25°C to 30°C).
What is the water temperature in San Juan during the summer?
The water temperature in the Caribbean Sea in San Juan during the summer ranges from 79°F to 88°F (26°C to 31°C).
What is the water temperature in San Juan during the fall?
The water temperature in the Caribbean Sea in San Juan during the fall ranges from 81°F to 90°F (27°C to 32°C).
Is it possible to swim in the sea in San Juan year-round?
Yes, it is possible to swim in the Caribbean Sea in San Juan year-round because the water temperature never drops below 77°F (25°C)
Is San Juan a popular tourist destination for beach vacations?
San Juan 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 San Juan in the next month?
In April, the water temperature in the Caribbean Sea in San Juan will range between 77°F (25°C) and 84°F (29°C)