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Dennis
Water Temperature in the Atlantic Ocean in Dennis, Massachusetts: Current, Historical Data and Forecast
On this page, you will find comprehensive information about the sea temperature in Dennis in Massachusetts, 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 Dennis
34°F
TODAY
34°F
YESTERDAY
34°F
A WEEK AGO
Analysis, Historical Data, and Forecast of Water Temperature
Today sea water temperature in the Atlantic Ocean in Dennis is 1.3°F. Such water is extremely cold and not recommended for swimming without proper preparation. In these conditions, the risk of hypothermia is very high, and prolonged exposure to the water can be hazardous to your health. If you decide to swim, it is important to have the appropriate gear, such as a wetsuit. Typically, only experienced swimmers or those who practice winter swimming venture into such waters.
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 Atlantic Ocean in Dennis Over the Last 30 Days
The water temperature in Dennis 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 Dennis will rise slightly in the coming days and reach 37°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 to enhance accuracy.
Water temperature data for Dennis 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 15 | 34°F | 37°F | |
| Feb 16 | 35°F | 38°F | |
| Feb 17 | 35°F | 37°F | |
| Feb 18 | 35°F | 38°F | |
| Feb 19 | 35°F | 37°F | |
| Feb 20 | 35°F | 37°F | |
| Feb 21 | 34°F | 37°F | |
| Feb 22 | 34°F | 38°F | |
| Feb 23 | 37 | 35°F | |
| Feb 24 | 38 | 35°F | |
| Feb 25 | 38 | 35°F | |
| Feb 26 | 38 | 36°F | |
| Feb 27 | 38 | 36°F | |
| Feb 28 | 39 | 36°F | |
| Mar 1 | 41 | 37°F | |
| Mar 2 | 40 | 37°F |
Sea Temperature in Dennis Throughout the Year
Throughout the year, the sea temperature in Dennis exceeds 77°F (25°C) for 0 days, exceeds 72°F (22°C) for 0 days, and exceeds 64°F (18°C) for 90 days.
Below is the annual chart of sea temperature changes in the Atlantic Ocean in Dennis.
January
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 41°F | 46°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 39°F | 43°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 36°F | 40°F | 45°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 45°F | 50°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 43°F | 51°F | 59°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 50°F | 61°F | 72°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 66°F | 73°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 64°F | 70°F | 75°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 61°F | 67°F | 73°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 48°F | 58°F | 68°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 45°F | 52°F | 59°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 39°F | 45°F | 50°F |
Monthly Water Temperature Histogram for Atlantic Ocean in Dennis
You can explore detailed data on how the water temperature in Dennis varies each month:
What Beaches Are There In and Around Dennis?
Chapin Memorial
Chapin Memorial is a 4-stars sandy beach, is located directly in Dennis. There are lifeguards on the beach. There is parking. Chapin Memorial 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.
Bayview Beach
Bayview Beach is a 2-stars sandy beach, is located directly in Dennis. There is parking. There are restrooms.
Mayflower Beach
Mayflower Beach is a 4-stars sandy beach, is located directly in Dennis. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Scargo
Scargo is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Howes Street
Howes Street is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Dennis. There are lifeguards on the beach. 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.
Corporation Beach
Corporation Beach is a 3-stars sandy beach, located in a 2 km (1 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms.
Corporation
Corporation is a 4-stars sandy beach, located in a 2 km (1 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Flax Pond Beach
Flax Pond Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Grays Beach
Grays Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Dennis. There is parking. There are restrooms. Grays Beach 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.
Chapin Memorial Beach
Chapin Memorial Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Dennis. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Princess Beach
Princess Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Harborview Beach
Harborview Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Dennis. There is parking. There are cafés. There is a shark hazard on the beach.
Harborview
Harborview is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Dennis. There are lifeguards on the beach. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Sea Street
Sea Street is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Dennis. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Sesuit Beach
Sesuit Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Dennis. Sesuit Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Cold Storage
Cold Storage is a 4-stars sandy beach, located in a 5 km (3 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Follins Pond
Follins Pond is a 3-stars sandy beach, located in a 5 km (3 miles) radius of Dennis. There is parking. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
Mill Creek
Mill Creek is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Dennis. There is parking. Mill Creek is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Crowes Pasture
Crowes Pasture is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Dennis. Crowes Pasture 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.
Dennis Pond
Dennis Pond is a 4-stars sandy beach, located in a 7 km (4 miles) radius of Dennis. There are lifeguards on the beach. There is parking. There are restrooms. Dennis Pond 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.
Dennis Weather
FEBRUARY 24
37°F / 43°F
broken clouds: 51-84%humidity: 82% | wind: 4 mph
FEBRUARY 25
37°F / 45°F
overcast clouds: 85-100%humidity: 88% | wind: 3 mph
FEBRUARY 26
39°F / 43°F
scattered clouds: 25-50%humidity: 88% | wind: 4 mph
Sea Temperature in the Atlantic Ocean in Dennis: General Trends and Swimming Opportunities
The coastal region of Massachusetts, United States, experiences a humid continental climate with maritime influences. This climate is characterized by warm, humid summers and cold, wet winters, with significant precipitation throughout the year and possible heavy snowfall in winter months.
Dennis is located in North America in the Northern Hemisphere at a latitude of 42 degrees, along the shores of the Atlantic Ocean. Dennis lies within the Massachusetts in United States.
The average annual daytime air temperature in Dennis is 59°F (15°C), with the average nighttime temperature being 45°F (7°C). The highest average daily temperature occurs in July, reaching 79°F (26°C), while the lowest is in January at 38°F (3°C). As for nighttime temperatures, the minimum average temperature of 26°F (-4°C) is recorded in January, and the maximum is in July, reaching 63°F (17°C).
According to historical data, Dennis experiences 122 rainy days per year, which accounts for 33 percent of all days in the year. On average, there are 10 rainy days each month. The wettest month is December, with 12 rainy days and 4.4 inches (111 mm) of precipitation, while the driest month is September, which typically has 8 rainy days and only 3.5 inches (89 mm) of precipitation.
The average annual water temperature in Atlantic Ocean in Dennis is 54°F (12°C). In January, the water reaches its lowest point of the year at 36°F (2°C), while in August, it peaks at 75°F (24°C). In Dennis, the water temperature in the Atlantic Ocean never consistently reaches a comfortable level for swimming in any month.
Geographical Location of Dennis
Nearby Cities
Frequently Asked Questions About Dennis and its Water Temperatures
What is the current sea temperature in Dennis?
The water temperature today in the Atlantic Ocean in Dennis is 34°F (1.3°C).
In which months is the water temperature in Dennis comfortable for swimming?
It cannot be guaranteed that the water temperature in Dennis will be comfortable for swimming in any month of the year.
What is the water temperature in Dennis during the winter?
The water temperature in the Atlantic Ocean in Dennis during the winter ranges from 36°F to 50°F (2°C to 10°C).
What is the water temperature in Dennis during the spring?
The water temperature in the Atlantic Ocean in Dennis during the spring ranges from 36°F to 59°F (2°C to 15°C).
What is the water temperature in Dennis during the summer?
The water temperature in the Atlantic Ocean in Dennis during the summer ranges from 50°F to 75°F (10°C to 24°C).
What is the water temperature in Dennis during the fall?
The water temperature in the Atlantic Ocean in Dennis during the fall ranges from 45°F to 73°F (7°C to 23°C).
Is it possible to swim in the sea in Dennis at any time of the year?
The Atlantic Ocean in Dennis is quite cool, and swimming is only possible in June, July, August, and September when the water temperature reaches 70°F (21°C).
What sea temperatures can I expect in Dennis in the next month?
In March, the water temperature in the Atlantic Ocean in Dennis will range between 36°F (2°C) and 45°F (7°C)