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Sunapee Lake
Sunapee Lake Current Water Temperature and Forecast
On this page, you will find comprehensive information about the water temperature in Sunapee Lake, 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 Lake Water Temperature Information
35°F
TODAY
35°F
YESTERDAY
35°F
A WEEK AGO
As of today, the minimum water temperature in the Sunapee Lake ranges less than 41°F (5°C). 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.
Analysis, Historical Data, and Forecast of Water Temperature
Water Temperature Chart for Sunapee Lake Over the Last 30 Days
Today the water temperature in Sunapee Lake is lower than the same day in previous years. The water temperature range here in February is from 34°F to 55°F. The water temperature has decreased over the past 7 days but has increased over the past month.
The forecasted water temperature values for Sunapee Lake are presented in the table below.
The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.
Daily Water Temperature Chart
| Date | Current | Average | Forecast |
|---|---|---|---|
| Feb 16 | 35°F | 45°F | |
| Feb 17 | 35°F | 45°F | |
| Feb 18 | 35°F | 45°F | |
| Feb 19 | 35°F | 45°F | |
| Feb 20 | 35°F | 45°F | |
| Feb 21 | 35°F | 45°F | |
| Feb 22 | 35°F | 45°F | |
| Feb 23 | 35°F | 45°F | |
| Feb 24 | 45°F | 36°F | |
| Feb 25 | 45°F | 36°F | |
| Feb 26 | 45°F | 37°F | |
| Feb 27 | 45°F | 37°F | |
| Feb 28 | 45°F | 38°F | |
| Mar 1 | 51°F | 39°F | |
| Mar 2 | 51°F | 39°F | |
| Mar 3 | 51°F | 40°F |
Water Temperature Ranges in Sunapee Lake by Month
January
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 46°F | 59°F |
February
| Minimum | Average | Maximum |
|---|---|---|
| 34°F | 45°F | 55°F |
March
| Minimum | Average | Maximum |
|---|---|---|
| 46°F | 51°F | 55°F |
April
| Minimum | Average | Maximum |
|---|---|---|
| 52°F | 57°F | 61°F |
May
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 61°F | 66°F |
June
| Minimum | Average | Maximum |
|---|---|---|
| 59°F | 64°F | 68°F |
July
| Minimum | Average | Maximum |
|---|---|---|
| 79°F | 84°F | 88°F |
August
| Minimum | Average | Maximum |
|---|---|---|
| 70°F | 74°F | 79°F |
September
| Minimum | Average | Maximum |
|---|---|---|
| 66°F | 71°F | 75°F |
October
| Minimum | Average | Maximum |
|---|---|---|
| 57°F | 61°F | 66°F |
November
| Minimum | Average | Maximum |
|---|---|---|
| 43°F | 48°F | 52°F |
December
| Minimum | Average | Maximum |
|---|---|---|
| 37°F | 41°F | 45°F |
Monthly Water Temperature Histogram for Sunapee Lake
Known Beaches in the Area of Sunapee Lake?
Dewey Beach
Dewey Beach is a 4-stars sandy beach, located in a 3 km (2 miles) radius of Sunapee Lake. There are lifeguards on the beach. There is parking. Snorkeling is possible. The calm waters make this beach ideal for swimming, providing a safe and enjoyable experience for all visitors.
No Dragon Beach
No Dragon Beach is a 3-stars sandy beach, located in a 3 km (2 miles) radius of Sunapee Lake. There are lifeguards on the beach. There is parking. Snorkeling is possible.
State Park Beach
State Park Beach is a 1-stars sandy beach, located in a 4 km (2 miles) radius of Sunapee Lake.
Lake Sunapee State Beach
Lake Sunapee State Beach is a 3-stars sandy beach, located in a 4 km (2 miles) radius of Sunapee Lake. There is parking. There are cafés. Lake Sunapee State Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish. Snorkeling is possible.
Sunapee State Beach
Sunapee State Beach is a 5-stars sandy beach, located in a 4 km (2 miles) radius of Sunapee Lake. There are lifeguards on the beach. There is parking. There are restrooms. Sunapee State 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.
George's Mills Boat Ramp
George's Mills Boat Ramp is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Sunapee Lake. There is parking.
Newbury Beach
Newbury Beach is a 2-stars sandy beach, located in a 6 km (4 miles) radius of Sunapee Lake. There is parking. Snorkeling is possible.
Bucklin Beach
Bucklin Beach is a 1-stars pebble beach, located in a 8 km (5 miles) radius of Sunapee Lake. There is parking.
Wadleigh State Park
Wadleigh State Park is a 4-stars sandy beach, located in a 9 km (6 miles) radius of Sunapee Lake. There are lifeguards on the beach. There are restrooms. Wadleigh State Park 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.
Wadleigh State Beach
Wadleigh State Beach is a 3-stars sandy beach, located in a 9 km (6 miles) radius of Sunapee Lake. There is parking. There are restrooms. Wadleigh State Beach is an excellent spot for fishing enthusiasts, offering good opportunities to catch local fish.
Sunapee Lake Weather
FEBRUARY 23
9°F / 30°F
overcastrain: 0% | wind: 11 mph
FEBRUARY 24
16°F / 34°F
slight snow fallrain: 9% | wind: 4 mph
FEBRUARY 25
30°F / 34°F
slight snow fallrain: 18% | wind: 3 mph
FEBRUARY 26
32°F / 34°F
fograin: 18% | wind: 8 mph
Water Temperature in Sunapee Lake: General Trends and Swimming Opportunities
Sunapee Lake is located in the state of New Hampshire, in the counties of Merrimack, Sullivan, at an elevation of 1089 feet (332 meters) above sea level.
Sunapee Lake is a medium lake. Its surface area is 6.4 sq mi (16.7 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.
The water temperature in Sunapee Lake varies throughout the year, ranging from 37°F (3°C) in December to 88°F (31°C) in July. The average annual water temperature of the lake is 59°F (15°C). The months when the average water temperature in Sunapee Lake exceeds 68 degrees Fahrenheit (20°C) are July, August and September.
The nearest cities ans towns to Sunapee Lake are: Sunapee, Newbury, New London, Sutton, Newport, Springfield, Wilmot, Grantham, Unity, Lempster in New Hampshire.
Geographical Location of Sunapee Lake
Nearby Lakes
Frequently Asked Questions About Sunapee Lake and its Water Temperatures
What is the current water temperature in Sunapee Lake?
The water temperature today in Sunapee Lake is 35°F (1.7°C).
What is the water temperature in Sunapee Lake during the summer months?
The average water temperature in Sunapee Lake during the summer months is typically between 64°F to 84°F (18°C to 29°C), and it can reach up to 88°F (31°C) at its warmest. However, in some years, the temperature may exceed this range.
What is the water temperature in Sunapee Lake in May?
The average water temperature in Sunapee Lake in May ranges from 57°F to 66°F (14°C to 19°C).
What is the water temperature in Sunapee Lake in September?
The average water temperature in Sunapee Lake in September is typically between 66°F to 75°F (19°C to 24°C).
Where is Sunapee Lake located?
Sunapee Lake is located in the United States in the state of New Hampshire, in the counties of Merrimack, Sullivan, at an elevation of 1089 feet (332 meters) above sea level. The surface area of the lake is 6.446 sq mi (16.69 sq km).
Is it possible to swim in Sunapee Lake and what are the possibilities for this?
Yes, it is possible to swim in Sunapee Lake, New Hampshire. The lake has public beaches like Sunapee State Park for swimming, as well as boating opportunities for its visitors.
What are the coordinates of Sunapee Lake?
Sunapee Lake is located at coordinates 43.3760°N 72.0530°W.
Is Lake Sunapee Lake a popular vacation spot among Americans?
Sunapee Lake enjoys local popularity among the residents of State New Hampshire, and nationally, it ranks in the top 10 percent of all lakes in the country.
What species of fish can be found in Sunapee Lake?
Sunapee Lake is home to fish species such as Lake trout (best caught in Spring, Fall), Rainbow trout (Spring, Fall), Brown trout (Spring, Fall), Smallmouth bass (Spring, Fall), Largemouth bass (Spring, Fall), Chain pickerel (Spring, Fall), Yellow perch (Spring, Winter), White perch (Spring, Summer), Black crappie (Spring, Fall).