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Long Lake

Long Lake Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Long 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 Long 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 Long Lake Over the Last 30 Days

Today the water temperature in Long Lake is lower than the same day in previous years. The water temperature range here in February is from 34°F to 59°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Long 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

DateCurrentAverageForecast
Feb 1635°F46°F
Feb 1735°F46°F
Feb 1835°F46°F
Feb 1935°F46°F
Feb 2035°F46°F
Feb 2135°F46°F
Feb 2235°F46°F
Feb 2335°F46°F
Feb 2446°F36°F
Feb 2546°F36°F
Feb 2646°F37°F
Feb 2746°F38°F
Feb 2846°F38°F
Mar 158°F39°F
Mar 258°F40°F
Mar 358°F42°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Long Lake by Month

January

MinimumAverageMaximum
34°F44°F54°F

February

MinimumAverageMaximum
34°F46°F59°F

March

MinimumAverageMaximum
54°F58°F63°F

April

MinimumAverageMaximum
59°F63°F68°F

May

MinimumAverageMaximum
61°F65°F70°F

June

MinimumAverageMaximum
64°F68°F72°F

July

MinimumAverageMaximum
63°F67°F72°F

August

MinimumAverageMaximum
73°F78°F82°F

September

MinimumAverageMaximum
64°F68°F72°F

October

MinimumAverageMaximum
41°F45°F50°F

November

MinimumAverageMaximum
39°F44°F48°F

December

MinimumAverageMaximum
43°F47°F52°F

Monthly Water Temperature Histogram for Long Lake

Long Lake Weather

FEBRUARY 23

21°F / 43°F
overcast

rain: 2% | wind: 11 mph

FEBRUARY 24

34°F / 45°F
light drizzle

rain: 5% | wind: 20 mph

FEBRUARY 25

32°F / 48°F
light drizzle

rain: 7% | wind: 16 mph

FEBRUARY 26

32°F / 43°F
slight snow fall

rain: 21% | wind: 21 mph

Water Temperature in Long Lake: General Trends and Swimming Opportunities

Long Lake is located in the state of South Dakota, in the county of Codington, at an elevation of 1712 feet (522 meters) above sea level.

Long Lake is a medium lake. Its surface area is 3.9 sq mi (10.1 sq km). Typically versatile lakes with developed ecosystems; popular for water sports and tourism.

The water temperature in Long Lake varies throughout the year, ranging from 39°F (4°C) in November to 82°F (28°C) in August. The average annual water temperature of the lake is 59°F (15°C). The months when the average water temperature in Long Lake exceeds 68 degrees Fahrenheit (20°C) are June, August and September.

The nearest cities ans towns to Long Lake are: Watertown, Clark, Hayti, Webster in South Dakota.

Geographical Location of Long Lake

Frequently Asked Questions About Long Lake and its Water Temperatures

What is the current water temperature in Long Lake?

The water temperature today in Long Lake is 35°F (1.6°C).

What is the water temperature in Long Lake during the summer months?

The average water temperature in Long Lake during the summer months is typically between 67°F to 78°F (19°C to 26°C), and it can reach up to 82°F (28°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Long Lake in May?

The average water temperature in Long Lake in May ranges from 61°F to 70°F (16°C to 21°C).

What is the water temperature in Long Lake in September?

The average water temperature in Long Lake in September is typically between 64°F to 72°F (18°C to 22°C).

Where is Long Lake located?

Long Lake is located in the United States in the state of South Dakota, in the county of Codington, at an elevation of 1712 feet (522 meters) above sea level. The surface area of the lake is 3.889 sq mi (10.07 sq km).

Is it possible to swim in Long Lake and what are the possibilities for this?

Yes, it is possible to swim in Long Lake, South Dakota. Swimming access can be found at public access points, designated swimming areas, or boat launches located around the lake.

What are the coordinates of Long Lake?

Long Lake is located at coordinates 44.9320°N 97.4030°W.

Is Lake Long Lake a popular vacation spot among Americans?

Long Lake enjoys local popularity among the residents of State South Dakota, and nationally, it ranks in the top 10 percent of all lakes in the country.