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Lake Ronkonkoma

Lake Ronkonkoma Current Water Temperature and Forecast

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

Today the water temperature in Lake Ronkonkoma is lower than the same day in previous years. The water temperature range here in February is from 32°F to 39°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Lake Ronkonkoma 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°F35°F
Feb 1735°F35°F
Feb 1835°F35°F
Feb 1935°F35°F
Feb 2035°F35°F
Feb 2135°F35°F
Feb 2235°F35°F
Feb 2335°F35°F
Feb 2435°F35°F
Feb 2535°F35°F
Feb 2635°F35°F
Feb 2735°F35°F
Feb 2835°F35°F
Mar 137°F35°F
Mar 237°F35°F
Mar 337°F35°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 Lake Ronkonkoma by Month

January

MinimumAverageMaximum
32°F35°F39°F

February

MinimumAverageMaximum
32°F35°F39°F

March

MinimumAverageMaximum
32°F37°F41°F

April

MinimumAverageMaximum
45°F49°F54°F

May

MinimumAverageMaximum
52°F56°F61°F

June

MinimumAverageMaximum
66°F71°F75°F

July

MinimumAverageMaximum
75°F80°F84°F

August

MinimumAverageMaximum
73°F78°F82°F

September

MinimumAverageMaximum
72°F76°F81°F

October

MinimumAverageMaximum
59°F63°F68°F

November

MinimumAverageMaximum
46°F51°F55°F

December

MinimumAverageMaximum
39°F43°F48°F

Monthly Water Temperature Histogram for Lake Ronkonkoma

Lake Ronkonkoma Weather

FEBRUARY 23

30°F / 41°F
overcast

rain: 0% | wind: 12 mph

FEBRUARY 24

32°F / 41°F
overcast

rain: 6% | wind: 7 mph

FEBRUARY 25

32°F / 48°F
overcast

rain: 13% | wind: 13 mph

FEBRUARY 26

34°F / 43°F
overcast

rain: 12% | wind: 17 mph

Water Temperature in Lake Ronkonkoma: General Trends and Swimming Opportunities

Lake Ronkonkoma is located in the state of New York, in the county of Suffolk, at an elevation of 49 feet (15 meters) above sea level.

Lake Ronkonkoma is a very small lake. Its surface area is 226 acres (0.916 sq km). These lakes often resemble large ponds and are commonly found in rural or mountainous areas.

The water temperature in Lake Ronkonkoma varies throughout the year, ranging from 32°F (0°C) in January to 84°F (29°C) in July. The average annual water temperature of the lake is 55°F (13°C). The months when the average water temperature in Lake Ronkonkoma exceeds 68 degrees Fahrenheit (20°C) are June, July, August and September.

The nearest cities ans towns to Lake Ronkonkoma are: Lake Ronkonkoma, Ronkonkoma, Lake Grove, Centereach, Nesconset, Holbrook, Islandia, Village of the Branch, Saint James, Bohemia in New York.

Geographical Location of Lake Ronkonkoma

Frequently Asked Questions About Lake Ronkonkoma and its Water Temperatures

What is the current water temperature in Lake Ronkonkoma?

The water temperature today in Lake Ronkonkoma is 35°F (1.4°C).

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

The average water temperature in Lake Ronkonkoma during the summer months is typically between 71°F to 80°F (22°C to 27°C), and it can reach up to 84°F (29°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Lake Ronkonkoma in May?

The average water temperature in Lake Ronkonkoma in May ranges from 52°F to 61°F (11°C to 16°C).

What is the water temperature in Lake Ronkonkoma in September?

The average water temperature in Lake Ronkonkoma in September is typically between 72°F to 81°F (22°C to 27°C).

Where is Lake Ronkonkoma located?

Lake Ronkonkoma is located in the United States in the state of New York, in the county of Suffolk, at an elevation of 49 feet (15 meters) above sea level. The surface area of the lake is 0.354 sq mi (0.92 sq km).

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

Yes, it's possible to swim in Lake Ronkonkoma with Suffolk County Park offering a designated swimming area. However, swimming is only allowed when a lifeguard is on duty, typically during the summer months.

What are the coordinates of Lake Ronkonkoma?

Lake Ronkonkoma is located at coordinates 40.8270°N 73.1230°W.

Is Lake Lake Ronkonkoma a popular vacation spot among Americans?

Lake Ronkonkoma enjoys local popularity among the residents of State New York, and nationally, it ranks in the top 10 percent of all lakes in the country.

What species of fish can be found in Lake Ronkonkoma?

Lake Ronkonkoma is home to fish species such as Largemouth bass (best caught in Spring, Fall), Smallmouth bass (Spring, Fall), Bluegill (Spring, Summer), Pumpkinseed (Spring, Summer), Yellow perch (Spring, Winter), Walleye (Spring, Fall), Black crappie (Spring, Fall), Brown bullhead (Spring, Summer, Fall), Chain pickerel (Spring, Fall), Tiger muskie (Spring, Fall), Rainbow trout (Spring, Fall), Gar (Summer).