Climate and monthly weather forecast
Lake Ronkonkoma, NY

Share

Weather in January

January, like December, in Lake Ronkonkoma, New York, is a wintry winter month, with an average temperature varying between 37.9°F (3.3°C) and 30.2°F (-1°C). In Lake Ronkonkoma, January is the month with the lowest recorded average temperatures, measuring a high of 37.9°F (3.3°C) and a low of 30.2°F (-1°C). Weather in January »

Weather in February

February, the last month of the winter in Lake Ronkonkoma, is also an icy month, with an average temperature fluctuating between 39.7°F (4.3°C) and 31.3°F (-0.4°C). Lake Ronkonkoma records an average high-temperature of a still icy 39.7°F (4.3°C) as February arrives, nearly mirroring the previous month's climate. Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Lake Ronkonkoma, New York, with temperature in the range of an average high of 44.2°F (6.8°C) and an average low of 36.3°F (2.4°C). March's climate shows a minor adjustment in average high-temperatures to a frosty 44.2°F (6.8°C) from February's 39.7°F (4.3°C). Weather in March »

Weather in April

April is a cool spring month in Lake Ronkonkoma, New York, with an average temperature fluctuating between 45.1°F (7.3°C) and 52.3°F (11.3°C). The start of April brings a subtle rise in the average high-temperature, moving from a frosty 44.2°F (6.8°C) in March to a cool 52.3°F (11.3°C). Weather in April »

Weather in May

May, the last month of the spring in Lake Ronkonkoma, is a comfortable month, with an average temperature varying between 54.3°F (12.4°C) and 61.2°F (16.2°C). The start of May brings a subtle rise in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in April to a comfortable 61.2°F (16.2°C). Weather in May »

Weather in June

The first month of the summer, June, is a pleasant month in Lake Ronkonkoma, New York, with an average temperature fluctuating between 70.7°F (21.5°C) and 63.5°F (17.5°C). Lake Ronkonkoma in June experiences an increase in the average high-temperature, moving from May's enjoyable 61.2°F (16.2°C) to an agreeable 70.7°F (21.5°C). Weather in June »

Weather in July

July in Lake Ronkonkoma, New York, is a warm summer month, with an average temperature fluctuating between 77.9°F (25.5°C) and 71.6°F (22°C). The shift from June to July introduces a subtle increase in the average high-temperature, moving from a pleasant 70.7°F (21.5°C) to a moderately hot 77.9°F (25.5°C). Weather in July »

Weather in August

August, the last month of the summer in Lake Ronkonkoma, is also a moderately hot month, with an average temperature ranging between min 71.8°F (22.1°C) and max 78.1°F (25.6°C). August, with its average high-temperature of 78.1°F (25.6°C) and an average low-temperature of 71.8°F (22.1°C), holds the record as the warmest month. Weather in August »

Weather in September

September, the first month of the autumn in Lake Ronkonkoma, is still a pleasant month, with an average temperature fluctuating between 65.3°F (18.5°C) and 72.1°F (22.3°C). Lake Ronkonkoma's September weather shows a modest shift in high-temperatures, falling from August's warm 78.1°F (25.6°C) to a pleasant 72.1°F (22.3°C). Weather in September »

Weather in October

October, like September, in Lake Ronkonkoma, New York, is another enjoyable autumn month, with temperature in the range of an average high of 62.4°F (16.9°C) and an average low of 55.8°F (13.2°C). In October, the average high-temperature goes from a pleasant 72.1°F (22.3°C) in September to an enjoyable 62.4°F (16.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Lake Ronkonkoma, New York, with an average temperature ranging between min 45°F (7.2°C) and max 52.3°F (11.3°C). The decrease of average high-temperatures is mild in November, with a decline from a refreshing 62.4°F (16.9°C) in October to a fresh 52.3°F (11.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Lake Ronkonkoma, New York, with an average temperature fluctuating between 37.2°F (2.9°C) and 44.1°F (6.7°C). December sees a slight reduction in average high-temperature, with a shift from a fresh 52.3°F (11.3°C) in November to a frosty 44.1°F (6.7°C). Weather in December »
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the coldest months?

With its average high temperature of 37.9°F (3.3°C) and a low of 30.2°F (-1°C), January is regarded as the coldest month.

What is the driest month?

January is the month with the least rainfall in Lake Ronkonkoma, New York. Rain falls for 8.3 days and accumulates 2.17" (55mm) of precipitation.

How many days does it rain?

In Lake Ronkonkoma, during the entire year, the rain falls for 155.3 days and collects up to 34.84" (885mm) of precipitation.

When does it snow in Lake Ronkonkoma?

Months with snowfall are January through March, May, October and December.

How many days does it snow?

Throughout the year, there are 14.7 snowfall days, and 6.14" (156mm) of snow is accumulated.

What are the months with the lowest UV index?

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

What is the month with the least sunshine?

February has the least sunshine of the year, with an average of 4.8h of sunshine.

What is the snowiest month?

The month with the most snowfall is March, when snow falls for 2.5 days and typically aggregates up to 2.13" (54mm) of snow.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.

When it does not snow in Lake Ronkonkoma?

April, June through September and November are months without snowfall.

What are the most humid months?

The months with the highest humidity are May and June, with an average relative humidity of 78%.

When are the longest days?

June has the longest days of the year, with an average of 15h and 6min of daylight.

When is the highest UV index in Lake Ronkonkoma?

The months with the highest UV index are June through August, with an average maximum UV index of 6.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 10.8h of sunshine.

What is the warmest month in Lake Ronkonkoma?

August, marked by an average high-temperature of 78.1°F (25.6°C) and a low-temperature of 71.8°F (22.1°C), is the warmest month.

What is the least humid month?

November is the least humid month, with an average relative humidity of 71%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 12.3 days and typically aggregates up to 3.74" (95mm) of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 18min of daylight.

Average temperature
Lake Ronkonkoma, NY

Average temperature - Lake Ronkonkoma, NY

The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is January (37.9°F).

The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure
Lake Ronkonkoma, NY

Average pressure - Lake Ronkonkoma, NY

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Lake Ronkonkoma, NY

Average wind speed - Lake Ronkonkoma, NY

The windiest month (with the highest average wind speed) is January (13.8mph).
The calmest months (with the lowest average wind speed) are July and August (9mph).

Average humidity
Lake Ronkonkoma, NY

Average humidity - Lake Ronkonkoma, NY

The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).

Average rainfall
Lake Ronkonkoma, NY

Average rainfall - Lake Ronkonkoma, NY

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days
Lake Ronkonkoma, NY

Average rainfall days - Lake Ronkonkoma, NY

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall
Lake Ronkonkoma, NY

Average snowfall - Lake Ronkonkoma, NY

The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, June, July, August, September and November (0").

Average snowfall days
Lake Ronkonkoma, NY

Average snowfall days - Lake Ronkonkoma, NY

The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Lake Ronkonkoma, NY

Average daylight / Average sunshine - Lake Ronkonkoma, NY

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days
Lake Ronkonkoma, NY

Average sunshine days - Lake Ronkonkoma, NY

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (11.3 days).

Average UV index
Lake Ronkonkoma, NY

Average UV index - Lake Ronkonkoma, NY

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).

Average visibility
Lake Ronkonkoma, NY

Average visibility - Lake Ronkonkoma, NY

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Lake Ronkonkoma, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location