Climate and monthly weather forecastLake Success, NY

Climate and monthly weather forecast

Weather in January

January, like December, in Lake Success, New York, is an icy winter month, with temperature in the range of an average low of 27.7°F (-2.4°C) and an average high of 36.9°F (2.7°C). With its high average temperature of 36.9°F (2.7°C) and a low of 27.7°F (-2.4°C), January is regarded as the coldest month. Weather in January »

Weather in February

February, the last month of the winter in Lake Success, is also a wintry month, with temperature in the range of an average high of 39.2°F (4°C) and an average low of 28.9°F (-1.7°C). The arrival of February denotes a barely perceptible change in the average high-temperatures to a still cold 39.2°F (4°C) from January's 36.9°F (2.7°C). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Lake Success, New York, with an average temperature varying between 45.3°F (7.4°C) and 35.2°F (1.8°C). March's arrival sees a mild rise in the average high-temperature, transitioning from February's icy 39.2°F (4°C) to a frosty 45.3°F (7.4°C). Weather in March »

Weather in April

April in Lake Success, New York, is a moderate spring month, with an average temperature fluctuating between 55.9°F (13.3°C) and 44.6°F (7°C). Lake Success's transition into April sees a rise in the average high-temperature, advancing from a frosty 45.3°F (7.4°C) in March to a refreshing 55.9°F (13.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Lake Success, New York, with temperature in the range of an average low of 54.3°F (12.4°C) and an average high of 65.8°F (18.8°C). May's onset brings a rise in the average high-temperature, moving from 55.9°F (13.3°C) in April to a still refreshing 65.8°F (18.8°C). Weather in May »

Weather in June

June, the first month of the summer in Lake Success, is a moderately hot month, with an average temperature fluctuating between 63.1°F (17.3°C) and 74.8°F (23.8°C). The onset of June brings a rise in the average high-temperature, elevating from a comfortable 65.8°F (18.8°C) in May to a warm 74.8°F (23.8°C). Weather in June »

Weather in July

July, like June, in Lake Success, New York, is another warm summer month, with an average temperature ranging between min 70.3°F (21.3°C) and max 81.9°F (27.7°C). Lake Success's warmest temperatures are experienced in July, with average high temperatures of 81.9°F (27.7°C) and lows of 70.3°F (21.3°C). The heat index value during July is evaluated at a tropical 86°F (30°C). Weather in July »

Weather in August

August, the last month of the summer in Lake Success, is also a moderately hot month, with an average temperature varying between 80.6°F (27°C) and 70.2°F (21.2°C). The commencement of August records an average high-temperature of a still moderately hot 80.6°F (27°C), barely varying from July's 81.9°F (27.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Lake Success, is still a warm month, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 63.5°F (17.5°C). The arrival of September corresponds with a light shift in temperature, down from 80.6°F (27°C) in August to a still moderately hot 73.8°F (23.2°C). Weather in September »

Weather in October

October, the same as September, is another enjoyable autumn month in Lake Success, New York, with an average temperature ranging between min 53.4°F (11.9°C) and max 63°F (17.2°C). A shift in Lake Success's weather is observed as September turns into October, with the average high temperature reducing from a moderately hot 73.8°F (23.2°C) to an enjoyable 63°F (17.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Lake Success, New York, with an average temperature varying between 42.3°F (5.7°C) and 51.8°F (11°C). In Lake Success, the average high-temperature in November decreases from an enjoyable 63°F (17.2°C) in October to a fresh 51.8°F (11°C). Weather in November »

Weather in December

December, the first month of the winter in Lake Success, is also an icy month, with an average temperature fluctuating between 34.5°F (1.4°C) and 42.4°F (5.8°C). Transition into December marks a drop in the average high-temperature, moving from a cool 51.8°F (11°C) in November to a wintry 42.4°F (5.8°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The month of January sees the average lowest temperatures in Lake Success, reaching 36.9°F (2.7°C) at the peak and 27.7°F (-2.4°C) at the low.

January is the month with the least rainfall. Rain falls for 7.8 days and accumulates 2.05" (52mm) of precipitation.

Throughout the year, there are 155.6 rainfall days, and 34.72" (882mm) of precipitation is accumulated.

Months with snowfall in Lake Success are January through April, November and December.

In Lake Success, during the entire year, snow falls for 15 days and aggregates up to 5.39" (137mm) of snow.

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

The months with the highest humidity in Lake Success are February, May and December, with an average relative humidity of 75%.

The month with the least sunshine in Lake Success is February, with an average of 4.8h of sunshine.

The month with the most snowfall in Lake Success is March, when snow falls for 2.7 days and typically aggregates up to 1.85" (47mm) of snow.

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Lake Success, 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.

In Lake Success, New York, snow does not fall in May through October.

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

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

The warmest period is July, when temperatures fluctuate between an average high of 81.9°F (27.7°C) and a low of 70.3°F (21.3°C).

The month with the most rainfall in Lake Success, New York, is July, when the rain falls for 17.9 days and typically aggregates up to 4.02" (102mm) of precipitation.

With an average of 10.8h of sunshine, July has the most sunshine of the year in Lake Success.

August and November, with an average relative humidity of 71%, are the least humid months.

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

Average temperature
Lake Success, NY

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (36.9°F).

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure
Lake Success, NY

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed
Lake Success, NY

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).

Average humidity
Lake Success, NY

The months with the highest relative humidity are February, May and December (75%).
The months with the lowest relative humidity are August and November (71%).

Average rainfall
Lake Success, NY

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days
Lake Success, NY

The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is January (7.8 days).

Average snowfall
Lake Success, NY

The month with the highest snowfall is March (1.85").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days
Lake Success, NY

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight / Average sunshine
Lake Success, 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 Success, NY

The months with the most sunshine days are January and November (19.7 days).
The month with the least sunshine days is July (11 days).

Average UV index
Lake Success, 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, November and December (UV index 2).

Average cloud cover
Lake Success, NY

The month with the most cloud cover is December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility
Lake Success, 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).