Climate and monthly weather forecast
Hewlett Harbor, NY

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Weather in January

January, the same as December, is a wintry winter month in Hewlett Harbor, New York, with temperature in the range of an average low of 28.2°F (-2.1°C) and an average high of 37°F (2.8°C). January proves to be the coldest month, recording an average maximum temperature of 37°F (2.8°C) and a minimum temperature of 28.2°F (-2.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Hewlett Harbor, New York, with an average temperature fluctuating between 39.4°F (4.1°C) and 29.8°F (-1.2°C). As February unfolds, the average high-temperature reaches a still cold 39.4°F (4.1°C), hinting at a slight fluctuation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Hewlett Harbor, New York, with an average temperature varying between 36°F (2.2°C) and 45.1°F (7.3°C). Hewlett Harbor in March denotes a subtle temperature transition, adjusting from an average high of an icy 39.4°F (4.1°C) in February to a chilly 45.1°F (7.3°C). Weather in March »

Weather in April

April is a fresh spring month in Hewlett Harbor, New York, with an average temperature ranging between max 54.7°F (12.6°C) and min 45.1°F (7.3°C). Hewlett Harbor's April weather shows an increase in high-temperatures, moving from March's chilly 45.1°F (7.3°C) to a fresh 54.7°F (12.6°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Hewlett Harbor, New York, with temperature in the range of an average high of 64.6°F (18.1°C) and an average low of 54.1°F (12.3°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a cool 54.7°F (12.6°C) in April to an enjoyable 64.6°F (18.1°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Hewlett Harbor, New York, with an average temperature ranging between max 73.2°F (22.9°C) and min 63.9°F (17.7°C). With the onset of June, Hewlett Harbor observes a minor temperature ascent, with the average high-temperature adjusting from May's comfortable 64.6°F (18.1°C) to an agreeable 73.2°F (22.9°C). Weather in June »

Weather in July

July in Hewlett Harbor, New York, is a warm summer month, with an average temperature ranging between max 80.6°F (27°C) and min 70.9°F (21.6°C). Hewlett Harbor's July weather, marked by an average high temperature of 80.6°F (27°C) and an average low temperature of 70.9°F (21.6°C), is the warmest in the year. The heat index value for July is estimated at 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hewlett Harbor, New York, with temperature in the range of an average high of 79.9°F (26.6°C) and an average low of 71.1°F (21.7°C). August's arrival brings an average high-temperature of a still moderately hot 79.9°F (26.6°C), slightly deviating from July's 80.6°F (27°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Hewlett Harbor, New York, with an average temperature varying between 64.2°F (17.9°C) and 73.2°F (22.9°C). In Hewlett Harbor, entering September brings a subtle temperature decrement, reducing from August's moderately hot 79.9°F (26.6°C) to a pleasant 73.2°F (22.9°C). Weather in September »

Weather in October

October, like September, in Hewlett Harbor, New York, is another refreshing autumn month, with an average temperature varying between 63°F (17.2°C) and 54.1°F (12.3°C). The start of October comes with a reduction in the average high-temperature, receding from a pleasant 73.2°F (22.9°C) in September to an enjoyable 63°F (17.2°C). Weather in October »

Weather in November

November, the last month of the autumn in Hewlett Harbor, is another cool month, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 51.6°F (10.9°C). A change in temperatures is noted as October gives way to November, with average highs reducing from a comfortable 63°F (17.2°C) to a cool 51.6°F (10.9°C). Weather in November »

Weather in December

The first month of the winter, December, is still a chilly month in Hewlett Harbor, New York, with an average temperature ranging between min 36°F (2.2°C) and max 43.5°F (6.4°C). A moderate decline in average high-temperatures is noted in December, moving from a cool 51.6°F (10.9°C) in November to a frosty 43.5°F (6.4°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest in Hewlett Harbor?

Hewlett Harbor's temperature records reveal January as the coldest month, marked by average highs of 37°F (2.8°C) and lows of 28.2°F (-2.1°C).

What is the driest month in Hewlett Harbor?

The month with the least rainfall in Hewlett Harbor is January, when the rain falls for 7.3 days and typically collects 0.91" (23mm) of precipitation.

How much does it rain in Hewlett Harbor?

Throughout the year, in Hewlett Harbor, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

When does it snow in Hewlett Harbor?

Months with snowfall in Hewlett Harbor are January through March, October through December.

How many days does it snow in Hewlett Harbor?

In Hewlett Harbor, during the entire year, snow falls for 15.8 days and aggregates up to 2.95" (75mm) of snow.

What is the month with the lowest UV index in Hewlett Harbor?

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

What month is the ocean coldest in Hewlett Harbor?

The month with the coldest seawater in Hewlett Harbor, New York, is February, with an average ocean temperature of 39.9°F (4.4°C).

What is the month with the least sunshine in Hewlett Harbor?

With an average of 4.8h of sunshine, February has the least sunshine of the year in Hewlett Harbor, New York.

What is the snowiest month in Hewlett Harbor?

The month with the most snowfall in Hewlett Harbor is March, when snow falls for 3.3 days and typically aggregates up to 1.02" (26mm) of snow.

When is Daylight Saving Time (DST) in Hewlett Harbor?

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 Hewlett Harbor?

In Hewlett Harbor, snow does not fall in April through September.

What is the most humid month in Hewlett Harbor?

May is the most humid month in Hewlett Harbor, New York, with an average relative humidity of 77%.

When are the longest days in Hewlett Harbor?

The month with the longest days in Hewlett Harbor is June, with an average of 15h and 0min of daylight.

What is the month with the highest UV index in Hewlett Harbor?

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

What time of the year is the hottest in Hewlett Harbor?

In Hewlett Harbor, the peak temperatures are generally noted in July, averaging a high of 80.6°F (27°C) and a low of 70.9°F (21.6°C).

What is the wettest month in Hewlett Harbor?

The months with the most rainfall are July and August, with an average 2.32" (59mm) of precipitation.

What month has the most sunshine in Hewlett Harbor?

With an average of 10.8h of sunshine, July has the most sunshine of the year in Hewlett Harbor, New York.

What is the month with the warmest ocean in Hewlett Harbor?

With an average ocean temperature of 74.1°F (23.4°C), August is the month with the warmest seawater in Hewlett Harbor, New York.

What is the least humid month in Hewlett Harbor?

The least humid month in Hewlett Harbor, New York, is November, with an average relative humidity of 72%.

What is the month with the shortest days in Hewlett Harbor?

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

Average temperature
Hewlett Harbor, NY

Average temperature - Hewlett Harbor, NY

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (37°F).

The month with the highest average low temperature is August (71.1°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).

Average pressure
Hewlett Harbor, NY

Average pressure - Hewlett Harbor, 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
Hewlett Harbor, NY

Average wind speed - Hewlett Harbor, NY

The windiest month (with the highest average wind speed) is January (12.4mph).
The calmest month (with the lowest average wind speed) is July (8mph).

Average humidity
Hewlett Harbor, NY

Average humidity - Hewlett Harbor, NY

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (72%).

Average rainfall
Hewlett Harbor, NY

Average rainfall - Hewlett Harbor, NY

The wettest months (with the highest rainfall) are July and August (2.32").
The driest month (with the least rainfall) is January (0.91").

Average rainfall days
Hewlett Harbor, NY

Average rainfall days - Hewlett Harbor, NY

The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (7.3 days).

Average snowfall
Hewlett Harbor, NY

Average snowfall - Hewlett Harbor, NY

The month with the highest snowfall is March (1.02").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days
Hewlett Harbor, NY

Average snowfall days - Hewlett Harbor, NY

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

Average sea temperature
Hewlett Harbor, NY

Average sea temperature - Hewlett Harbor, NY

The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).

Average daylight / Average sunshine
Hewlett Harbor, NY

Average daylight / Average sunshine - Hewlett Harbor, NY

The month with the longest days is June (Average daylight: 15h and 0min).
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
Hewlett Harbor, NY

Average sunshine days - Hewlett Harbor, NY

The month with the most sunshine days is January (19.8 days).
The month with the least sunshine days is July (13.6 days).

Average UV index
Hewlett Harbor, NY

Average UV index - Hewlett Harbor, 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 visibility
Hewlett Harbor, NY

Average visibility - Hewlett Harbor, 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).

Hewlett Harbor, New York, USA

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