Climate and monthly weather forecastHewlett Harbor, NY
Climate and monthly weather forecast
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
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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.
Throughout the year, in Hewlett Harbor, there are 135.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.
Months with snowfall in Hewlett Harbor are January through March, October through December.
In Hewlett Harbor, during the entire year, snow falls for 15.8 days and aggregates up to 2.95" (75mm) of snow.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
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).
With an average of 4.8h of sunshine, February has the least sunshine of the year in Hewlett Harbor, New York.
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.
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.
In Hewlett Harbor, snow does not fall in April through September.
May is the most humid month in Hewlett Harbor, New York, with an average relative humidity of 77%.
The month with the longest days in Hewlett Harbor is June, with an average of 15h and 0min of daylight.
The months with the highest UV index are June through August, with an average maximum UV index of 6.
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).
The months with the most rainfall are July and August, with an average 2.32" (59mm) of precipitation.
With an average of 10.8h of sunshine, July has the most sunshine of the year in Hewlett Harbor, New York.
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.
The least humid month in Hewlett Harbor, New York, is November, with an average relative humidity of 72%.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
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 in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
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 in January:
12.4mph - Average wind speed in February:
12mph - Average wind speed in March:
11.7mph - Average wind speed in April:
10.7mph - Average wind speed in May:
9.1mph - Average wind speed in June:
8.4mph
- Average wind speed in July:
8mph - Average wind speed in August:
8.2mph - Average wind speed in September:
9.1mph - Average wind speed in October:
11.1mph - Average wind speed in November:
11.6mph - Average wind speed in December:
11.9mph
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
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 in January:
0.91" - Average rainfall in February:
0.98" - Average rainfall in March:
1.3" - Average rainfall in April:
1.46" - Average rainfall in May:
1.65" - Average rainfall in June:
1.61"
- Average rainfall in July:
2.32" - Average rainfall in August:
2.32" - Average rainfall in September:
1.38" - Average rainfall in October:
1.61" - Average rainfall in November:
1.42" - Average rainfall in December:
1.65"
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 in January:
7.3 days - Average rainfall days in February:
7.8 days - Average rainfall days in March:
10.1 days - Average rainfall days in April:
12.8 days - Average rainfall days in May:
14.3 days - Average rainfall days in June:
12.4 days
- Average rainfall days in July:
15.1 days - Average rainfall days in August:
13.6 days - Average rainfall days in September:
12.4 days - Average rainfall days in October:
11.4 days - Average rainfall days in November:
7.4 days - Average rainfall days in December:
10.7 days
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
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 in January:
4.6 days - Average snowfall days in February:
4.3 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.1 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.6 days - Average snowfall days in December:
2.8 days
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
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 in January:
9h and 42min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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).
- Average sunshine in January:
5h and 6min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 30min - Average sunshine in April:
8h and 36min - Average sunshine in May:
8h and 54min - Average sunshine in June:
10h and 6min
- Average sunshine in July:
10h and 48min - Average sunshine in August:
10h and 36min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 54min - Average sunshine in November:
5h and 36min - Average sunshine in December:
5h and 0min
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 in January:
19.8 days - Average sunshine days in February:
17 days - Average sunshine days in March:
17.6 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
14.5 days - Average sunshine days in June:
15.4 days
- Average sunshine days in July:
13.6 days - Average sunshine days in August:
15.4 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19.3 days - Average sunshine days in December:
16.9 days
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
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
Hewlett Harbor, NY
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).
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).
