May weather forecast and climate
Hewlett Bay Park, NY

Weather in May

The last month of the spring, May, is a comfortable month in Hewlett Bay Park, New York, with average temperature fluctuating between 64.6°F (18.1°C) and 54.1°F (12.3°C).

Temperature

In May, the average high-temperature increases, from a cool 54.7°F (12.6°C) in April, to an enjoyable 64.6°F (18.1°C). The average low-temperature, in May, is 54.1°F (12.3°C).

Humidity

The most humid month in Hewlett Bay Park is May, with an average relative humidity of 77%.

Rainfall

In May, in Hewlett Bay Park, the rain falls for 14.3 days. Throughout May, 1.65" (42mm) of precipitation is accumulated. In Hewlett Bay Park, during the entire year, the rain falls for 135.3 days and collects up to 18.62" (473mm) of precipitation.

Snowfall

In Hewlett Bay Park snow does not fall in April through September.

Ocean temperature

In Hewlett Bay Park, New York, the average water temperature is 54.1°F (12.3°C).
Note: Swimming in 54.1°F (12.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In May, the average length of the day in Hewlett Bay Park is 14.5h.

Sunshine

In May, the average sunshine is 8.9h.

UV index

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Hewlett Bay Park?

In May, in Hewlett Bay Park, the average high-temperature is 64.6°F (18.1°C), and the average low-temperature is 54.1°F (12.3°C).

What is the most humid month in Hewlett Bay Park?

The most humid month is May, with an average relative humidity of 77%.

What is the average humidity in May in Hewlett Bay Park?

In Hewlett Bay Park, the average relative humidity in May is 77%.

How many days does it rain in May in Hewlett Bay Park?

In Hewlett Bay Park, in May, during 14.3 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

When it does not snow in Hewlett Bay Park?

April through September are months without snowfall in Hewlett Bay Park, New York.

What is the water temperature in May in Hewlett Bay Park?

In May, the average ocean temperature in Hewlett Bay Park, New York, is 54.1°F (12.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the average length of the day in May in Hewlett Bay Park?

In Hewlett Bay Park, the average length of the day in May is 14.5h.

How many hours of sunshine does Hewlett Bay Park have in May?

The average sunshine in May is 8.9h.

What is the UV index intensity in May in Hewlett Bay Park?

In Hewlett Bay Park, New York, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Hewlett Bay Park, NY

Average temperature in May - Hewlett Bay Park, NY
  • Average high temperature in May: 64.6°F

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).

  • Average low temperature in May: 54.1°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).

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Average pressure in May
Hewlett Bay Park, NY

Average pressure in May - Hewlett Bay Park, NY
  • Average pressure in May: 30.01"

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

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Average wind speed in May
Hewlett Bay Park, NY

Average wind speed in May - Hewlett Bay Park, NY
  • Average wind speed in May: 9.1mph

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).

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Average humidity in May
Hewlett Bay Park, NY

Average humidity in May - Hewlett Bay Park, NY
  • Average humidity in May: 77%

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

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Average rainfall in May
Hewlett Bay Park, NY

Average rainfall in May - Hewlett Bay Park, NY
  • Average rainfall in May: 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").

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Average rainfall days in May
Hewlett Bay Park, NY

Average rainfall days in May - Hewlett Bay Park, NY
  • Average rainfall days in May: 14.3 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).

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Average snowfall in May
Hewlett Bay Park, NY

Average snowfall in May - Hewlett Bay Park, NY
  • Average snowfall in May: 0"

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

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Average snowfall days in May
Hewlett Bay Park, NY

Average snowfall days in May - Hewlett Bay Park, NY
  • Average snowfall days in May: 0 days

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

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Average sea temperature in May
Hewlett Bay Park, NY

Average sea temperature in May - Hewlett Bay Park, NY
  • Average sea temperature in May: 54.1°F

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).

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Average daylight in May /
Average sunshine in May
Hewlett Bay Park, NY

Average daylight in May / Average sunshine in May - Hewlett Bay Park, NY
  • Average daylight in May: 14.5h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is July (Average sunshine: 10.8h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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Average sunshine days in May
Hewlett Bay Park, NY

Average sunshine days in May - Hewlett Bay Park, NY
  • Average sunshine days in May: 14.5 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).

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Average UV index in May
Hewlett Bay Park, NY

Average UV index in May - Hewlett Bay Park, NY
  • Average UV index in May: 5

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

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Average cloud cover in May
Hewlett Bay Park, NY

Average cloud cover in May - Hewlett Bay Park, NY
  • Average cloud cover in May: 42

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).

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Average visibility in May
Hewlett Bay Park, NY

Average visibility in May - Hewlett Bay Park, NY
  • Average visibility in May: 6mi

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

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