May weather forecast
Northport, NY

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Weather in May

The last month of the spring, May, is a refreshing month in Northport, New York, with an average temperature fluctuating between 54.1°F (12.3°C) and 63.7°F (17.6°C).

Temperature

The arrival of May brings an increase in high-temperatures, moving from a fresh 54°F (12.2°C) in April to an enjoyable 63.7°F (17.6°C). Throughout the nights in May, Northport experiences an average low-temperature of 54.1°F (12.3°C).

Humidity

The months with the highest humidity in Northport are May and June, with an average relative humidity of 76%.

Rainfall

In Northport, during May, the rain falls for 16.3 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.

Snowfall

In Northport, snow does not fall in May through October.

Ocean temperature

In Northport, in May, the average water temperature is 53.4°F (11.9°C).
Note: It is risky to swim in 53.4°F (11.9°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

In May, the average length of the day is 14h and 29min.
On the first day of May, sunrise is at 5:50 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:18 pm EDT.

Sunshine

In Northport, the average sunshine in May is 8.9h.

UV index

In Northport, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 5 during May translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Around midday, solar radiation is most harmful; hence, exposure should be limited. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
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Frequently asked questions

What are the temperatures in Northport in May?

The high-temperature, in May, in Northport, is 63.7°F (17.6°C), while the low-temperature averages to 54.1°F (12.3°C).

What is the most humid month in Northport?

May and June, with an average relative humidity of 76%, are most humid months in Northport.

What is the average humidity in May in Northport?

The average relative humidity in May in Northport is 76%.

How much does it rain in Northport in May?

In May, in Northport, the rain falls for 16.3 days. Throughout May, 2.95" (75mm) of precipitation is accumulated.

When it does not snow in Northport?

In Northport, snow does not fall in May through October.

Does it snow in Northport in May?

In May, in Northport, it doesn't snow. April is the latest month when it typically snows.

How cold is the water in May in Northport?

In Northport, New York, in May, the average water temperature is 53.4°F (11.9°C). Swimming in 53.4°F (11.9°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in May in Northport?

In May, the average day length in Northport, New York, is 14h and 29min.

When are sunrise and sunset in May in Northport?

On the first day of May in Northport, New York, sunrise is at 5:50 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 5:23 am and sunset at 8:18 pm EDT.

How long on average sun shines in May in Northport?

The average sunshine duration in May in Northport, New York, is 8.9h.

What is the UV index reading in May in Northport?

In May, the average daily maximum UV index in Northport, New York, is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Northport, NY

Average temperature in May - Northport, NY
  • Average high temperature in May: 63.7°F

The warmest month (with the highest average high temperature) is July (80.1°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 July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).

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Average pressure in May
Northport, NY

Average pressure in May - Northport, NY
  • Average pressure in May: 30.01"Hg

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

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Average wind speed in May
Northport, NY

Average wind speed in May - Northport, NY
  • Average wind speed in May: 8.9mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).

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Average humidity in May
Northport, NY

Average humidity in May - Northport, NY
  • Average humidity in May: 76%

The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in May
Northport, NY

Average rainfall in May - Northport, NY
  • Average rainfall in May: 2.95"

The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").

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Average rainfall days in May
Northport, NY

Average rainfall days in May - Northport, NY
  • Average rainfall days in May: 16.3 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).

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Average snowfall in May
Northport, NY

Average snowfall in May - Northport, NY
  • Average snowfall in May: 0"

The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Northport, NY

Average snowfall days in May - Northport, NY
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average sea temperature in May
Northport, NY

Average sea temperature in May - Northport, NY
  • Average sea temperature in May: 53.4°F

The best month for swimming (with the highest average sea temperature) is August (74°F).
The coldest month (with the lowest average sea temperature) is February (39.7°F).

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Average daylight in May /
Average sunshine in May
Northport, NY

Average daylight in May / Average sunshine in May - Northport, NY
  • Average daylight in May: 14h and 3min

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).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in May
Northport, NY

Average sunshine days in May - Northport, NY
  • Average sunshine days in May: 13.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).

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Average UV index in May
Northport, NY

Average UV index in May - Northport, NY
  • Average UV index in May: 5

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).

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Average cloud cover in May
Northport, NY

Average cloud cover in May - Northport, NY
  • Average cloud cover in May: 42

The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).

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Average visibility in May
Northport, NY

Average visibility in May - Northport, NY
  • Average visibility in May: 6mi

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).

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Northport, New York, USA

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