May weather forecast
Port Reading, NJ

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Weather in May

The last month of the spring, May, is a pleasant month in Port Reading, New Jersey, with temperature in the range of an average high of 68.2°F (20.1°C) and an average low of 54°F (12.2°C).

Temperature

With the onset of May, the average high-temperature slightly shifts from April's mild 58.3°F (14.6°C) to a pleasant 68.2°F (20.1°C). Port Reading, during the month of May, experiences an average low-temperature of 54°F (12.2°C).

Humidity

In Port Reading, the average relative humidity in May is 76%.

Rainfall

In Port Reading, in May, it is raining for 12.2 days, with typically 0.94" (24mm) of accumulated precipitation. Throughout the year, there are 110.2 rainfall days, and 8.9" (226mm) of precipitation is accumulated.

Snowfall

In Port Reading, snow does not fall in May through October.

Ocean temperature

In Port Reading, in May, the average water temperature is 52.5°F (11.4°C).
Note: To swim in 52.5°F (11.4°C) at less than 50°F (10°C), ensure you're well-protected. Without it, be prepared for a sudden jolt of cold and breathing issues. Remember, even 55.4°F (13°C) is not welcoming.

Daylight

In May, the average length of the day is 14h and 28min.
On the first day of May, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:21 pm EDT.

Sunshine

In Port Reading, the average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May in Port Reading is 5. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 5 during May leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Aug 26, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

The high-temperature during May is 68.2°F (20.1°C) and the low-temperature is 54°F (12.2°C).

What is the average humidity in May?

In May, the average relative humidity is 76%.

How much does it rain in May?

In Port Reading, during May, the rain falls for 12.2 days and regularly aggregates up to 0.94" (24mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

Does it snow in May?

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

What is the ocean temperature in May?

In May, the average ocean temperature is 52.5°F (11.4°C). Swimming in 52.5°F (11.4°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 May, the average day length is 14h and 28min.

What time are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, in Port Reading, sunrise is at 5:28 am and sunset at 8:21 pm EDT.

How long on average sun shines in May?

In May, the average sunshine duration is 8.8h.

What is the UV index intensity in May?

The average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
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
Port Reading, NJ

Average temperature in May - Port Reading, NJ
  • Average high temperature in May: 68.2°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in May: 54°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in May
Port Reading, NJ

Average pressure in May - Port Reading, NJ
  • Average pressure in May: 30.01"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in May
Port Reading, NJ

Average wind speed in May - Port Reading, NJ
  • Average wind speed in May: 7.5mph

The windiest months (with the highest average wind speed) are January and March (9.6mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

Average humidity in May
Port Reading, NJ

Average humidity in May - Port Reading, NJ
  • Average humidity in May: 76%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (72%).

Average rainfall in May
Port Reading, NJ

Average rainfall in May - Port Reading, NJ
  • Average rainfall in May: 0.94"

The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in May
Port Reading, NJ

Average rainfall days in May - Port Reading, NJ
  • Average rainfall days in May: 12.2 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is January (4.9 days).

Average snowfall in May
Port Reading, NJ

Average snowfall in May - Port Reading, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in May
Port Reading, NJ

Average snowfall days in May - Port Reading, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average sea temperature in May
Port Reading, NJ

Average sea temperature in May - Port Reading, NJ
  • Average sea temperature in May: 52.5°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 (39.7°F).

Average daylight in May /
Average sunshine in May
Port Reading, NJ

Average daylight in May / Average sunshine in May - Port Reading, NJ
  • Average daylight in May: 14h and 3min

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 May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
Port Reading, NJ

Average sunshine days in May - Port Reading, NJ
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is January (22.6 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in May
Port Reading, NJ

Average UV index in May - Port Reading, NJ
  • 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).

Average cloud cover in May
Port Reading, NJ

Average cloud cover in May - Port Reading, NJ
  • Average cloud cover in May: 44

The months with the most cloud cover are February, March and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 30).

Average visibility in May
Port Reading, NJ

Average visibility in May - Port Reading, NJ
  • 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).

Port Reading, New Jersey, USA

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