May weather forecast
Newark, NJ

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A mirrored reflection of Newark City in New Jersey, on the Passaic River
A mirrored reflection of Newark City in New Jersey, on the Passaic River

Weather in May

Continuing its journey towards summer, May in Newark, New Jersey, USA, witnesses climate in full spring mode. As temperatures rise, the city experiences warm and pleasant weather, further enhanced by longer daytime hours. Compared to April, there is an increase in the amount of rainfall, averaging 2.95" (75mm). This increase in precipitation often results in radiant and vibrantly green landscapes, epitomizing spring in its prime. While May does not bring any snowfall, cooling winds, with a maximum speed of 8mph (12.9km/h), continue to influence the cityscape.

Temperature

Newark sees an increase in the average high-temperature with the arrival of May, moving from April's moderate 57.9°F (14.4°C) to an agreeable 68.2°F (20.1°C). May sees the temperature falling to a mean low of 53.4°F (11.9°C).

Humidity

The months with the highest humidity are February, May, October and December, with an average relative humidity of 76%.

Rainfall

In May, the rain falls for 17.1 days. Throughout May, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Newark, there are 161.1 rainfall days, and 30.67" (779mm) of precipitation is accumulated.

Snowfall

In Newark, New Jersey, snow does not fall in May through October.

Ocean temperature

In May, the average ocean temperature in Newark is 52.5°F (11.4°C).
Note: In 52.5°F (11.4°C), cold shock and rapid breathing can occur when swimming at temperatures below 50°F (10°C).

Daylight

In Newark, the average length of the day in May is 14h and 28min.
On the first day of May in Newark, sunrise is at 5:54 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:27 am and sunset at 8:21 pm EDT.

Sunshine

In Newark, the average sunshine in May is 8.8h.

UV index

In Newark, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In May, a regular UV index of 5 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
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Frequently asked questions

What are the temperatures in Newark in May?

The high-temperature, in May, in Newark, is 68.2°F (20.1°C), while the low-temperature averages to 53.4°F (11.9°C).

What is the most humid month in Newark?

The months with the highest humidity in Newark are February, May, October and December, with an average relative humidity of 76%.

What is the average humidity in May in Newark?

The average relative humidity in May is 76%.

How many days does it rain in May in Newark?

In Newark, in May, during 17.1 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When it does not snow in Newark?

May through October are months without snowfall.

Does it snow in Newark in May?

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

What is the water temperature in May in Newark?

In Newark, New Jersey, the average seawater temperature in May is 52.5°F (11.4°C). Swimming in 52.5°F (11.4°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

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

In Newark, New Jersey, the average day length in May is 14h and 28min.

When is the sunrise / sunset in May in Newark?

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, sunrise is at 5:27 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Newark have in May?

The average sunshine duration in May in Newark, New Jersey, is 8.8h.

How high is the UV index in May in Newark?

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
Newark, NJ

Average temperature in May - Newark, 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 (36.3°F).

  • Average low temperature in May: 53.4°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).

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Average pressure in May
Newark, NJ

Average pressure in May - Newark, 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).

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Average wind speed in May
Newark, NJ

Average wind speed in May - Newark, NJ
  • Average wind speed in May: 7.4mph

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.3mph).

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Average humidity in May
Newark, NJ

Average humidity in May - Newark, NJ
  • Average humidity in May: 76%

The months with the highest relative humidity are February, May, October and December (76%).
The months with the lowest relative humidity are April and August (72%).

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Average rainfall in May
Newark, NJ

Average rainfall in May - Newark, NJ
  • Average rainfall in May: 2.95"

The wettest months (with the highest rainfall) are July and December (3.19").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in May
Newark, NJ

Average rainfall days in May - Newark, NJ
  • Average rainfall days in May: 17.1 days

The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is November (9.5 days).

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Average snowfall in May
Newark, NJ

Average snowfall in May - Newark, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in May
Newark, NJ

Average snowfall days in May - Newark, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (6.1 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
Newark, NJ

Average sea temperature in May - Newark, 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).

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Average daylight in May /
Average sunshine in May
Newark, NJ

Average daylight in May / Average sunshine in May - Newark, 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 48min).

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Average sunshine days in May
Newark, NJ

Average sunshine days in May - Newark, NJ
  • Average sunshine days in May: 11.9 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in May
Newark, NJ

Average UV index in May - Newark, 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).

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Average cloud cover in May
Newark, NJ

Average cloud cover in May - Newark, 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).

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Average visibility in May
Newark, NJ

Average visibility in May - Newark, 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).

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Newark, New Jersey, USA

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