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

In Newark, stepping into May brings a temperature increase, moving up from April's mild 57.9°F (14.4°C) to an agreeable 68.2°F (20.1°C). An average low-temperature of 53.4°F (11.9°C) is observed during the May nights.

Humidity

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

Rainfall

In Newark, during May, the rain falls for 17.1 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Newark, during the entire year, the rain falls for 161.1 days and collects up to 30.67" (779mm) of precipitation.

Snowfall

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

Ocean temperature

In Newark, New Jersey, the average seawater temperature in May 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

The average length of the day in May 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 5:27 am and sunset at 8:21 pm EDT.

Sunshine

The average sunshine in May is 8.8h.

UV index

The average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: An average maximum UV index of 5 in May leads to these recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Jul 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Newark in May?

In Newark, 68.2°F (20.1°C) is the average high-temperature and 53.4°F (11.9°C) is the average low-temperature during May.

What are the most humid months?

February, May, October and December, with an average relative humidity of 76%, are most humid months.

What is the average humidity in May?

In May, the average relative humidity is 76%.

How many days does it rain in May?

In May, the rain falls for 17.1 days. Throughout May, 2.95" (75mm) of precipitation is accumulated.

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.

How cold is the water in May?

In Newark, the average seawater temperature in May 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?

The average day length in May is 14h and 28min.

When is the sunrise / sunset in May?

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

How many hours of sunshine does Newark have in May?

In May, the average sunshine duration is 8.8h.

What is the UV index intensity in May in Newark?

In Newark, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

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).

Newark, New Jersey, USA

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