May weather forecast and climate
Newark, NJ

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
May, the last month of the spring, in Newark, is a pleasant month, with average temperature fluctuating between 53.4°F (11.9°C) and 68.2°F (20.1°C).

Temperature

In May, the average high-temperature rises, from a mild 57.9°F (14.4°C) in April, to an agreeable 68.2°F (20.1°C). The average low-temperature, in May, is 53.4°F (11.9°C).

Humidity

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

Rainfall

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

Snowfall

In Newark snow does not fall through October.

Ocean temperature

In Newark, the average seawater temperature is 52.5°F (11.4°C).
Note: 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.

Daylight

In Newark, the average length of the day is 14.5h.

Sunshine

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

UV index

In May, the average daily maximum UV index in Newark is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to the UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in May in Newark?

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

What is the most humid month in Newark?

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

What is the average humidity in May in Newark?

The average relative humidity in May in Newark 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.

Does it snow in Newark in May?

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

When it does not snow in Newark?

In Newark snow does not fall in May through October.

What is the water temperature in May in Newark?

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 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, the average length of the day in May is 14.5h.

How long on average sun shines in May in Newark?

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

What is the UV index intensity in May in Newark?

In May, the average daily maximum UV index in Newark, New Jersey, is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to the UV radiation.
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: 30.01"

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

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: 76%

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

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: 17.1 days

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: 0"

The month with the highest snowfall is March (3.46").
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: 0 days

The month with the highest number of snowfall days is January (6.1 days).
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: 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: 14.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in May: 8.8h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

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: 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).

Average cloud cover in May - Newark, NJ
  • Average cloud cover in May: 44

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

Average visibility in May - Newark, NJ
  • 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).