May weather forecast
Rockaway, NJ

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Weather in May

May, the last month of the spring in Rockaway, is a pleasant month, with an average temperature fluctuating between 68.5°F (20.3°C) and 50.5°F (10.3°C).

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from a moderate 57.9°F (14.4°C) to an agreeable 68.5°F (20.3°C). Nighttime temperature in Rockaway, New Jersey, dips to a mean of 50.5°F (10.3°C) during May.

Humidity

In May, the average relative humidity in Rockaway is 79%.

Rainfall

In Rockaway, in May, during 8.9 rainfall days, 0.67" (17mm) of precipitation is typically accumulated. In Rockaway, New Jersey, during the entire year, the rain falls for 81.9 days and collects up to 6.69" (170mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.2 snowfall days, in May, Rockaway aggregates 0.16" (4mm) of snow. In Rockaway, during the entire year, snow falls for 18.1 days and aggregates up to 2.68" (68mm) of snow.

Ocean temperature

In Rockaway, the average seawater temperature in May is 51.4°F (10.8°C).
Note: It is risky to swim in 51.4°F (10.8°C). Temperatures beneath 50°F (10°C) induce rapid cold shock and hyperventilation.

Daylight

In May, the average length of the day in Rockaway is 14h and 29min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:55 pm. On the last day of May, sunrise is at 5:28 am and sunset at 8:23 pm EDT.

Sunshine

The average sunshine in May is 8.2h.

UV index

In Rockaway, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 5 in May translates into these instructions:
Prioritize safety - Recommendations to avert sunburn are shared. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May in Rockaway?

An average high-temperature, in May, in Rockaway, is 68.5°F (20.3°C) and the average low-temperature is 50.5°F (10.3°C).

What is the average humidity in May in Rockaway?

In Rockaway, New Jersey, the average relative humidity in May is 79%.

How much does it rain in Rockaway in May?

In Rockaway, in May, it is raining for 8.9 days, with typically 0.67" (17mm) of accumulated precipitation.

What is the last month it snows in Rockaway?

May is the last month it regularly snows in Rockaway, New Jersey. During 0.2 snowfall days, in May, Rockaway aggregates 0.16" (4mm) of snow.

What is the ocean temperature in May in Rockaway?

In Rockaway, in May, the average water temperature is 51.4°F (10.8°C). Swimming in 51.4°F (10.8°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.

How many hours of daylight does Rockaway have in May?

In May, the average day length is 14h and 29min.

When are sunrise and sunset in May in Rockaway?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 7:55 pm. On the last day of the month, in Rockaway, sunrise is at 5:28 am and sunset at 8:23 pm EDT.

How many hours of sunshine does Rockaway have in May?

The average sunshine duration in May in Rockaway is 8.2h.

What is the UV index reading in May in Rockaway?

In May, the average daily maximum UV index in Rockaway, New Jersey, 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
Rockaway, NJ

Average temperature in May - Rockaway, NJ
  • Average high temperature in May: 68.5°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in May: 50.5°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).

Average pressure in May
Rockaway, NJ

Average pressure in May - Rockaway, 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
Rockaway, NJ

Average wind speed in May - Rockaway, NJ
  • Average wind speed in May: 6.3mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in May
Rockaway, NJ

Average humidity in May - Rockaway, NJ
  • Average humidity in May: 79%

The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (75%).

Average rainfall in May
Rockaway, NJ

Average rainfall in May - Rockaway, NJ
  • Average rainfall in May: 0.67"

The wettest month (with the highest rainfall) is July (0.79").
The driest month (with the least rainfall) is September (0.16").

Average rainfall days in May
Rockaway, NJ

Average rainfall days in May - Rockaway, NJ
  • Average rainfall days in May: 8.9 days

The month with the highest number of rainy days is July (9.5 days).
The month with the least rainy days is February (4 days).

Average snowfall in May
Rockaway, NJ

Average snowfall in May - Rockaway, NJ
  • Average snowfall in May: 0.16"

The month with the highest snowfall is March (0.79").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in May
Rockaway, NJ

Average snowfall days in May - Rockaway, NJ
  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in May
Rockaway, NJ

Average sea temperature in May - Rockaway, NJ
  • Average sea temperature in May: 51.4°F

The best month for swimming (with the highest average sea temperature) is August (74.4°F).
The coldest month (with the lowest average sea temperature) is February (39.3°F).

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

Average daylight in May / Average sunshine in May - Rockaway, NJ
  • 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 1min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in May
Rockaway, NJ

Average sunshine days in May - Rockaway, NJ
  • Average sunshine days in May: 19 days

The month with the most sunshine days is November (24.5 days).
The month with the least sunshine days is July (18.3 days).

Average UV index in May
Rockaway, NJ

Average UV index in May - Rockaway, NJ
  • Average UV index in May: 5

The months with the highest UV index are June and July (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
Rockaway, NJ

Average cloud cover in May - Rockaway, NJ
  • Average cloud cover in May: 50

The months with the most cloud cover are February and March (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in May
Rockaway, NJ

Average visibility in May - Rockaway, NJ
  • Average visibility in May: 5mi

The months with the highest visibility are January, March, April, November and December (6mi).
The months with the lowest visibility are February, May, June, July, August, September and October (5mi).

Rockaway, New Jersey, USA

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