May weather forecast and climate
Rockaway, NJ

Weather in May

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

Temperature

In Rockaway, the average high-temperature in May rises, from a mild 57.9°F (14.4°C) in April, to an agreeable 68.5°F (20.3°C). The average low-temperature, in Rockaway, is 50.5°F (10.3°C).

Humidity

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

Rainfall

In May, in Rockaway, the rain falls for 8.9 days. Throughout May, 0.67" (17mm) of precipitation is accumulated. In Rockaway, 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 in Rockaway. May is the last month it regularly snows. During 0.2 snowfall days, Rockaway aggregates 0.16" (4mm) of snow. Throughout the year, there are 18.1 snowfall days, and 2.68" (68mm) of snow is accumulated.

Ocean temperature

In Rockaway, the average seawater temperature is 51.4°F (10.8°C).
Note: Swimming in 51.4°F (10.8°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

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

Sunshine

In May, the average sunshine in Rockaway is 8.2h.

UV index

In May, the average daily maximum UV index in Rockaway is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in May in Rockaway?

The average high-temperature, in May, is 68.5°F (20.3°C), while 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 many days does it rain in May in Rockaway?

In May, in Rockaway, the rain falls for 8.9 days. Throughout May, 0.67" (17mm) of precipitation is accumulated.

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 May, the average ocean 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.

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

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

How long on average sun shines in May in Rockaway?

In May, the average sunshine is 8.2h.

What is the UV index reading in May in Rockaway?

In Rockaway, New Jersey, 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 the Sun's UV rays.

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).

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Average pressure in May
Rockaway, NJ

Average pressure in May - Rockaway, 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").

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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).

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Average humidity in May
Rockaway, NJ

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

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

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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").

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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).

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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").
Months with the least snowfall are June, July, August and September (0").

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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).
Months with the least snowfall days are June, July, August and September (0 days).

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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).

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

Average daylight in May / Average sunshine in May - Rockaway, 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: 8.2h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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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).

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Average UV index in May
Rockaway, NJ

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

Months with the highest UV index are June and July (UV index 6).
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
Rockaway, NJ

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

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

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Average visibility in May
Rockaway, NJ

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

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

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