Ocean City
New Jersey, USA
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Ocean City, NJ

May, the last month of the spring, in Ocean City, is an agreeable month, with average temperature ranging between min 51.8°F (11°C) and max 69.8°F (21°C).

Temperature

In May, the average high-temperature rises, from a moderate 59°F (15°C) in April, to an agreeable 69.8°F (21°C). The average low-temperature, in Ocean City, is 51.8°F (11°C).

Rainfall

In Ocean City, during May, the rain falls for 10 days and regularly aggregates up to 3.2" (82mm) of precipitation. Throughout the year, there are 112 rainfall days, and 39.1" (994mm) of precipitation is accumulated.

Ocean temperature

In Ocean City, the average water temperature is 55.9°F (13.3°C). Swimming in 55.9°F (13.3°C) is considered dangerous. Unprotected immersion in temperatures below 50°F (10°C) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

In Ocean City, New Jersey, the average length of the day is 14.4h.

Sunshine

In Ocean City, the average sunshine is 8h.

UV index

The average daily maximum UV index in May is 8. A UV Index reading of 8 to 10 represents a very high threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
The daily maximum UV index of 8 interpret into the following advice:
Take extra precautions. Protection against sun damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in May in Ocean City?

In Ocean City, in May, the average high-temperature is 69.8°F (21°C), and the average low-temperature is 51.8°F (11°C).

How much does it rain in Ocean City in May?

In Ocean City, New Jersey, in May, it is raining for 10 days, with typically 3.2" (82mm) of accumulated precipitation.

How cold is the water in May in Ocean City?

In Ocean City, the average seawater temperature in May is 55.9°F (13.3°C). Swimming in 55.9°F (13.3°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 Ocean City?

In Ocean City, the average length of the day in May is 14.4h.

How long on average sun shines in May in Ocean City?

The average sunshine in May is 8h.

What is the UV index intensity in May in Ocean City?

In Ocean City, the average daily maximum UV index in May is 8. A UV Index value of 8 to 10 symbolizes a very high health vulnerability from unsafe exposure to the Sun's UV rays.
Average temperature in May - Ocean City, NJ
  • Average high temperature in May: 70°F

Warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in May: 52°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average rainfall in May - Ocean City, NJ
  • Average rainfall in May: 3.2"

The wettest month (with the highest rainfall) is August (4.1").
The driest month (with the lowest rainfall) is June (2.6").

Average rainfall days in May - Ocean City, NJ
  • Average rainfall days in May: 10 days

The month with the highest number of rainy days is January (11 days).
The month with the lowest number of rainy days is October (7 days).

Average sea temperature in May - Ocean City, NJ
  • Average sea temperature in May: 55.8°F

The best month for swimming (with the highest average sea temperature) is August (76.5°F).
The coldest month (with the lowest average sea temperature) is February (40.3°F).

Average daylight in May / Average sunshine in May - Ocean City, NJ
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

  • Average sunshine in May: 8h

Months with most sunshine are June, July and August (Average sunshine: 9h).
Months with least sunshine are January, November and December (Average sunshine: 5).

Average UV index in May - Ocean City, NJ
  • Average UV index in May: 8

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January, November and December (UV index 2).