May weather forecast
Island Heights, NJ

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Weather in May

May, the last month of the spring in Island Heights, is a refreshing month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 65.7°F (18.7°C).

Temperature

With the beginning of May, Island Heights's average high-temperature sees an increase, transitioning from a moderate 56.5°F (13.6°C) in April to an enjoyable 65.7°F (18.7°C). During May nights, Island Heights witnesses a consistent average temperature of 55°F (12.8°C).

Humidity

The months with the highest humidity are May and June, with an average relative humidity of 80%.

Rainfall

In Island Heights, in May, it is raining for 13.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Island Heights, during the entire year, the rain falls for 129.4 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

In Island Heights, snow does not fall in April through October.

Daylight

In May, the average length of the day is 14h and 24min.
On the first day of May, sunrise is at 5:55 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:18 pm EDT.

Sunshine

In May, the average sunshine 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 health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 5 during May translates into the following guidance:
Ensure safety - Recommendations to avert sunburn are presented. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in May?

The average high-temperature, in May, in Island Heights, is 65.7°F (18.7°C), while the average low-temperature is 55°F (12.8°C).

What is the most humid month?

The months with the highest humidity are May and June, with an average relative humidity of 80%.

What is the average humidity in May?

The average relative humidity in May is 80%.

How much does it rain in May?

In May, the rain falls for 13.3 days. Throughout May, 1.46" (37mm) of precipitation is accumulated.

When it does not snow?

In Island Heights, snow does not fall in April through October.

What is the average length of the day in May?

The average day length in May is 14h and 24min.

When is the sunrise / sunset in May?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 8:18 pm EDT.

How long on average sun shines in May?

In Island Heights, the average sunshine duration in May is 8.8h.

What is the UV index reading in May?

In May, the average daily maximum UV index is 5. A UV Index 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
Island Heights, NJ

Average temperature in May - Island Heights, NJ
  • Average high temperature in May: 65.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in May
Island Heights, NJ

Average pressure in May - Island Heights, NJ
  • Average pressure in May: 30.02"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
Island Heights, NJ

Average wind speed in May - Island Heights, NJ
  • Average wind speed in May: 9.3mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in May
Island Heights, NJ

Average humidity in May - Island Heights, NJ
  • Average humidity in May: 80%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January, March and November (74%).

Average rainfall in May
Island Heights, NJ

Average rainfall in May - Island Heights, NJ
  • Average rainfall in May: 1.46"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in May
Island Heights, NJ

Average rainfall days in May - Island Heights, NJ
  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in May
Island Heights, NJ

Average snowfall in May - Island Heights, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in May
Island Heights, NJ

Average snowfall days in May - Island Heights, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in May /
Average sunshine in May
Island Heights, NJ

Average daylight in May / Average sunshine in May - Island Heights, NJ
  • Average daylight in May: 14h and 2min

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 24min).

  • Average sunshine in May: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in May
Island Heights, NJ

Average sunshine days in May - Island Heights, NJ
  • Average sunshine days in May: 16 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in May
Island Heights, NJ

Average UV index in May - Island Heights, 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, November and December (UV index 2).

Average cloud cover in May
Island Heights, NJ

Average cloud cover in May - Island Heights, NJ
  • Average cloud cover in May: 43

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in May
Island Heights, NJ

Average visibility in May - Island Heights, 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).

Island Heights, New Jersey, USA

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