May weather forecast and climate
Gloucester City, NJ

Weather in May

The last month of the spring, May, is a pleasant month in Gloucester City, New Jersey, with average temperature varying between 55°F (12.8°C) and 72°F (22.2°C).

Temperature

In May, the average high-temperature increases, from an enjoyable 61.7°F (16.5°C) in April, to an agreeable 72°F (22.2°C). In May, the average low-temperature is 55°F (12.8°C).

Humidity

In Gloucester City, the average relative humidity is 75%.

Rainfall

In Gloucester City, during 14.4 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. In Gloucester City, during the entire year, the rain falls for 127.8 days and collects up to 13.82" (351mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, Gloucester City aggregates 0.12" (3mm) of snow. Throughout the year, in Gloucester City, New Jersey, there are 11.4 snowfall days, and 2.87" (73mm) of snow is accumulated.

Daylight

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

Sunshine

In May, the average sunshine is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Gloucester City. A UV Index of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 6 interpret into the following advice:
Take precautions against overexposure. Protection against sun damage is needed. 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. 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 Gloucester City?

The average high-temperature, in May, is 72°F (22.2°C), while the average low-temperature is 55°F (12.8°C).

What is the average humidity in May in Gloucester City?

In Gloucester City, the average relative humidity in May is 75%.

How many days does it rain in May in Gloucester City?

In Gloucester City, New Jersey, during May, the rain falls for 14.4 days and regularly aggregates up to 1.3" (33mm) of precipitation.

What is the last month it snows in Gloucester City?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Gloucester City aggregates 0.12" (3mm) of snow.

What is the average length of the day in May in Gloucester City?

The average length of the day in May is 14.4h.

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

In May, the average sunshine in Gloucester City is 8.6h.

When is the highest UV index in Gloucester City?

Months with the highest UV index in Gloucester City, New Jersey, are May through August, with an average maximum UV index of 6.

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

In May, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in May
Gloucester City, NJ

Average temperature in May - Gloucester City, NJ
  • Average high temperature in May: 72°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

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Average pressure in May
Gloucester City, NJ

Average pressure in May - Gloucester City, NJ
  • Average pressure in May: 30.01"

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in May
Gloucester City, NJ

Average wind speed in May - Gloucester City, NJ
  • Average wind speed in May: 6.9mph

The windiest months (with the highest average wind speed) are March and April (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

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Average humidity in May
Gloucester City, NJ

Average humidity in May - Gloucester City, NJ
  • Average humidity in May: 75%

The month with the highest relative humidity is October (77%).
Months with the lowest relative humidity are April and August (71%).

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Average rainfall in May
Gloucester City, NJ

Average rainfall in May - Gloucester City, NJ
  • Average rainfall in May: 1.3"

The wettest month (with the highest rainfall) is August (1.65").
The driest months (with the least rainfall) are January and February (0.83").

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Average rainfall days in May
Gloucester City, NJ

Average rainfall days in May - Gloucester City, NJ
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is July (14.8 days).
The month with the least rainy days is February (7.2 days).

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Average snowfall in May
Gloucester City, NJ

Average snowfall in May - Gloucester City, NJ
  • Average snowfall in May: 0.12"

The month with the highest snowfall is February (0.98").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in May
Gloucester City, NJ

Average snowfall days in May - Gloucester City, NJ
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.8 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Gloucester City, NJ

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 8.6h

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

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Average sunshine days in May
Gloucester City, NJ

Average sunshine days in May - Gloucester City, NJ
  • Average sunshine days in May: 13.3 days

The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is May (13.3 days).

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Average UV index in May
Gloucester City, NJ

Average UV index in May - Gloucester City, NJ
  • Average UV index in May: 6

Months with the highest UV index are May, June, July and August (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in May
Gloucester City, NJ

Average cloud cover in May - Gloucester City, NJ
  • Average cloud cover in May: 46

Months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in May
Gloucester City, NJ

Average visibility in May - Gloucester City, 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).

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