May weather forecast
South Amboy, NJ

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Weather in May

The last month of the spring, May, is a refreshing month in South Amboy, New Jersey, with an average temperature ranging between min 54.1°F (12.3°C) and max 67.8°F (19.9°C).

Temperature

May brings an increase in the average high-temperature, progressing from a mild 58.1°F (14.5°C) in April to a comfortable 67.8°F (19.9°C). During May, South Amboy records a consistent average nighttime temperature of 54.1°F (12.3°C).

Humidity

The months with the highest humidity in South Amboy, New Jersey, are February and May, with an average relative humidity of 77%.

Rainfall

In South Amboy, in May, during 15.4 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, in South Amboy, there are 157.5 rainfall days, and 31.42" (798mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in South Amboy, New Jersey.

Daylight

In May, the average length of the day in South Amboy is 14h and 27min.
On the first day of May, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:21 pm EDT.

Sunshine

In May, the average sunshine is 8.6h.

UV index

In South Amboy, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In May, a daily maximum UV index of 5 leads to the following instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average May temperature in South Amboy?

The high-temperature during May is 67.8°F (19.9°C) and the low-temperature is 54.1°F (12.3°C).

What is the most humid month in South Amboy?

The months with the highest humidity in South Amboy, New Jersey, are February and May, with an average relative humidity of 77%.

What is the average humidity in May in South Amboy?

The average relative humidity in May is 77%.

How many days does it rain in May in South Amboy?

In South Amboy, New Jersey, in May, during 15.4 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

When it does not snow in South Amboy?

May through September are months without snowfall.

Does it snow in South Amboy in May?

In May, in South Amboy, it doesn't snow. April is the latest month when it typically snows.

How many hours of daylight does South Amboy have in May?

The average day length in May in South Amboy, New Jersey, is 14h and 27min.

When are sunrise and sunset in May in South Amboy?

On the first day of May in South Amboy, New Jersey, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:28 am and sunset at 8:21 pm EDT.

How many hours of sunshine does South Amboy have in May?

In South Amboy, the average sunshine duration in May is 8.6h.

How high is the UV index in May in South Amboy?

In South Amboy, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium health risk 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
South Amboy, NJ

Average temperature in May - South Amboy, NJ
  • Average high temperature in May: 67.8°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in May: 54.1°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).

Average pressure in May
South Amboy, NJ

Average pressure in May - South Amboy, 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
South Amboy, NJ

Average wind speed in May - South Amboy, NJ
  • Average wind speed in May: 7.8mph

The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in May
South Amboy, NJ

Average humidity in May - South Amboy, NJ
  • Average humidity in May: 77%

The months with the highest relative humidity are February and May (77%).
The months with the lowest relative humidity are March, April, August and November (73%).

Average rainfall in May
South Amboy, NJ

Average rainfall in May - South Amboy, NJ
  • Average rainfall in May: 2.99"

The wettest months (with the highest rainfall) are July and December (3.31").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in May
South Amboy, NJ

Average rainfall days in May - South Amboy, NJ
  • Average rainfall days in May: 15.4 days

The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in May
South Amboy, NJ

Average snowfall in May - South Amboy, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (3.39").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in May
South Amboy, NJ

Average snowfall days in May - South Amboy, NJ
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in May /
Average sunshine in May
South Amboy, NJ

Average daylight in May / Average sunshine in May - South Amboy, 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 18min).

  • Average sunshine in May: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in May
South Amboy, NJ

Average sunshine days in May - South Amboy, NJ
  • Average sunshine days in May: 13.9 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (12.2 days).

Average UV index in May
South Amboy, NJ

Average UV index in May - South Amboy, 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, March, November and December (UV index 2).

Average cloud cover in May
South Amboy, NJ

Average cloud cover in May - South Amboy, NJ
  • Average cloud cover in May: 45

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in May
South Amboy, NJ

Average visibility in May - South Amboy, 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).

South Amboy, New Jersey, USA

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