May weather forecast
Hammonton, NJ

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Weather in May

The last month of the spring, May, is an agreeable month in Hammonton, New Jersey, with temperature in the range of an average high of 70.3°F (21.3°C) and an average low of 55°F (12.8°C).

Temperature

The commencement of May sees a shift in the average high-temperature, moving from an enjoyable 61°F (16.1°C) in April to an agreeable 70.3°F (21.3°C). Throughout the May nights, Hammonton encounters a low-temperature of 55°F (12.8°C).

Humidity

The average relative humidity in May is 78%.

Rainfall

In Hammonton, in May, during 11.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated. In Hammonton, during the entire year, the rain falls for 115 days and collects up to 12.44" (316mm) of precipitation.

Snowfall

January through March, May, November and December are months with snowfall. May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 11.9 snowfall days, and 2.99" (76mm) of snow is accumulated.

Daylight

The average length of the day in May is 14h and 23min.
On the first day of May, sunrise is at 5:58 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:20 pm EDT.

Sunshine

In Hammonton, the average sunshine in May is 8.9h.

UV index

The months with the highest UV index in Hammonton are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 6 during May translates into the following directions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

May temperatures vary between a high-temperature of 70.3°F (21.3°C) and a low-temperature of 55°F (12.8°C).

What is the average humidity in May?

In Hammonton, New Jersey, the average relative humidity in May is 78%.

How much does it rain in Hammonton in May?

In Hammonton, in May, during 11.3 rainfall days, 1.06" (27mm) of precipitation is typically accumulated.

When does it start to snow?

May is the first month it typically snows. Throughout May, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow.

What is the average length of the day in May?

In Hammonton, the average day length in May is 14h and 23min.

What time are sunrise and sunset in May in Hammonton?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 8:20 pm EDT.

How long on average sun shines in May?

In Hammonton, the average sunshine duration in May is 8.9h.

What is the month with the highest UV index?

May through August, with an average maximum UV index of 6, are months with the highest UV index.

How high is the UV index in May?

The average daily maximum UV index in May is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
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
Hammonton, NJ

Average temperature in May - Hammonton, NJ
  • Average high temperature in May: 70.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in May: 55°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

Average pressure in May
Hammonton, NJ

Average pressure in May - Hammonton, 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 (29.94"Hg).

Average wind speed in May
Hammonton, NJ

Average wind speed in May - Hammonton, NJ
  • Average wind speed in May: 7.5mph

The windiest month (with the highest average wind speed) is April (9.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in May
Hammonton, NJ

Average humidity in May - Hammonton, NJ
  • Average humidity in May: 78%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in May
Hammonton, NJ

Average rainfall in May - Hammonton, NJ
  • Average rainfall in May: 1.06"

The wettest month (with the highest rainfall) is July (1.54").
The driest month (with the least rainfall) is January (0.67").

Average rainfall days in May
Hammonton, NJ

Average rainfall days in May - Hammonton, NJ
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is November (6.7 days).

Average snowfall in May
Hammonton, NJ

Average snowfall in May - Hammonton, NJ
  • Average snowfall in May: 0.12"

The month with the highest snowfall is January (1.06").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in May
Hammonton, NJ

Average snowfall days in May - Hammonton, NJ
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
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: 5h and 0min).

Average sunshine days in May
Hammonton, NJ

Average sunshine days in May - Hammonton, NJ
  • Average sunshine days in May: 16.7 days

The month with the most sunshine days is November (22.1 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in May
Hammonton, NJ

Average UV index in May - Hammonton, NJ
  • Average UV index in May: 6

The months with the highest UV index are May, 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
Hammonton, NJ

Average cloud cover in May - Hammonton, NJ
  • Average cloud cover in May: 44

The months with the most cloud cover are February and March (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 29).

Average visibility in May
Hammonton, NJ

Average visibility in May - Hammonton, 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).

Hammonton, New Jersey, USA

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