May weather forecast
Helmetta, NJ

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Weather in May

May, the last month of the spring in Helmetta, is an agreeable month, with an average temperature varying between 69.4°F (20.8°C) and 54°F (12.2°C).

Temperature

Helmetta in May shows a temperature shift, moving from an average high of a refreshing 59.4°F (15.2°C) in April to an agreeable 69.4°F (20.8°C). During the month of May, an average low-temperature of 54°F (12.2°C) is recorded.

Humidity

February, May, October and December, with an average relative humidity of 77%, are the most humid months.

Rainfall

In Helmetta, New Jersey, in May, during 9.8 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 92.9 rainfall days, and 7.32" (186mm) of precipitation is accumulated.

Snowfall

In Helmetta, snow does not fall in April through October.

Daylight

In Helmetta, the average length of the day in May is 14h and 26min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:21 pm EDT.

Sunshine

In Helmetta, the average sunshine in May is 8.6h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index in Helmetta. A UV Index of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The daily high UV index of 6 in May translates into this advice:
Apply measures and align with sun safety principles. Safeguarding against skin and eye injury is pivotal. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What is the usual temperature for Helmetta in May?

During May, Helmetta experiences an average high-temperature of 69.4°F (20.8°C) and a low-temperature of 54°F (12.2°C).

What are the most humid months in Helmetta?

February, May, October and December, with an average relative humidity of 77%, are most humid months.

What is the average humidity in May in Helmetta?

In Helmetta, the average relative humidity in May is 77%.

How many days does it rain in May in Helmetta?

In Helmetta, during May, the rain falls for 9.8 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Helmetta?

In Helmetta, New Jersey, snow does not fall in April through October.

How many hours of daylight does Helmetta have in May?

The average day length in May in Helmetta, New Jersey, is 14h and 26min.

What time are sunrise and sunset in May in Helmetta?

On the first day of May in Helmetta, New Jersey, sunrise is at 5:55 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:21 pm EDT.

How many hours of sunshine does Helmetta have in May?

In May, the average sunshine duration in Helmetta, New Jersey, is 8.6h.

What is the month with the highest UV index in Helmetta?

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

What is the UV index intensity in May in Helmetta?

The average daily maximum UV index in May in Helmetta, New Jersey, is 6. A UV Index of 6 to 7 symbolizes a high 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
Helmetta, NJ

Average temperature in May - Helmetta, NJ
  • Average high temperature in May: 69.4°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 (37°F).

  • Average low temperature in May: 54°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).

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Average pressure in May
Helmetta, NJ

Average pressure in May - Helmetta, 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).

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Average wind speed in May
Helmetta, NJ

Average wind speed in May - Helmetta, NJ
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

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Average humidity in May
Helmetta, NJ

Average humidity in May - Helmetta, NJ
  • Average humidity in May: 77%

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

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Average rainfall in May
Helmetta, NJ

Average rainfall in May - Helmetta, NJ
  • Average rainfall in May: 0.75"

The wettest month (with the highest rainfall) is July (0.94").
The driest month (with the least rainfall) is September (0.28").

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Average rainfall days in May
Helmetta, NJ

Average rainfall days in May - Helmetta, NJ
  • Average rainfall days in May: 9.8 days

The month with the highest number of rainy days is July (10.7 days).
The months with the least rainy days are January and November (4.8 days).

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Average snowfall in May
Helmetta, NJ

Average snowfall in May - Helmetta, NJ
  • Average snowfall in May: 0"

The month with the highest snowfall is March (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in May
Helmetta, NJ

Average snowfall days in May - Helmetta, NJ
  • Average snowfall days in May: 0 days

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

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

Average daylight in May / Average sunshine in May - Helmetta, 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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in May
Helmetta, NJ

Average sunshine days in May - Helmetta, NJ
  • Average sunshine days in May: 18 days

The month with the most sunshine days is January (24.2 days).
The month with the least sunshine days is July (15.7 days).

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Average UV index in May
Helmetta, NJ

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

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Average cloud cover in May
Helmetta, NJ

Average cloud cover in May - Helmetta, NJ
  • Average cloud cover in May: 46

The months with the most cloud cover are February, March and December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 32).

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Average visibility in May
Helmetta, NJ

Average visibility in May - Helmetta, 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).

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Helmetta, New Jersey, USA

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