May weather forecast
Dunellen, NJ

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Weather in May

The last month of the spring, May, is an agreeable month in Dunellen, New Jersey, with an average temperature ranging between min 52.5°F (11.4°C) and max 70.2°F (21.2°C).

Temperature

The arrival of May signals an increase in the average high-temperature, moving from a refreshing 59.5°F (15.3°C) in April to a pleasant 70.2°F (21.2°C). During May, Dunellen sees a mean low-temperature of 52.5°F (11.4°C).

Humidity

In May, the average relative humidity is 77%.

Rainfall

In Dunellen, in May, it is raining for 17.5 days, with typically 2.99" (76mm) of accumulated precipitation. In Dunellen, during the entire year, the rain falls for 155.4 days and collects up to 31.18" (792mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows. During 0.1 snowfall days, in May, Dunellen aggregates 0.24" (6mm) of snow. In Dunellen, during the entire year, snow falls for 26.7 days and aggregates up to 12.68" (322mm) of snow.

Daylight

In May, the average length of the day in Dunellen, New Jersey, is 14h and 28min.
On the first day of the month, sunrise is at 5:55 am and sunset at 7:54 pm. On the last day of May, sunrise is at 5:29 am and sunset at 8:22 pm EDT.

Sunshine

In Dunellen, the average sunshine in May is 8.3h.

UV index

In May, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 5 in May transforms into the following instructions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are the temperatures in Dunellen in May?

May temperatures vary between a high-temperature of 70.2°F (21.2°C) and a low-temperature of 52.5°F (11.4°C).

What is the average humidity in May in Dunellen?

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

How many days does it rain in May in Dunellen?

In Dunellen, New Jersey, in May, during 17.5 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

What is the last month it snows in Dunellen?

May is the last month it regularly snows in Dunellen, New Jersey. During 0.1 snowfall days, in May, Dunellen aggregates 0.24" (6mm) of snow.

What is the average length of the day in May in Dunellen?

In May, the average day length in Dunellen is 14h and 28min.

When is the sunrise / sunset in May in Dunellen?

In May, on the first day of the month, sunrise is at 5:55 am and sunset at 7:54 pm. On the last day of the month, in Dunellen, sunrise is at 5:29 am and sunset at 8:22 pm EDT.

How long on average sun shines in May in Dunellen?

In Dunellen, the average sunshine duration in May is 8.3h.

What is the UV index intensity in May in Dunellen?

The average daily maximum UV index in May in Dunellen, New Jersey, is 5. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's 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
Dunellen, NJ

Average temperature in May - Dunellen, NJ
  • Average high temperature in May: 70.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in May: 52.5°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in May
Dunellen, NJ

Average pressure in May - Dunellen, 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
Dunellen, NJ

Average wind speed in May - Dunellen, NJ
  • Average wind speed in May: 6.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in May
Dunellen, NJ

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

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in May
Dunellen, NJ

Average rainfall in May - Dunellen, NJ
  • Average rainfall in May: 2.99"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in May
Dunellen, NJ

Average rainfall days in May - Dunellen, NJ
  • Average rainfall days in May: 17.5 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in May
Dunellen, NJ

Average snowfall in May - Dunellen, NJ
  • Average snowfall in May: 0.24"

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Dunellen, NJ

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Dunellen, NJ
  • Average daylight in May: 14h and 3min

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 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Dunellen, NJ

Average sunshine days in May - Dunellen, NJ
  • Average sunshine days in May: 11.6 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in May
Dunellen, NJ

Average UV index in May - Dunellen, 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).

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Average cloud cover in May
Dunellen, NJ

Average cloud cover in May - Dunellen, NJ
  • Average cloud cover in May: 47

The months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in May
Dunellen, NJ

Average visibility in May - Dunellen, NJ
  • Average visibility in May: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

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Dunellen, New Jersey, USA

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