May weather forecast
Glen Rock, NJ

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Weather in May

The last month of the spring, May, is an agreeable month in Glen Rock, New Jersey, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.2°F (11.2°C).

Temperature

As Glen Rock welcomes May, the average high-temperature sees a rise, transitioning from a refreshing 58.6°F (14.8°C) in April to an agreeable 69.4°F (20.8°C). During May, Glen Rock consistently records a temperature low averaging a cool 52.2°F (11.2°C).

Humidity

In May, the average relative humidity is 75%.

Rainfall

In Glen Rock, New Jersey, in May, it is raining for 16.4 days, with typically 2.6" (66mm) of accumulated precipitation. Throughout the year, there are 160.7 rainfall days, and 29.33" (745mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Glen Rock. During 0.1 snowfall days, in May, Glen Rock aggregates 0.2" (5mm) of snow. Throughout the year, in Glen Rock, there are 24.9 snowfall days, and 10.04" (255mm) of snow is accumulated.

Daylight

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

Sunshine

In Glen Rock, New Jersey, the average sunshine in May is 8.5h.

UV index

The average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 5 in May translates into this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the temperature in May in Glen Rock?

The high-temperature, in May, in Glen Rock, is 69.4°F (20.8°C), while the low-temperature averages to 52.2°F (11.2°C).

What is the average humidity in May in Glen Rock?

In May, the average relative humidity in Glen Rock, New Jersey, is 75%.

How much does it rain in Glen Rock in May?

In Glen Rock, in May, it is raining for 16.4 days, with typically 2.6" (66mm) of accumulated precipitation.

What is the last month it snows in Glen Rock?

May is the last month it regularly snows. During 0.1 snowfall days, in May, Glen Rock aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Glen Rock?

The average day length in May in Glen Rock is 14h and 29min.

What time are sunrise and sunset in May in Glen Rock?

In May, on the first day of the month, sunrise is at 5:53 am and sunset at 7:53 pm. On the last day of the month, in Glen Rock, New Jersey, sunrise is at 5:26 am and sunset at 8:21 pm EDT.

How long on average sun shines in May in Glen Rock?

In May, the average sunshine duration in Glen Rock is 8.5h.

What is the UV index intensity in May in Glen Rock?

In Glen Rock, New Jersey, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
Glen Rock, NJ

Average temperature in May - Glen Rock, NJ
  • Average high temperature in May: 69.4°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 (35.2°F).

  • Average low temperature in May: 52.2°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).

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Average pressure in May
Glen Rock, NJ

Average pressure in May - Glen Rock, 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
Glen Rock, NJ

Average wind speed in May - Glen Rock, NJ
  • Average wind speed in May: 6.6mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in May
Glen Rock, NJ

Average humidity in May - Glen Rock, NJ
  • Average humidity in May: 75%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in May
Glen Rock, NJ

Average rainfall in May - Glen Rock, NJ
  • Average rainfall in May: 2.6"

The wettest months (with the highest rainfall) are July and December (3.07").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in May
Glen Rock, NJ

Average rainfall days in May - Glen Rock, NJ
  • Average rainfall days in May: 16.4 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is January (8.9 days).

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Average snowfall in May
Glen Rock, NJ

Average snowfall in May - Glen Rock, NJ
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Glen Rock, NJ

Average snowfall days in May - Glen Rock, NJ
  • Average snowfall days in May: 0.1 days

The month with the highest number of snowfall days is February (7.2 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
Glen Rock, NJ

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 8h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in May
Glen Rock, NJ

Average sunshine days in May - Glen Rock, NJ
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is June (10.5 days).

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Average UV index in May
Glen Rock, NJ

Average UV index in May - Glen Rock, 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
Glen Rock, NJ

Average cloud cover in May - Glen Rock, NJ
  • Average cloud cover in May: 47

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in May
Glen Rock, NJ

Average visibility in May - Glen Rock, NJ
  • Average visibility in May: 5mi

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

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Glen Rock, New Jersey, USA

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