Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Glen Rock in May shows a temperature shift, moving from an average high of a mild 58.6°F (14.8°C) in April to a pleasant 69.4°F (20.8°C). Throughout May, a steady low-temperature average of 52.2°F (11.2°C) is noted.Humidity
The average relative humidity in May is 75%.Rainfall
In Glen Rock, in May, during 16.4 rainfall days, 2.6" (66mm) of precipitation is typically accumulated. In Glen Rock, during the entire year, the rain falls for 160.7 days and collects up to 29.33" (745mm) 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, Glen Rock aggregates 0.2" (5mm) of snow. Throughout the year, 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 May, sunrise is at 5:53 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 5:26 am and sunset at 8:21 pm EDT.
Sunshine
The average sunshine in May is 8.5h.UV index
In Glen Rock, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 5 during May leads to these instructions:
Take necessary precautions - Defending against sun damage is advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average May temperature?
What is the average humidity in May?
How many days does it rain in May?
What is the last month it snows in Glen Rock?
What is the average length of the day in May in Glen Rock?
When is the sunrise / sunset in May?
How many hours of sunshine does Glen Rock have in May?
How high is the UV index in May?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Glen Rock, New Jersey, USA
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