Climate and monthly weather forecastGlen Rock, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Glen Rock, New Jersey, is a wintry winter month, with an average temperature varying between 35.2°F (1.8°C) and 23.4°F (-4.8°C). The coldest period tends to be January, when average temperatures fluctuate between a high of 35.2°F (1.8°C) and a low of 23.4°F (-4.8°C). Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Glen Rock, New Jersey, with an average temperature fluctuating between 38.8°F (3.8°C) and 25.2°F (-3.8°C). The average high-temperature for February is a still icy 38.8°F (3.8°C), closely aligning with the temperature of the preceding month. Weather in February »Weather in March
March, the first month of the spring in Glen Rock, is a chilly month, with an average temperature fluctuating between 32.2°F (0.1°C) and 46.4°F (8°C). The beginning of March marks a minor shift in the average high-temperature, moving from February's wintry 38.8°F (3.8°C) to a chilly 46.4°F (8°C). Weather in March »Weather in April
April in Glen Rock, New Jersey, is a refreshing spring month, with an average temperature fluctuating between 42.6°F (5.9°C) and 58.6°F (14.8°C). Glen Rock's weather in April shows a rise in the average high-temperature, moving up from March's chilly 46.4°F (8°C) to a mild 58.6°F (14.8°C). Weather in April »Weather in May
May, the last month of the spring in Glen Rock, is an agreeable month, with an average temperature fluctuating between 69.4°F (20.8°C) and 52.2°F (11.2°C). 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). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Glen Rock, New Jersey, with an average temperature varying between 77.5°F (25.3°C) and 59.9°F (15.5°C). The start of June signals a slight increase in the average high-temperature, moving from a pleasant 69.4°F (20.8°C) in May to a moderately hot 77.5°F (25.3°C). Weather in June »Weather in July
July, like June, in Glen Rock, New Jersey, is another warm summer month, with an average temperature ranging between min 66.7°F (19.3°C) and max 84.4°F (29.1°C). July, recognised by an average high temperature of 84.4°F (29.1°C) and a low of 66.7°F (19.3°C), is Glen Rock's warmest month. July's mean heat index is appraised at a tropical 91.4°F (33°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Glen Rock, New Jersey, with an average temperature fluctuating between 82.4°F (28°C) and 65.8°F (18.8°C). As August unfolds, the average high-temperature reaches a still moderately hot 82.4°F (28°C), hinting at a slight fluctuation from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Glen Rock, is also a moderately hot month, with an average temperature varying between 75.2°F (24°C) and 58.6°F (14.8°C). The onset of September brings a small shift in high-temperatures, falling from 82.4°F (28°C) in August to a still moderately hot 75.2°F (24°C). Weather in September »Weather in October
October, like September, in Glen Rock, New Jersey, is another comfortable autumn month, with an average temperature ranging between max 62.8°F (17.1°C) and min 49.1°F (9.5°C). Glen Rock's progression into October includes a drop in the average high-temperature, from a warm 75.2°F (24°C) in September to a comfortable 62.8°F (17.1°C). Weather in October »Weather in November
November, the last month of the autumn in Glen Rock, is another cool month, with an average temperature fluctuating between 50.9°F (10.5°C) and 37.6°F (3.1°C). Observing a mild shift, the average high-temperature during November reduces from October's comfortable 62.8°F (17.1°C) to a cool 50.9°F (10.5°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Glen Rock, New Jersey, with an average temperature varying between 30.9°F (-0.6°C) and 41.2°F (5.1°C). In Glen Rock, the beginning of December is marked by a lowered average high-temperature, shifting from November's fresh 50.9°F (10.5°C) to an icy 41.2°F (5.1°C). Weather in December »Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
January, recording an average high temperature of 35.2°F (1.8°C) and a low temperature of 23.4°F (-4.8°C), is Glen Rock's coldest month.
In Glen Rock, during the entire year, the rain falls for 160.7 days and collects up to 29.33" (745mm) of precipitation.
Months with snowfall are January through May, October through December.
Throughout the year, in Glen Rock, there are 24.9 snowfall days, and 10.04" (255mm) of snow is accumulated.
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
The months with the highest humidity are February and December, with an average relative humidity of 78%.
February is the month with the most snowfall. Snow falls for 7.2 days and accumulates 3.23" (82mm) of snow.
The month with the least sunshine is February, with an average of 4.6h of sunshine.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from EDT to EST.
April, July and August, with an average relative humidity of 72%, are the least humid months.
In Glen Rock, snow does not fall in June through September.
With an average of 15h and 6min of daylight, June has the longest days of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
In Glen Rock, July is identified by the average highest temperatures, reaching a peak of 84.4°F (29.1°C) and a low of 66.7°F (19.3°C).
The wettest months are July and December, with an average 3.07" (78mm) of rainfall.
The month with the most sunshine is July, with an average of 10.4h of sunshine.
September is the month with the least rainfall in Glen Rock. Rain falls for 13.2 days and accumulates 1.73" (44mm) of precipitation.
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Glen Rock, NJ
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).
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
Glen Rock, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
29.98"Hg - Average pressure in May:
30.01"Hg - Average pressure in June:
29.93"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.07"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
Glen Rock, NJ
- Average wind speed in January:
8.3mph - Average wind speed in February:
8.3mph - Average wind speed in March:
8.4mph - Average wind speed in April:
8mph - Average wind speed in May:
6.6mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
5.5mph - Average wind speed in August:
5.5mph - Average wind speed in September:
6mph - Average wind speed in October:
7.1mph - Average wind speed in November:
7.5mph - Average wind speed in December:
7.8mph
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
Glen Rock, NJ
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
Glen Rock, NJ
- Average rainfall in January:
1.81" - Average rainfall in February:
1.97" - Average rainfall in March:
2.4" - Average rainfall in April:
2.28" - Average rainfall in May:
2.6" - Average rainfall in June:
2.72"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.6" - Average rainfall in September:
1.73" - Average rainfall in October:
2.91" - Average rainfall in November:
2.17" - Average rainfall in December:
3.07"
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
Glen Rock, NJ
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
9.9 days - Average rainfall days in March:
12.9 days - Average rainfall days in April:
15.4 days - Average rainfall days in May:
16.4 days - Average rainfall days in June:
17 days
- Average rainfall days in July:
16.8 days - Average rainfall days in August:
16.1 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
13.7 days - Average rainfall days in November:
9.2 days - Average rainfall days in December:
11.2 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
Glen Rock, NJ
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
Glen Rock, NJ
- Average snowfall days in January:
7 days - Average snowfall days in February:
7.2 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.1 days - Average snowfall days in November:
0.7 days - Average snowfall days in December:
4 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 / Average sunshine
Glen Rock, NJ
- Average daylight in January:
9h and 36min - Average daylight in February:
10h and 42min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 18min - Average daylight in May:
14h and 30min - Average daylight in June:
15h and 6min
- Average daylight in July:
14h and 48min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 6min - Average daylight in November:
9h and 54min - Average daylight in December:
9h and 18min
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 January:
5h and 0min - Average sunshine in February:
4h and 36min - Average sunshine in March:
6h and 12min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 30min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
10h and 12min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 36min - Average sunshine in November:
5h and 30min - Average sunshine in December:
4h and 48min
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
Glen Rock, NJ
- Average sunshine days in January:
17.6 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.9 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
12.3 days - Average sunshine days in June:
10.5 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
14.8 days - Average sunshine days in October:
16 days - Average sunshine days in November:
18.8 days - Average sunshine days in December:
15.7 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
Glen Rock, NJ
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
Glen Rock, NJ
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
Glen Rock, NJ
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).
