Climate and monthly weather forecastGlen Gardner, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Glen Gardner, New Jersey, is an icy winter month, with an average temperature varying between 35.1°F (1.7°C) and 22.3°F (-5.4°C). Glen Gardner's January weather, with an average high temperature of 35.1°F (1.7°C) and an average low temperature of 22.3°F (-5.4°C), tends to be the coldest of the year. Weather in January »Weather in February
The last month of the winter, February, is also a wintry month in Glen Gardner, New Jersey, with an average temperature ranging between min 23.7°F (-4.6°C) and max 38.3°F (3.5°C). Glen Gardner experiences a subtle adjustment in high-temperatures to a still cold 38.3°F (3.5°C) with the onset of February, maintaining near parity with January's 35.1°F (1.7°C). Weather in February »Weather in March
March, the first month of the spring in Glen Gardner, is a frosty month, with an average temperature fluctuating between 31.5°F (-0.3°C) and 46.9°F (8.3°C). The shift into March is accompanied by a modest temperature increase, with the average high-temperature edging up from a wintry 38.3°F (3.5°C) in February to a frosty 46.9°F (8.3°C). Weather in March »Weather in April
April is a mild spring month in Glen Gardner, New Jersey, with an average temperature varying between 41.2°F (5.1°C) and 59°F (15°C). April sees a temperature increase, moving from a frosty 46.9°F (8.3°C) in March to a refreshing 59°F (15°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Glen Gardner, New Jersey, with an average temperature ranging between min 51.1°F (10.6°C) and max 69.6°F (20.9°C). Glen Gardner's transition into May sees a rise in the average high-temperature, advancing from a moderate 59°F (15°C) in April to a pleasant 69.6°F (20.9°C). Weather in May »Weather in June
June, the first month of the summer in Glen Gardner, is a moderately hot month, with an average temperature ranging between min 58.6°F (14.8°C) and max 77.7°F (25.4°C). The start of June brings a subtle rise in the average high-temperature, moving from an agreeable 69.6°F (20.9°C) in May to a warm 77.7°F (25.4°C). Weather in June »Weather in July
July, like June, in Glen Gardner, New Jersey, is another warm summer month, with an average temperature fluctuating between 64.4°F (18°C) and 84°F (28.9°C). With average high temperatures of 84°F (28.9°C) and lows of 64.4°F (18°C), July is the warmest month. The heat index value during July is computed to be a hot 93.2°F (34°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Glen Gardner, New Jersey, with an average temperature ranging between max 81.9°F (27.7°C) and min 62.6°F (17°C). The start of August sees the average high-temperature at a still warm 81.9°F (27.7°C), showing little difference from July's 84°F (28.9°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Glen Gardner, New Jersey, with an average temperature varying between 56.1°F (13.4°C) and 74.7°F (23.7°C). The average high-temperature shows a slight dip in September, from August's moderately hot 81.9°F (27.7°C) to a still warm 74.7°F (23.7°C). Weather in September »Weather in October
October, the same as September, is another refreshing autumn month in Glen Gardner, New Jersey, with an average temperature varying between 46.4°F (8°C) and 62.2°F (16.8°C). With the onset of October, Glen Gardner experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 74.7°F (23.7°C) in September to a refreshing 62.2°F (16.8°C). Weather in October »Weather in November
The last month of the autumn, November, is another cool month in Glen Gardner, New Jersey, with temperature in the range of an average high of 50.4°F (10.2°C) and an average low of 35.8°F (2.1°C). Glen Gardner's progression into November includes a drop in the average high-temperature, from a comfortable 62.2°F (16.8°C) in October to a fresh 50.4°F (10.2°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Glen Gardner, New Jersey, with an average temperature ranging between max 41°F (5°C) and min 29.5°F (-1.4°C). December brings a decrease in the average high-temperature, shifting from a cool 50.4°F (10.2°C) in November to a wintry 41°F (5°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Glen Gardner, NJ
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.1°F).
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure
Glen Gardner, NJ
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.05"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:
29.99"Hg - Average pressure in September:
30.06"Hg - Average pressure in October:
30.03"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.09"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 Gardner, NJ
- Average wind speed in January:
8.1mph - Average wind speed in February:
8mph - Average wind speed in March:
8.3mph - Average wind speed in April:
8mph - Average wind speed in May:
6.3mph - Average wind speed in June:
5.8mph
- Average wind speed in July:
5.1mph - Average wind speed in August:
5mph - Average wind speed in September:
5.5mph - Average wind speed in October:
6.6mph - Average wind speed in November:
7mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Glen Gardner, NJ
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (75%).
Average rainfall
Glen Gardner, NJ
- Average rainfall in January:
0.83" - Average rainfall in February:
0.79" - Average rainfall in March:
0.98" - Average rainfall in April:
1.26" - Average rainfall in May:
1.5" - Average rainfall in June:
1.34"
- Average rainfall in July:
1.65" - Average rainfall in August:
1.5" - Average rainfall in September:
0.75" - Average rainfall in October:
1.26" - Average rainfall in November:
1.02" - Average rainfall in December:
1.18"
The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days
Glen Gardner, NJ
- Average rainfall days in January:
6.8 days - Average rainfall days in February:
7.4 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
12.4 days - Average rainfall days in May:
13.9 days - Average rainfall days in June:
12.5 days
- Average rainfall days in July:
13.4 days - Average rainfall days in August:
12.7 days - Average rainfall days in September:
9.9 days - Average rainfall days in October:
10.5 days - Average rainfall days in November:
7.2 days - Average rainfall days in December:
8.4 days
The month with the highest number of rainy days is May (13.9 days).
The month with the least rainy days is January (6.8 days).
Average snowfall
Glen Gardner, NJ
- Average snowfall in January:
1.02" - Average snowfall in February:
1.26" - Average snowfall in March:
0.98" - Average snowfall in April:
0.04" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (1.26").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days
Glen Gardner, NJ
- Average snowfall days in January:
5.4 days - Average snowfall days in February:
6 days - Average snowfall days in March:
3.8 days - Average snowfall days in April:
0.3 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 days - Average snowfall days in November:
0.5 days - Average snowfall days in December:
3.2 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight / Average sunshine
Glen Gardner, NJ
- Average daylight in January:
9h and 42min - 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 0min
- Average daylight in July:
14h and 42min - Average daylight in August:
13h and 42min - 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 0min).
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 18min - 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:
9h and 54min - Average sunshine in September:
8h and 42min - Average sunshine in October:
5h and 30min - 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 Gardner, NJ
- Average sunshine days in January:
20.2 days - Average sunshine days in February:
16.8 days - Average sunshine days in March:
16.1 days - Average sunshine days in April:
14.9 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
15 days
- Average sunshine days in July:
15.1 days - Average sunshine days in August:
15.8 days - Average sunshine days in September:
17.9 days - Average sunshine days in October:
18.5 days - Average sunshine days in November:
20 days - Average sunshine days in December:
20 days
The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is May (13.1 days).
Average UV index
Glen Gardner, 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 Gardner, NJ
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility
Glen Gardner, NJ
The months with the highest visibility are January, February, March, April, November and December (6mi).
The months with the lowest visibility are May, June, July, August, September and October (5mi).





