Climate and monthly weather forecastMount Arlington, NJ
Climate and monthly weather forecast
Weather in January
January, like December, in Mount Arlington, New Jersey, is a wintry winter month, with an average temperature ranging between max 33.3°F (0.7°C) and min 20.7°F (-6.3°C). Mount Arlington's temperature records reveal January as the coldest month, marked by average highs of 33.3°F (0.7°C) and lows of 20.7°F (-6.3°C). Weather in January »Weather in February
February, the last month of the winter in Mount Arlington, is another cold month, with an average temperature varying between 21.9°F (-5.6°C) and 36.9°F (2.7°C). Mount Arlington experiences an average high-temperature of a still icy 36.9°F (2.7°C) in February, marking an insignificant shift from 33.3°F (0.7°C) in January. Weather in February »Weather in March
March, the first month of the spring in Mount Arlington, is a chilly month, with an average temperature ranging between min 29.7°F (-1.3°C) and max 45°F (7.2°C). Mount Arlington's March weather indicates a minor ascent in high-temperatures, adjusting from a cold 36.9°F (2.7°C) in February to a chilly 45°F (7.2°C). Weather in March »Weather in April
April in Mount Arlington, New Jersey, is a mild spring month, with an average temperature fluctuating between 57.7°F (14.3°C) and 39.9°F (4.4°C). The shift into April is marked by a rise in the average high-temperature, moving from March's frosty 45°F (7.2°C) to a moderate 57.7°F (14.3°C). Weather in April »Weather in May
The last month of the spring, May, is an agreeable month in Mount Arlington, New Jersey, with an average temperature varying between 49.6°F (9.8°C) and 68.2°F (20.1°C). May witnesses an increase in the average high-temperature, moving from a refreshing 57.7°F (14.3°C) in April to an agreeable 68.2°F (20.1°C). Weather in May »Weather in June
June, the first month of the summer in Mount Arlington, is a moderately hot month, with an average temperature ranging between max 76.3°F (24.6°C) and min 56.8°F (13.8°C). The commencement of June sees a minor shift in the average high-temperature, moving from an agreeable 68.2°F (20.1°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Mount Arlington, New Jersey, with an average temperature ranging between max 82.4°F (28°C) and min 63°F (17.2°C). Mount Arlington's temperature records reveal July as the warmest month, marked by average highs of 82.4°F (28°C) and lows of 63°F (17.2°C). For most parts of July, the heat index is calculated to be a hot 89.6°F (32°C). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Mount Arlington, New Jersey, with an average temperature varying between 61.3°F (16.3°C) and 80.4°F (26.9°C). The arrival of August marks a slight shift to an average high-temperature of a still warm 80.4°F (26.9°C) from July's 82.4°F (28°C). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Mount Arlington, New Jersey, with an average temperature fluctuating between 54.9°F (12.7°C) and 73.8°F (23.2°C). The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from 80.4°F (26.9°C) in August to a still warm 73.8°F (23.2°C). Weather in September »Weather in October
October, like September, in Mount Arlington, New Jersey, is another comfortable autumn month, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 45°F (7.2°C). Arrival of October comes with a reduction in the average high-temperature, falling from a moderately hot 73.8°F (23.2°C) in September to an enjoyable 60.8°F (16°C). Weather in October »Weather in November
The last month of the autumn, November, is another chilly month in Mount Arlington, New Jersey, with an average temperature ranging between max 48.6°F (9.2°C) and min 34.3°F (1.3°C). Setting in of November comes with a decrease in the average high-temperature, moving from a comfortable 60.8°F (16°C) in October to a frosty 48.6°F (9.2°C). Weather in November »Weather in December
The first month of the winter, December, is still a cold month in Mount Arlington, New Jersey, with an average temperature ranging between min 27.7°F (-2.4°C) and max 39.2°F (4°C). Mount Arlington's progression into December involves a drop in the average high-temperature, receding from a frosty 48.6°F (9.2°C) in November to an icy 39.2°F (4°C). Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mount Arlington, NJ
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (33.3°F).
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure
Mount Arlington, NJ
- Average pressure in January:
30.07"Hg - Average pressure in February:
30.04"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:
30.02"Hg - Average pressure in November:
30.11"Hg - Average pressure in December:
30.08"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
Mount Arlington, NJ
- Average wind speed in January:
8mph - Average wind speed in February:
7.9mph - Average wind speed in March:
8.1mph - Average wind speed in April:
7.7mph - Average wind speed in May:
6.2mph - 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:
6.5mph - Average wind speed in November:
6.9mph - Average wind speed in December:
7.3mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity
Mount Arlington, NJ
The months with the highest relative humidity are February, October and December (81%).
The month with the lowest relative humidity is April (76%).
Average rainfall
Mount Arlington, NJ
- Average rainfall in January:
2.44" - Average rainfall in February:
2.44" - Average rainfall in March:
2.95" - Average rainfall in April:
3.19" - Average rainfall in May:
3.35" - Average rainfall in June:
3.15"
- Average rainfall in July:
3.66" - Average rainfall in August:
3.11" - Average rainfall in September:
2.05" - Average rainfall in October:
3.35" - Average rainfall in November:
2.64" - Average rainfall in December:
3.54"
The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days
Mount Arlington, NJ
- Average rainfall days in January:
7.5 days - Average rainfall days in February:
8.6 days - Average rainfall days in March:
12 days - Average rainfall days in April:
16.3 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
17.3 days
- Average rainfall days in July:
17.4 days - Average rainfall days in August:
16.5 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
13.6 days - Average rainfall days in November:
10 days - Average rainfall days in December:
11 days
The months with the highest number of rainy days are May and July (17.4 days).
The month with the least rainy days is January (7.5 days).
Average snowfall
Mount Arlington, NJ
- Average snowfall in January:
5.31" - Average snowfall in February:
5.71" - Average snowfall in March:
5.59" - Average snowfall in April:
0.39" - Average snowfall in May:
0.51" - Average snowfall in June:
0"
The month with the highest snowfall is February (5.71").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Mount Arlington, NJ
- Average snowfall days in January:
10.2 days - Average snowfall days in February:
10.8 days - Average snowfall days in March:
8.1 days - Average snowfall days in April:
1.6 days - Average snowfall days in May:
0.2 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:
0.3 days - Average snowfall days in November:
2.3 days - Average snowfall days in December:
6.7 days
The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Mount Arlington, 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:
4h and 36min - Average sunshine in February:
4h and 18min - Average sunshine in March:
5h and 48min - Average sunshine in April:
7h and 42min - Average sunshine in May:
8h and 0min - Average sunshine in June:
9h and 12min
- Average sunshine in July:
10h and 0min - Average sunshine in August:
9h and 42min - Average sunshine in September:
8h and 18min - Average sunshine in October:
5h and 18min - Average sunshine in November:
5h and 12min - Average sunshine in December:
4h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days
Mount Arlington, NJ
- Average sunshine days in January:
16.1 days - Average sunshine days in February:
12.3 days - Average sunshine days in March:
13 days - Average sunshine days in April:
11.8 days - Average sunshine days in May:
11.8 days - Average sunshine days in June:
10.6 days
- Average sunshine days in July:
11 days - Average sunshine days in August:
12.3 days - Average sunshine days in September:
15.6 days - Average sunshine days in October:
15.3 days - Average sunshine days in November:
16.4 days - Average sunshine days in December:
15.2 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is June (10.6 days).
Average UV index
Mount Arlington, NJ
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover
Mount Arlington, NJ
The months with the most cloud cover are February, March and December (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility
Mount Arlington, NJ
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





