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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, the same as December, is another cold winter month in Montclair, New Jersey, with an average temperature ranging between min 23.9°F (-4.5°C) and max 35.2°F (1.8°C). Montclair experiences its lowest temperatures in January, with an average peak of 35.2°F (1.8°C) and a low of 23.9°F (-4.5°C). Weather in January »
Weather in February
February, the last month of the winter in Montclair, is another cold month, with an average temperature varying between 38.8°F (3.8°C) and 25.5°F (-3.6°C). Montclair indicates an average high-temperature of a still cold 38.8°F (3.8°C) in February, showing minor variation from January's 35.2°F (1.8°C). Weather in February »
Weather in March
March, the first month of the spring in Montclair, is a frosty month, with an average temperature ranging between min 32.7°F (0.4°C) and max 46.4°F (8°C). With the onset of March, Montclair's average high-temperature sees a modest rise, moving from February's icy 38.8°F (3.8°C) to a chilly 46.4°F (8°C). Weather in March »
Weather in April
April is a refreshing spring month in Montclair, New Jersey, with an average temperature varying between 58.5°F (14.7°C) and 42.8°F (6°C). With the onset of April, the average high-temperature slightly shifts from March's chilly 46.4°F (8°C) to a moderate 58.5°F (14.7°C). Weather in April »
Weather in May
May, the last month of the spring in Montclair, is an agreeable month, with an average temperature varying between 52.7°F (11.5°C) and 69.3°F (20.7°C). An upsurge in temperatures occurs as April gives way to May, with average highs shifting from a refreshing 58.5°F (14.7°C) to a pleasant 69.3°F (20.7°C). Weather in May »
Weather in June
June, the first month of the summer in Montclair, is a moderately hot month, with an average temperature ranging between max 77.5°F (25.3°C) and min 60.4°F (15.8°C). June's arrival brings a modest temperature shift, moving from a pleasant 69.3°F (20.7°C) in May to a warm 77.5°F (25.3°C). Weather in June »
Weather in July
July, like June, in Montclair, New Jersey, is another warm summer month, with an average temperature ranging between max 84.2°F (29°C) and min 67.6°F (19.8°C). Temperature records mark July as the warmest month, with highs averaging 84.2°F (29°C) and lows at 67.6°F (19.8°C). The heat index value for July is appraised at a hot 91.4°F (33°C). Weather in July »
Weather in August
August, the last month of the summer in Montclair, is also a moderately hot month, with an average temperature varying between 66.6°F (19.2°C) and 81.9°F (27.7°C). The advent of August sees the average high-temperature at a still warm 81.9°F (27.7°C), subtly shifted from July's 84.2°F (29°C). Weather in August »
Weather in September
September, the first month of the autumn in Montclair, is still a warm month, with temperature in the range of an average high of 75°F (23.9°C) and an average low of 59.4°F (15.2°C). Montclair's weather subtly changes with the onset of September, barely falling from 81.9°F (27.7°C) in August to a still moderately hot 75°F (23.9°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Montclair, New Jersey, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 62.6°F (17°C). As October commences, the average high-temperature shows a reduction, transitioning from a moderately hot 75°F (23.9°C) in September to a comfortable 62.6°F (17°C). Weather in October »
Weather in November
The last month of the autumn, November, is also a fresh month in Montclair, New Jersey, with an average temperature fluctuating between 50.7°F (10.4°C) and 37.9°F (3.3°C). Montclair, New Jersey, in November experiences a subtle temperature decline, with average high-temperatures reducing from a comfortable 62.6°F (17°C) in October to a cool 50.7°F (10.4°C). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Montclair, New Jersey, with an average temperature ranging between min 31.1°F (-0.5°C) and max 41.5°F (5.3°C). Montclair's weather changes with the onset of December, slightly falling from a fresh 50.7°F (10.4°C) in November to a cold 41.5°F (5.3°C). Weather in December »
Updated: Jul 14, 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
What is the coldest month?
January, characterized by an average high temperature of 35.2°F (1.8°C) and a low temperature of 23.9°F (-4.5°C), is generally the coldest month.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 7.6 days and typically collects 1.38" (35mm) of precipitation.
How many days does it rain?
In Montclair, during the entire year, the rain falls for 153.3 days and collects up to 24.92" (633mm) of precipitation.
When does it snow?
Months with snowfall in Montclair are January through April, November and December.
How much does it snow?
In Montclair, during the entire year, snow falls for 22.1 days and aggregates up to 8.9" (226mm) of snow.
What are the months with the lowest UV index?
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index.
What is the most humid month?
The most humid month is February, with an average relative humidity of 78%.
What is the month with the least sunshine?
The month with the least sunshine is February, with an average of 4.7h of sunshine.
When does it snow the most?
The month with the most snowfall in Montclair is March, when snow falls for 4.9 days and typically aggregates up to 3.27" (83mm) of snow.
When is Daylight Saving Time (DST)?
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.
What are the least humid months?
April and August, with an average relative humidity of 72%, are the least humid months.
When it does not snow?
May through October are months without snowfall.
When are the longest days in Montclair?
The month with the longest days is June, with an average of 15h and 6min of daylight.
What is the month with the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What month is the hottest?
July is the month when Montclair's temperatures reach their peak, with averages of 84.2°F (29°C) and lows of 67.6°F (19.8°C).
What is the rainiest month?
July is the month with the most rainfall. Rain falls for 17.7 days and accumulates 3.07" (78mm) of precipitation.
What month has the most sunshine?
July has the most sunshine of the year, with an average of 10.5h of sunshine.
What is the month with the shortest days?
December has the shortest days of the year, with an average of 9h and 18min of daylight.
Average temperature
Montclair, NJ
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (35.2°F).
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure
Montclair, NJ
- Average pressure in January:
30.06"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:
29.98"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:
30.08"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
Montclair, NJ
- Average wind speed in January:
8.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
8.8mph - Average wind speed in April:
8.3mph - Average wind speed in May:
6.8mph - Average wind speed in June:
6.4mph
- Average wind speed in July:
5.7mph - Average wind speed in August:
5.8mph - Average wind speed in September:
6.3mph - Average wind speed in October:
7.5mph - Average wind speed in November:
7.8mph - Average wind speed in December:
8.1mph
The windiest months (with the highest average wind speed) are January and March (8.8mph).
The calmest month (with the lowest average wind speed) is July (5.7mph).
Average humidity
Montclair, NJ
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall
Montclair, NJ
- Average rainfall in January:
1.38" - Average rainfall in February:
1.42" - Average rainfall in March:
2.01" - Average rainfall in April:
1.97" - Average rainfall in May:
2.52" - Average rainfall in June:
2.44"
- Average rainfall in July:
3.07" - Average rainfall in August:
2.6" - Average rainfall in September:
1.46" - Average rainfall in October:
2.13" - Average rainfall in November:
1.69" - Average rainfall in December:
2.24"
The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is January (1.38").
Average rainfall days
Montclair, NJ
- Average rainfall days in January:
7.6 days - Average rainfall days in February:
8.3 days - Average rainfall days in March:
11.8 days - Average rainfall days in April:
14.9 days - Average rainfall days in May:
16.8 days - Average rainfall days in June:
15.9 days
- Average rainfall days in July:
17.7 days - Average rainfall days in August:
16.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
8.5 days - Average rainfall days in December:
10.6 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall
Montclair, NJ
The month with the highest snowfall is March (3.27").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Montclair, NJ
- Average snowfall days in January:
5.8 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
4.9 days - Average snowfall days in April:
0.3 days - Average snowfall days in May:
0 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:
0.7 days - Average snowfall days in December:
3.6 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Montclair, NJ
- Average daylight in January:
9h and 4min - Average daylight in February:
10h and 4min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 2min - Average daylight in May:
14h and 3min - Average daylight in June:
15h and 1min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 5min - Average daylight in September:
12h and 3min - Average daylight in October:
11h and 1min - Average daylight in November:
9h and 5min - Average daylight in December:
9h and 2min
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 1min - Average sunshine in February:
4h and 4min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 4min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 3min - Average sunshine in August:
10h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 4min - Average sunshine in November:
5h and 4min - Average sunshine in December:
4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days
Montclair, NJ
- Average sunshine days in January:
19.3 days - Average sunshine days in February:
14.9 days - Average sunshine days in March:
14.8 days - Average sunshine days in April:
12.8 days - Average sunshine days in May:
11.5 days - Average sunshine days in June:
11.3 days
- Average sunshine days in July:
10.7 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
14.1 days - Average sunshine days in October:
17.5 days - Average sunshine days in November:
19.7 days - Average sunshine days in December:
17.3 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.7 days).
Average UV index
Montclair, 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
Montclair, NJ
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility
Montclair, 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).
Montclair, New Jersey, USA
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