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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, like December, in Harrison, New Jersey, is an icy winter month, with an average temperature fluctuating between 25.9°F (-3.4°C) and 36.3°F (2.4°C). Harrison records the coldest temperatures in January, averaging a high of 36.3°F (2.4°C) and a low of 25.9°F (-3.4°C). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Harrison, New Jersey, with temperature in the range of an average low of 27.5°F (-2.5°C) and an average high of 38.8°F (3.8°C). The arrival of February sees a recorded average high-temperature of a still wintry 38.8°F (3.8°C), showing little divergence from the previous month's conditions. Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Harrison, New Jersey, with an average temperature varying between 45.9°F (7.7°C) and 34.2°F (1.2°C). With the onset of March, Harrison observes a minor temperature ascent, with the average high-temperature adjusting from February's wintry 38.8°F (3.8°C) to a frosty 45.9°F (7.7°C). Weather in March »
Weather in April
April in Harrison, New Jersey, is a moderate spring month, with temperature in the range of an average low of 43.9°F (6.6°C) and an average high of 57°F (13.9°C). As March gives way to April, the average high-temperature displays an increase, moving from a chilly 45.9°F (7.7°C) to a moderate 57°F (13.9°C). Weather in April »
Weather in May
May, the last month of the spring in Harrison, is a comfortable month, with an average temperature fluctuating between 53.8°F (12.1°C) and 67.5°F (19.7°C). The arrival of May brings a temperature shift, with the average high-temperature escalating from a moderate 57°F (13.9°C) in April to a comfortable 67.5°F (19.7°C). Weather in May »
Weather in June
The first month of the summer, June, is a moderately hot month in Harrison, New Jersey, with an average temperature ranging between min 62.2°F (16.8°C) and max 76.5°F (24.7°C). Harrison, New Jersey, sees a rise in temperature during June, with average high-temperatures transitioning from an enjoyable 67.5°F (19.7°C) in May to a warm 76.5°F (24.7°C). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Harrison, New Jersey, with an average temperature varying between 82.9°F (28.3°C) and 69.4°F (20.8°C). July temperatures tend to peak at an average high of 82.9°F (28.3°C) and dip to a low of 69.4°F (20.8°C). Throughout July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »
Weather in August
August, the last month of the summer in Harrison, is also a moderately hot month, with an average temperature fluctuating between 81.3°F (27.4°C) and 68.9°F (20.5°C). During August, the average high-temperature is a still moderately hot 81.3°F (27.4°C), maintaining a close resemblance to that of the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Harrison, is also a moderately hot month, with an average temperature varying between 61.7°F (16.5°C) and 74.5°F (23.6°C). September implies a soft temperature shift, with average high-temperatures reducing from August's moderately hot 81.3°F (27.4°C) to a still warm 74.5°F (23.6°C). Weather in September »
Weather in October
October, the same as September, is another refreshing autumn month in Harrison, New Jersey, with an average temperature ranging between max 63.1°F (17.3°C) and min 52°F (11.1°C). In October, the average high-temperature decreases from a moderately hot 74.5°F (23.6°C) in September to an enjoyable 63.1°F (17.3°C). Weather in October »
Weather in November
November, the last month of the autumn in Harrison, is also a fresh month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 50.9°F (10.5°C). Transition into November marks a drop in the average high-temperature, moving from a comfortable 63.1°F (17.3°C) in October to a cool 50.9°F (10.5°C). Weather in November »
Weather in December
The first month of the winter, December, is still a cold month in Harrison, New Jersey, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 32.9°F (0.5°C). As December commences, the average high-temperature shows a reduction, transitioning from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). Weather in December »
Updated: Aug 31, 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 are the coldest months?
With average temperatures fluctuating between a high of 36.3°F (2.4°C) and a low of 25.9°F (-3.4°C), January stands out as the coldest month.
What is the driest month?
January and February are months with the least rain when the rain falls for 7.3 days and typically aggregates up to 1.69" (43mm) of rain.
How much does it rain?
Throughout the year, there are 150.3 rainfall days, and 27.72" (704mm) of precipitation is accumulated.
When does it snow?
January through April, November and December are months with snowfall.
How many days does it snow?
In Harrison, New Jersey, during the entire year, snow falls for 18.1 days and aggregates up to 8.46" (215mm) of snow.
What are the months with the lowest UV index?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.
What is the most humid month?
The months with the highest humidity in Harrison are February and December, with an average relative humidity of 75%.
What is the month with the least sunshine?
The month with the least sunshine in Harrison is February, with an average of 4.8h of sunshine.
What is the snowiest month?
The month with the most snowfall is March, when snow falls for 4 days and typically aggregates up to 2.8" (71mm) 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.
When it does not snow in Harrison?
May through October are months without snowfall.
When are the longest days in Harrison?
June has the longest days of the year, with an average of 15h and 0min of daylight.
When is the highest UV index?
June through August, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest?
Harrison notes the warmest temperatures in July, with a average high of 82.9°F (28.3°C) and a low of 69.4°F (20.8°C).
What is the rainiest month?
The month with the most rainfall is July, when the rain falls for 17.3 days and typically aggregates up to 3.23" (82mm) of precipitation.
What month has the most sunshine?
With an average of 10.7h of sunshine, July has the most sunshine of the year.
What is the least humid month?
The least humid month is August, with an average relative humidity of 70%.
What is the month with the shortest days?
With an average of 9h and 18min of daylight, December has the shortest days of the year.
Average temperature
Harrison, NJ
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (36.3°F).
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure
Harrison, NJ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30.03"Hg - Average pressure in March:
30.05"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:
30.05"Hg - Average pressure in October:
30.02"Hg - Average pressure in November:
30.1"Hg - Average pressure in December:
30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed
Harrison, NJ
- Average wind speed in January:
9.9mph - Average wind speed in February:
9.6mph - Average wind speed in March:
9.6mph - Average wind speed in April:
9mph - Average wind speed in May:
7.5mph - Average wind speed in June:
7mph
- Average wind speed in July:
6.5mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.3mph - Average wind speed in October:
8.8mph - Average wind speed in November:
9.2mph - Average wind speed in December:
9.4mph
The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).
Average humidity
Harrison, NJ
The months with the highest relative humidity are February and December (75%).
The month with the lowest relative humidity is August (70%).
Average rainfall
Harrison, NJ
- Average rainfall in January:
1.69" - Average rainfall in February:
1.69" - Average rainfall in March:
2.2" - Average rainfall in April:
2.2" - Average rainfall in May:
2.4" - Average rainfall in June:
2.28"
- Average rainfall in July:
3.23" - Average rainfall in August:
2.6" - Average rainfall in September:
1.85" - Average rainfall in October:
2.44" - Average rainfall in November:
2.17" - Average rainfall in December:
2.95"
The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").
Average rainfall days
Harrison, NJ
- Average rainfall days in January:
7.3 days - Average rainfall days in February:
8.4 days - Average rainfall days in March:
10.8 days - Average rainfall days in April:
14.1 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
15.4 days - Average rainfall days in September:
12.9 days - Average rainfall days in October:
12.1 days - Average rainfall days in November:
9 days - Average rainfall days in December:
11.6 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall
Harrison, NJ
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days
Harrison, NJ
- Average snowfall days in January:
5.3 days - Average snowfall days in February:
5.3 days - Average snowfall days in March:
4 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:
2.5 days
The months with the highest number of snowfall days are January and February (5.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight / Average sunshine
Harrison, 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 0min
- Average daylight in July:
14h and 5min - Average daylight in August:
13h and 4min - 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 0min).
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 5min - Average sunshine in March:
6h and 2min - Average sunshine in April:
8h and 2min - Average sunshine in May:
8h and 5min - Average sunshine in June:
9h and 5min
- Average sunshine in July:
10h and 4min - Average sunshine in August:
10h and 3min - Average sunshine in September:
8h and 5min - Average sunshine in October:
5h and 5min - 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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days
Harrison, NJ
- Average sunshine days in January:
19.6 days - Average sunshine days in February:
15.9 days - Average sunshine days in March:
16.3 days - Average sunshine days in April:
14.7 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
13.4 days
- Average sunshine days in July:
12 days - Average sunshine days in August:
13.2 days - Average sunshine days in September:
15.2 days - Average sunshine days in October:
17.4 days - Average sunshine days in November:
19.1 days - Average sunshine days in December:
17.5 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).
Average UV index
Harrison, 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
Harrison, NJ
The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility
Harrison, NJ
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Harrison, New Jersey, USA
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