Climate and monthly weather forecast
Harrison, NJ

Weather in January

January, the same as December, is a wintry winter month in Harrison, New Jersey, with an average temperature varying between 25.9°F (-3.4°C) and 36.3°F (2.4°C). January is the coldest month, with an average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 25.9°F (-3.4°C). Weather in January »

Weather in February

February, the last month of the winter in Harrison, is also a wintry month, with an average temperature ranging between max 38.8°F (3.8°C) and min 27.5°F (-2.5°C). In February, the average high-temperature is relatively the same as in January - a still wintry 38.8°F (3.8°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Harrison, New Jersey, with an average temperature varying between 34.2°F (1.2°C) and 45.9°F (7.7°C). In Harrison, the average high-temperature in March marginally rises from a wintry 38.8°F (3.8°C) in February to a frosty 45.9°F (7.7°C). Weather in March »

Weather in April

April is a mild spring month in Harrison, New Jersey, with temperature in the range of an average high of 57°F (13.9°C) and an average low of 43.9°F (6.6°C). In Harrison, New Jersey, the average high-temperature in April rises from a chilly 45.9°F (7.7°C) in March to a moderate 57°F (13.9°C). Weather in April »

Weather in May

May, the last month of the spring in Harrison, is an enjoyable month, with temperature in the range of an average high of 67.5°F (19.7°C) and an average low of 53.8°F (12.1°C). In May, the average high-temperature increases 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 varying between 76.5°F (24.7°C) and 62.2°F (16.8°C). In Harrison, the average high-temperature in June rises from an enjoyable 67.5°F (19.7°C) in May to a moderately hot 76.5°F (24.7°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Harrison, New Jersey, with temperature in the range of an average low of 69.4°F (20.8°C) and an average high of 82.9°F (28.3°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month. In July, the average heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Harrison, New Jersey, with an average temperature varying between 68.9°F (20.5°C) and 81.3°F (27.4°C). In August, the average high-temperature is almost the same as in July - a still warm 81.3°F (27.4°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Harrison, New Jersey, with an average temperature varying between 74.5°F (23.6°C) and 61.7°F (16.5°C). In September, the average high-temperature marginally drops from 81.3°F (27.4°C) in August to a still warm 74.5°F (23.6°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Harrison, New Jersey, with an average temperature fluctuating between 52°F (11.1°C) and 63.1°F (17.3°C). In Harrison, the average high-temperature in October decreases from a warm 74.5°F (23.6°C) in September to a comfortable 63.1°F (17.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Harrison, is another cool month, with an average temperature varying between 50.9°F (10.5°C) and 40.6°F (4.8°C). In November, the average high-temperature drops from an enjoyable 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 low of 32.9°F (0.5°C) and an average high of 41.9°F (5.5°C). In December, the average high-temperature decreases from a cool 50.9°F (10.5°C) in November to a cold 41.9°F (5.5°C). Weather in December »
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FAQ

What is the coldest month in Harrison?

The coldest month in Harrison is January, with an average high-temperature of 36.3°F (2.4°C) and an average low-temperature of 25.9°F (-3.4°C).

What is the driest month in Harrison?

The months with the least rainfall are January and February Rain falls for 7.3 days and accumulates 1.69" (43mm) of rain.

How much does it rain in Harrison?

Throughout the year, in Harrison, there are 150.3 rainfall days, and 27.72" (704mm) of precipitation is accumulated.

When does it snow in Harrison?

Months with snowfall in Harrison, New Jersey, are January through April, November and December.

How much does it snow in Harrison?

In Harrison, 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 in Harrison?

The months with the lowest UV index in Harrison are January through March, November and December, with an average maximum UV index of 2.

What are the most humid months in Harrison?

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 in Harrison?

With an average of 4.8h of sunshine, February has the least sunshine of the year.

What is the snowiest month in Harrison?

March is the month with the most snowfall. Snow falls for 4 days and accumulates 2.8" (71mm) of snow.

When is Daylight Saving Time (DST) in Harrison?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from EST to EDT. Daylight Saving Time ends Sunday, November 5. 2023, 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 in Harrison.

When are the longest days in Harrison?

With an average of 15h and 3min of daylight, June has the longest days of the year in Harrison.

When is the highest UV index in Harrison?

The months with the highest UV index in Harrison are June through August, with an average maximum UV index of 6.

What is the warmest month in Harrison?

With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 69.4°F (20.8°C), July is the warmest month in Harrison.

What is the wettest month in Harrison?

July is the month with the most rainfall in Harrison. Rain falls for 17.3 days and accumulates 3.23" (82mm) of precipitation.

What month has the most sunshine in Harrison?

The month with the most sunshine in Harrison, New Jersey, is July, with an average of 10.7h of sunshine.

What is the least humid month in Harrison?

August is the least humid month in Harrison, New Jersey, with an average relative humidity of 70%.

What is the month with the shortest days in Harrison?

With an average of 9h and 19min of daylight, December has the shortest days of the year in Harrison, New Jersey.

Average temperature
Harrison, NJ

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).

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Average pressure
Harrison, NJ

Average pressure - Harrison, NJ

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed
Harrison, NJ

Average wind speed - Harrison, NJ

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).

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Average humidity
Harrison, NJ

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%).

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Average rainfall
Harrison, NJ

Average rainfall - Harrison, NJ

The wettest month (with the highest rainfall) is July (3.23").
The driest months (with the least rainfall) are January and February (1.69").

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Average rainfall days
Harrison, NJ

Average rainfall days - Harrison, NJ

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).

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Average snowfall
Harrison, NJ

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").

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Average snowfall days
Harrison, NJ

Average snowfall days - Harrison, NJ

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).

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Average daylight / Average sunshine
Harrison, NJ

Average daylight / Average sunshine - Harrison, NJ

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).

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).

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Average sunshine days
Harrison, NJ

Average sunshine days - Harrison, NJ

The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is July (12 days).

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Average UV index
Harrison, NJ

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).

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Average visibility
Harrison, NJ

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).

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