July weather forecast
Harrison, NJ

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).

Temperature

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.

Heat index

In July, the average heat index is evaluated at a tropical 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'apparent temperature', 'felt air temperature', or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Additional factors like activity, differences in body mass, height, and shape, metabolic differences, and clothing affect individual temperature impact. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

The average relative humidity in July is 71%.

Rainfall

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

Snowfall

In Harrison, snow does not fall in May through October.

Daylight

In July, the average length of the day is 14h and 45min.
On the first day of July, sunrise is at 5:29 am and sunset at 8:31 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:13 pm EDT.

Sunshine

With an average of 10.7h of sunshine, July has the most sunshine of the year.

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index in Harrison. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 in July transform into the following instructions:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

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.

What is the temperature in July in Harrison?

The average high-temperature, in July, in Harrison, New Jersey, is 82.9°F (28.3°C), while the average low-temperature is 69.4°F (20.8°C). in July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 87.8°F (31°C).

What is the average humidity in July in Harrison?

The average relative humidity in July in Harrison is 71%.

What is the wettest month in Harrison?

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

How many days does it rain in July in Harrison?

In Harrison, New Jersey, in July, during 17.3 rainfall days, 3.23" (82mm) of precipitation is typically accumulated.

When it does not snow in Harrison?

May through October are months without snowfall in Harrison.

How many hours of daylight does Harrison have in July?

In July, the average day length in Harrison is 14h and 45min.

When are sunrise and sunset in July in Harrison?

In July, on the first day of the month, sunrise is at 5:29 am and sunset at 8:31 pm. On the last day of the month, in Harrison, New Jersey, sunrise is at 5:52 am and sunset at 8:13 pm EDT.

What month has the most sunshine in Harrison?

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

How many hours of sunshine does Harrison have in July?

In July, the average sunshine duration is 10.7h.

What are the months with the highest UV index in Harrison?

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

What is the UV index reading in July in Harrison?

In Harrison, New Jersey, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
Harrison, NJ

Average temperature in July - Harrison, NJ
  • Average high temperature in July: 82.9°F

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).

  • Average low temperature in July: 69.4°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 in July
Harrison, NJ

Average pressure in July - Harrison, NJ
  • Average pressure in July: 29.96"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).

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Average wind speed in July
Harrison, NJ

Average wind speed in July - Harrison, NJ
  • Average wind speed in July: 6.5mph

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 in July
Harrison, NJ

Average humidity in July - Harrison, NJ
  • Average humidity in July: 71%

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 in July
Harrison, NJ

Average rainfall in July - Harrison, NJ
  • Average rainfall in July: 3.23"

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 in July
Harrison, NJ

Average rainfall days in July - Harrison, NJ
  • Average rainfall days in July: 17.3 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).

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Average snowfall in July
Harrison, NJ

Average snowfall in July - Harrison, NJ
  • Average snowfall in July: 0"

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 in July
Harrison, NJ

Average snowfall days in July - Harrison, NJ
  • Average snowfall days in July: 0 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).

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Average daylight in July /
Average sunshine in July
Harrison, NJ

Average daylight in July / Average sunshine in July - Harrison, NJ
  • Average daylight in July: 14h and 5min

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 July: 10h and 4min

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 in July
Harrison, NJ

Average sunshine days in July - Harrison, NJ
  • Average sunshine days in July: 12 days

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 in July
Harrison, NJ

Average UV index in July - Harrison, NJ
  • Average UV index in July: 6

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 cloud cover in July
Harrison, NJ

Average cloud cover in July - Harrison, NJ
  • Average cloud cover in July: 30

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).

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Average visibility in July
Harrison, NJ

Average visibility in July - Harrison, NJ
  • Average visibility in July: 6mi

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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