July weather forecast and climate
Rockleigh, NJ

Weather in July

July, like June, in Rockleigh, New Jersey, is another warm summer month, with average temperature ranging between max 84.9°F (29.4°C) and min 68°F (20°C).

Temperature

The warmest month is July, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68°F (20°C).

Heat index

In July, the average heat index is evaluated at a hot 92.5°F (33.6°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like', 'real feel', 'felt air temperature', or 'apparent temperature', is what the temperature feels like to the human body when the air temperature is combined with the relative humidity. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (metabolic differences, differences in body mass, height, and shape, pregnancy). Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young children are generally more endangered than adults, as they usually less sweat. And also, due to larger skin surface relative to their small bodies and higher heat production as a result of their activity.

Humidity

The average relative humidity in Rockleigh is 70%.

Rainfall

In Rockleigh, it is raining for 16.1 days, with typically 2.68" (68mm) of accumulated precipitation. In Rockleigh, during the entire year, the rain falls for 153.9 days and collects up to 30.75" (781mm) of precipitation.

Snowfall

In Rockleigh snow does not fall in May through October.

Daylight

In Rockleigh, the average length of the day is 14.8h.

Sunshine

With an average of 10.3h of sunshine, July has the most sunshine of the year in Rockleigh.

UV index

Months with the highest UV index are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: In July, the average maximum UV index of 6 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. 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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the warmest month in Rockleigh?

July is the warmest month in Rockleigh, New Jersey, with an average high-temperature of 84.9°F (29.4°C) and an average low-temperature of 68°F (20°C).

What is the temperature in July in Rockleigh?

The average high-temperature, in July, in Rockleigh, is 84.9°F (29.4°C), while the average low-temperature is 68°F (20°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), that combines air temperature and relative humidity, in July is estimated at 92.5°F (33.6°C).

What is the average humidity in July in Rockleigh?

In Rockleigh, New Jersey, the average relative humidity in July is 70%.

How much does it rain in Rockleigh in July?

In Rockleigh, during July, the rain falls for 16.1 days and regularly aggregates up to 2.68" (68mm) of precipitation.

When it does not snow in Rockleigh?

In Rockleigh snow does not fall in May through October.

How many hours of daylight does Rockleigh have in July?

In July, the average length of the day in Rockleigh, New Jersey, is 14.8h.

What month has the most sunshine in Rockleigh?

The month with the most sunshine in Rockleigh, New Jersey, is July, with an average of 10.3h of sunshine.

How many hours of sunshine does Rockleigh have in July?

In Rockleigh, New Jersey, the average sunshine in July is 10.3h.

When is the highest UV index in Rockleigh?

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

How high is the UV index in July in Rockleigh?

In July, the average daily maximum UV index in Rockleigh, New Jersey, is 6. A UV Index value of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV radiation.

Average temperature in July
Rockleigh, NJ

Average temperature in July - Rockleigh, NJ
  • Average high temperature in July: 84.9°F

The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.4°F).

  • Average low temperature in July: 68°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in July
Rockleigh, NJ

Average pressure in July - Rockleigh, NJ
  • Average pressure in July: 29.96"

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

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Average wind speed in July
Rockleigh, NJ

Average wind speed in July - Rockleigh, NJ
  • Average wind speed in July: 5.8mph

The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in July
Rockleigh, NJ

Average humidity in July - Rockleigh, NJ
  • Average humidity in July: 70%

The month with the highest relative humidity is February (77%).
The month with the lowest relative humidity is August (68%).

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Average rainfall in July
Rockleigh, NJ

Average rainfall in July - Rockleigh, NJ
  • Average rainfall in July: 2.68"

The wettest month (with the highest rainfall) is December (3.46").
The driest month (with the least rainfall) is September (1.73").

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Average rainfall days in July
Rockleigh, NJ

Average rainfall days in July - Rockleigh, NJ
  • Average rainfall days in July: 16.1 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.2 days).

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Average snowfall in July
Rockleigh, NJ

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

The month with the highest snowfall is March (3.07").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Rockleigh, NJ

Average snowfall days in July - Rockleigh, NJ
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.9 days).
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
Rockleigh, NJ

Average daylight in July / Average sunshine in July - Rockleigh, NJ
  • Average daylight in July: 14.8h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.3h

The month with the most sunshine is July (Average sunshine: 10.3h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in July
Rockleigh, NJ

Average sunshine days in July - Rockleigh, NJ
  • Average sunshine days in July: 13.1 days

Months with the most sunshine days are January and November (18.1 days).
Months with the least sunshine days are April and June (12.7 days).

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Average UV index in July
Rockleigh, NJ

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

Months with the highest UV index are June, July and August (UV index 6).
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
Rockleigh, NJ

Average cloud cover in July - Rockleigh, NJ
  • Average cloud cover in July: 34

Months with the most cloud cover are February, March and December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in July
Rockleigh, NJ

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

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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