July weather forecast
Whippany, NJ

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Weather in July

July, the same as June, is a moderately hot summer month in Whippany, New Jersey, with temperature in the range of an average low of 65.7°F (18.7°C) and an average high of 83.7°F (28.7°C).

Temperature

July, recognised by an average high temperature of 83.7°F (28.7°C) and a low of 65.7°F (18.7°C), is Whippany's warmest month.

Heat index

July's mean heat index is appraised at a tropical 91.4°F (33°C). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Heat index values are typically calculated for conditions of shade and a light breeze. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', gives an indication of how one might feel in terms of heat after considering humidity. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

In Whippany, the average relative humidity in July is 75%.

Rainfall

July is the month with the most rainfall. Rain falls for 17.6 days and accumulates 3.19" (81mm) of precipitation.

Snowfall

In Whippany, snow does not fall in June through October.

Daylight

In Whippany, the average length of the day in July is 14h and 46min.
On the first day of July, sunrise is at 5:30 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:14 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.3h of sunshine.

UV index

The 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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 6 in July transforms into the following instructions:
Resist overexposure. Safeguarding from solar damage is indispensable. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the hottest time of year?

July, marked by an average high-temperature of 83.7°F (28.7°C) and a low-temperature of 65.7°F (18.7°C), is the warmest month.

How hot does it get in July?

In Whippany, in July, the average high-temperature is 83.7°F (28.7°C), and the average low-temperature is 65.7°F (18.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 91.4°F (33°C).

What is the average humidity in July?

In July, the average relative humidity is 75%.

What is the rainiest month?

July is the month with the most rainfall in Whippany. Rain falls for 17.6 days and accumulates 3.19" (81mm) of precipitation.

How much does it rain in July?

In July, in Whippany, the rain falls for 17.6 days. Throughout July, 3.19" (81mm) of precipitation is accumulated.

When it does not snow?

In Whippany, snow does not fall in June through October.

What is the average length of the day in July?

In Whippany, New Jersey, the average day length in July is 14h and 46min.

When are sunrise and sunset in July?

On the first day of July, sunrise is at 5:30 am and sunset at 8:33 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:14 pm EDT.

What month has the most sunshine?

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

How long on average sun shines in July?

In July, the average sunshine duration is 10.3h.

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.

How high is the UV index in July?

In July, the average daily maximum UV index in Whippany is 6. A UV Index of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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
Whippany, NJ

Average temperature in July - Whippany, NJ
  • Average high temperature in July: 83.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in July: 65.7°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

Average pressure in July
Whippany, NJ

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

Average wind speed in July - Whippany, NJ
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in July
Whippany, NJ

Average humidity in July - Whippany, NJ
  • Average humidity in July: 75%

The months with the highest relative humidity are February, October and December (80%).
The month with the lowest relative humidity is April (74%).

Average rainfall in July
Whippany, NJ

Average rainfall in July - Whippany, NJ
  • Average rainfall in July: 3.19"

The wettest month (with the highest rainfall) is July (3.19").
The driest months (with the least rainfall) are January, February and September (1.57").

Average rainfall days in July
Whippany, NJ

Average rainfall days in July - Whippany, NJ
  • Average rainfall days in July: 17.6 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in July
Whippany, NJ

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

The month with the highest snowfall is March (3.7").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in July
Whippany, NJ

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

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

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

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 July: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in July
Whippany, NJ

Average sunshine days in July - Whippany, NJ
  • Average sunshine days in July: 10.9 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.9 days).

Average UV index in July
Whippany, NJ

Average UV index in July - Whippany, 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).

Average cloud cover in July
Whippany, NJ

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

The months with the most cloud cover are February, March and December (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

Average visibility in July
Whippany, NJ

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

The months with the highest visibility are January, February, March, April, July, August, October, November and December (6mi).
The months with the lowest visibility are May, June and September (5mi).

Whippany, New Jersey, USA

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