July weather forecast
Summit, NJ

Share

Weather in July

July, like June, in Summit, New Jersey, is a moderately hot summer month, with an average temperature fluctuating between 65.7°F (18.7°C) and 83.7°F (28.7°C).

Temperature

In Summit, the peak average temperatures are observed in July, with a high of 83.7°F (28.7°C) and a low of 65.7°F (18.7°C).

Heat index

In July, the average heat index is appraised at a hot 91.4°F (33°C). Adopt heightened preventive measures, heat exhaustion and heat cramps are probable. Persistent activity could lead to heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Youngsters generally face more threats than adults given their lesser ability to sweat. Coupled with their larger skin surface relative to their small bodies and higher heat production due to their activities, they are more endangered.

Humidity

The average relative humidity in July in Summit, New Jersey, is 75%.

Rainfall

The month with the most rainfall is July, when the rain falls for 17.4 days and typically aggregates up to 3.27" (83mm) of precipitation.

Snowfall

June through September are months without snowfall in Summit.

Daylight

The average length of the day in July in Summit is 14h and 45min.
On the first day of July in Summit, New Jersey, sunrise is at 5:30 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:13 pm EDT.

Sunshine

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

UV index

June through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
[Resources]

Frequently asked questions

What month is the hottest in Summit?

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 is it in Summit in July?

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

What is the average humidity in July in Summit?

In Summit, New Jersey, the average relative humidity in July is 75%.

What is the wettest month in Summit?

The month with the most rainfall in Summit is July, when the rain falls for 17.4 days and typically aggregates up to 3.27" (83mm) of precipitation.

How many days does it rain in July in Summit?

In Summit, New Jersey, during July, the rain falls for 17.4 days and regularly aggregates up to 3.27" (83mm) of precipitation.

When it does not snow in Summit?

June through September are months without snowfall in Summit, New Jersey.

How many hours of daylight does Summit have in July?

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

When are sunrise and sunset in July in Summit?

On the first day of July, sunrise is at 5:30 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:53 am and sunset at 8:13 pm EDT.

What month has the most sunshine in Summit?

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

How many hours of sunshine does Summit have in July?

In Summit, the average sunshine duration in July is 10.3h.

What is the month with the highest UV index in Summit?

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

What is the UV index intensity in July in Summit?

In July, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from 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
Summit, NJ

Average temperature in July - Summit, 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 (35.1°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).

[Resources]

Average pressure in July
Summit, NJ

Average pressure in July - Summit, 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).

[Resources]

Average wind speed in July
Summit, NJ

Average wind speed in July - Summit, 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).

[Resources]

Average humidity in July
Summit, NJ

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

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April and August (74%).

[Resources]

Average rainfall in July
Summit, NJ

Average rainfall in July - Summit, NJ
  • Average rainfall in July: 3.27"

The wettest month (with the highest rainfall) is July (3.27").
The driest month (with the least rainfall) is September (1.69").

[Resources]

Average rainfall days in July
Summit, NJ

Average rainfall days in July - Summit, NJ
  • Average rainfall days in July: 17.4 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is January (8.8 days).

[Resources]

Average snowfall in July
Summit, NJ

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

The month with the highest snowfall is March (3.5").
The months with the least snowfall are June, July, August and September (0").

[Resources]

Average snowfall days in July
Summit, NJ

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

The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

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

Average daylight in July / Average sunshine in July - Summit, 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 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).

[Resources]

Average sunshine days in July
Summit, NJ

Average sunshine days in July - Summit, NJ
  • Average sunshine days in July: 11.9 days

The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is June (10.5 days).

[Resources]

Average UV index in July
Summit, NJ

Average UV index in July - Summit, 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).

[Resources]

Average cloud cover in July
Summit, NJ

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

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

[Resources]

Average visibility in July
Summit, NJ

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

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

[Resources]

Summit, New Jersey, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location