July weather forecast and climate
Edison, NJ

Weather in July

July, the same as June, is a moderately hot summer month in Edison, New Jersey, with average temperature ranging between max 84°F (28.9°C) and min 68.2°F (20.1°C).

Temperature

July is the warmest month, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 68.2°F (20.1°C).

Heat index

The average heat index is calculated to a hot 91.6°F (33.1°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. 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', 'apparent temperature', or 'felt air temperature', is calculated by taking the relative humidity value for a specific location and factoring it into the air temperature reading. This effect is subjective, depending on the activity and individual's heat perception influenced by various reasons (clothing, differences in body mass, height, and shape, pregnancy). Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, 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 is 73%.

Rainfall

The month with the most rainfall is July when the rain falls for 16.8 days and typically aggregates up to 3.07" (78mm) of precipitation.

Snowfall

In Edison snow does not fall in May through October.

Daylight

In July, the average length of the day is 14.7h.

Sunshine

With an average of 10.4h of sunshine, July has the most sunshine of the year.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health hazard from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 6 transform into the following instructions:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the warmest month in Edison?

The warmest month in Edison, New Jersey, is July, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 68.2°F (20.1°C).

What is the temperature in July in Edison?

In July, in Edison, New Jersey, the average high-temperature is 84°F (28.9°C), and the average low-temperature is 68.2°F (20.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), that combines relative humidity and air temperature, in July is calculated to 91.6°F (33.1°C).

What is the average humidity in July in Edison?

In July, the average relative humidity in Edison, New Jersey, is 73%.

How much does it rain in Edison in July?

In July, in Edison, the rain falls for 16.8 days. Throughout July, 3.07" (78mm) of precipitation is accumulated.

What is the wettest month in Edison?

The month with the most rainfall in Edison, New Jersey, is July when the rain falls for 16.8 days and typically aggregates up to 3.07" (78mm) of precipitation.

When it does not snow in Edison?

May through October are months without snowfall.

What is the average length of the day in July in Edison?

In Edison, New Jersey, the average length of the day in July is 14.7h.

What month has the most sunshine in Edison?

July has the most sunshine of the year, with an average of 10.4h of sunshine.

How many hours of sunshine does Edison have in July?

In July, the average sunshine in Edison is 10.4h.

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

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

What is the UV index reading in July in Edison?

In July, the average daily maximum UV index in Edison, New Jersey, is 6. A UV Index reading of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in July
Edison, NJ

Average temperature in July - Edison, NJ
  • Average high temperature in July: 84°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in July: 68.2°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in July
Edison, NJ

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

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in July
Edison, NJ

Average wind speed in July - Edison, NJ
  • Average wind speed in July: 6mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in July
Edison, NJ

Average humidity in July - Edison, NJ
  • Average humidity in July: 73%

Months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is August (72%).

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Average rainfall in July
Edison, NJ

Average rainfall in July - Edison, NJ
  • Average rainfall in July: 3.07"

The wettest month (with the highest rainfall) is July (3.07").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in July
Edison, NJ

Average rainfall days in July - Edison, NJ
  • Average rainfall days in July: 16.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in July
Edison, NJ

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

The month with the highest snowfall is March (3.27").
Months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Edison, NJ

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

The month with the highest number of snowfall days is January (5.6 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
Edison, NJ

Average daylight in July / Average sunshine in July - Edison, NJ
  • Average daylight in July: 14.7h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in July: 10.4h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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Average sunshine days in July
Edison, NJ

Average sunshine days in July - Edison, NJ
  • Average sunshine days in July: 11.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in July
Edison, NJ

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

Months with the highest UV index are May, 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
Edison, NJ

Average cloud cover in July - Edison, NJ
  • Average cloud cover in July: 32

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

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Average visibility in July
Edison, NJ

Average visibility in July - Edison, 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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