July weather forecast
Dunellen, NJ

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Weather in July

July, the same as June, is another warm summer month in Dunellen, New Jersey, with temperature in the range of an average low of 66.6°F (19.2°C) and an average high of 84.4°F (29.1°C).

Temperature

The warmest period is July, when temperatures fluctuate between an average high of 84.4°F (29.1°C) and a low of 66.6°F (19.2°C).

Heat index

July's average heat index is calculated to be a tropical 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', determines the feeling of heat when you account for the relative humidity. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The average relative humidity in July is 74%.

Rainfall

In Dunellen, during July, the rain falls for 16.4 days and regularly aggregates up to 3.03" (77mm) of precipitation. In Dunellen, during the entire year, the rain falls for 155.4 days and collects up to 31.18" (792mm) of precipitation.

Snowfall

In Dunellen, snow does not fall in June through September.

Daylight

In Dunellen, the average length of the day in July is 14h and 44min.
On the first day of July in Dunellen, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:54 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

The months with the highest UV index in Dunellen are June through August, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 6 in July translates into the following instructions:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
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Frequently asked questions

What time of the year is the hottest in Dunellen?

Dunellen's July weather reaches an average high of 84.4°F (29.1°C) and an average low of 66.6°F (19.2°C), making it the warmest month.

How hot does it get in Dunellen in July?

The average high-temperature and low-temperature in Dunellen, New Jersey, during July are 84.4°F (29.1°C) and 66.6°F (19.2°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 93.2°F (34°C).

What is the average humidity in July in Dunellen?

The average relative humidity in July in Dunellen, New Jersey, is 74%.

How much does it rain in Dunellen in July?

In Dunellen, New Jersey, in July, it is raining for 16.4 days, with typically 3.03" (77mm) of accumulated precipitation.

When it does not snow in Dunellen?

In Dunellen, New Jersey, snow does not fall in June through September.

How many hours of daylight does Dunellen have in July?

The average day length in July in Dunellen, New Jersey, is 14h and 44min.

When is the sunrise / sunset in July in Dunellen?

In July, on the first day of the month, sunrise is at 5:31 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:13 pm EDT.

What month has the most sunshine in Dunellen?

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

How many hours of sunshine does Dunellen have in July?

In July, the average sunshine duration is 10.3h.

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

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

How high is the UV index in July in Dunellen?

In Dunellen, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Dunellen, NJ

Average temperature in July - Dunellen, NJ
  • Average high temperature in July: 84.4°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in July: 66.6°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).

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Average pressure in July
Dunellen, NJ

Average pressure in July - Dunellen, 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).

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Average wind speed in July
Dunellen, NJ

Average wind speed in July - Dunellen, NJ
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity in July
Dunellen, NJ

Average humidity in July - Dunellen, NJ
  • Average humidity in July: 74%

The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are April and August (73%).

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Average rainfall in July
Dunellen, NJ

Average rainfall in July - Dunellen, NJ
  • Average rainfall in July: 3.03"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in July
Dunellen, NJ

Average rainfall days in July - Dunellen, NJ
  • Average rainfall days in July: 16.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.4 days).

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Average snowfall in July
Dunellen, NJ

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

The month with the highest snowfall is March (4.06").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Dunellen, NJ

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

The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in July / Average sunshine in July - Dunellen, NJ
  • Average daylight in July: 14h and 4min

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).

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Average sunshine days in July
Dunellen, NJ

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

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (11.6 days).

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Average UV index in July
Dunellen, NJ

Average UV index in July - Dunellen, 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
Dunellen, NJ

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

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

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Average visibility in July
Dunellen, NJ

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

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

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Dunellen, New Jersey, USA

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