July weather forecast
Allentown, NJ

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Weather in July

July, like June, in Allentown, New Jersey, is another warm summer month, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 84.4°F (29.1°C).

Temperature

July temperatures tend to peak at an average high of 84.4°F (29.1°C) and dip to a low of 67.6°F (19.8°C).

Heat index

July's mean heat index is appraised at a hot 93.2°F (34°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
In reference to the heat index, it's for places in shade and with a slight wind. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.

Humidity

In July, the average relative humidity in Allentown is 76%.

Rainfall

July is the month with the most rainfall. Rain falls for 17.8 days and accumulates 3.39" (86mm) of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

The average length of the day in July is 14h and 42min.
On the first day of the month, sunrise is at 5:33 am and sunset at 8:31 pm. On the last day of July, sunrise is at 5:56 am and sunset at 8:13 pm EDT.

Sunshine

The month with the most sunshine in Allentown is July, with an average of 10.5h of sunshine.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In July, a daily maximum UV index of 6 leads to the following instructions:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What month is the hottest in Allentown?

Allentown's July weather, marked by an average high temperature of 84.4°F (29.1°C) and an average low temperature of 67.6°F (19.8°C), is the warmest in the year.

How hot is July in Allentown?

During July, Allentown experiences an average high-temperature of 84.4°F (29.1°C) and a low-temperature of 67.6°F (19.8°C). In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 93.2°F (34°C).

What is the average humidity in July in Allentown?

In Allentown, the average relative humidity in July is 76%.

What is the wettest month in Allentown?

The month with the most rainfall is July, when the rain falls for 17.8 days and typically aggregates up to 3.39" (86mm) of precipitation.

How many days does it rain in July in Allentown?

In July, in Allentown, the rain falls for 17.8 days. Throughout July, 3.39" (86mm) of precipitation is accumulated.

When it does not snow in Allentown?

In Allentown, New Jersey, snow does not fall in June through October.

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

In Allentown, New Jersey, the average day length in July is 14h and 42min.

When are sunrise and sunset in July in Allentown?

In July, on the first day of the month, sunrise is at 5:33 am and sunset at 8:31 pm. On the last day of the month, in Allentown, sunrise is at 5:56 am and sunset at 8:13 pm EDT.

What month has the most sunshine in Allentown?

The month with the most sunshine in Allentown, New Jersey, is July, with an average of 10.5h of sunshine.

How many hours of sunshine does Allentown have in July?

In Allentown, New Jersey, the average sunshine duration in July is 10.5h.

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

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

What is the UV index reading in July in Allentown?

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

Average temperature in July - Allentown, 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 (37.4°F).

  • Average low temperature in July: 67.6°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

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Average pressure in July
Allentown, NJ

Average pressure in July - Allentown, 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
Allentown, NJ

Average wind speed in July - Allentown, NJ
  • Average wind speed in July: 5.7mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in July
Allentown, NJ

Average humidity in July - Allentown, NJ
  • Average humidity in July: 76%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in July
Allentown, NJ

Average rainfall in July - Allentown, NJ
  • Average rainfall in July: 3.39"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is September (1.65").

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Average rainfall days in July
Allentown, NJ

Average rainfall days in July - Allentown, NJ
  • Average rainfall days in July: 17.8 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in July
Allentown, NJ

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

The month with the highest snowfall is March (3.11").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Allentown, NJ

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

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in July / Average sunshine in July - Allentown, 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 24min).

  • Average sunshine in July: 10h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in July
Allentown, NJ

Average sunshine days in July - Allentown, NJ
  • Average sunshine days in July: 11 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11 days).

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Average UV index in July
Allentown, NJ

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

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in July
Allentown, NJ

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

The months with the most cloud cover are February, March and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in July
Allentown, NJ

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

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

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Allentown, New Jersey, USA

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