July weather forecast
Hellertown, PA

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Weather in July

July, like June, in Hellertown, Pennsylvania, is another warm summer month, with temperature in the range of an average high of 83.5°F (28.6°C) and an average low of 63.5°F (17.5°C).

Temperature

July, having an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 63.5°F (17.5°C), is the warmest month.

Heat index

July's heat index is appraised at a tropical 91.4°F (33°C). Greater safety measures are needed, risk of heat exhaustion and heat cramps is high. Continuous activity might trigger heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', comes about by integrating the temperature readings with the humidity levels. This effect is subjective, differing among individuals based on their physical activity and perception of heat, which can be influenced by factors like wind, clothing, and metabolic variances. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.

Humidity

The months with the lowest humidity in Hellertown are April and July, with an average relative humidity of 76%.

Rainfall

July is the month with the most rainfall. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.

Snowfall

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

Daylight

In Hellertown, the average length of the day in July is 14h and 44min.
On the first day of July, sunrise is at 5:34 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:17 pm EDT.

Sunshine

The month with the most sunshine is July, with an average of 10.4h of sunshine.

UV index

May through July, with an average maximum UV index of 6, are months with the highest UV index in Hellertown. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 6 in July transforms into this advice:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
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Frequently asked questions

What are the warmest months in Hellertown?

The warmest period in Hellertown tends to be July, when average temperatures fluctuate between a high of 83.5°F (28.6°C) and a low of 63.5°F (17.5°C).

How hot is July in Hellertown?

The high-temperature in Hellertown, Pennsylvania, during July is 83.5°F (28.6°C) and the low-temperature is 63.5°F (17.5°C). In July, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 91.4°F (33°C).

What are the least humid months in Hellertown?

The months with the lowest humidity in Hellertown, Pennsylvania, are April and July, with an average relative humidity of 76%.

What is the average humidity in July in Hellertown?

The average relative humidity in July is 76%.

What is the rainiest month in Hellertown?

July is the month with the most rainfall in Hellertown, Pennsylvania. Rain falls for 16.2 days and accumulates 2.91" (74mm) of precipitation.

How many days does it rain in July in Hellertown?

In Hellertown, in July, during 16.2 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

When it does not snow in Hellertown?

June through September are months without snowfall.

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

In July, the average day length is 14h and 44min.

What time are sunrise and sunset in July in Hellertown?

On the first day of July in Hellertown, sunrise is at 5:34 am and sunset at 8:36 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:17 pm EDT.

What month has the most sunshine in Hellertown?

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

How long on average sun shines in July in Hellertown?

In July, the average sunshine duration is 10.4h.

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

May through July, with an average maximum UV index of 6, are months with the highest UV index in Hellertown.

What is the UV index reading in July in Hellertown?

In Hellertown, the average daily maximum UV index in July is 6. A UV Index reading of 6 to 7 represents a high health vulnerability 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
Hellertown, PA

Average temperature in July - Hellertown, PA
  • Average high temperature in July: 83.5°F

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in July: 63.5°F

The month with the highest average low temperature is July (63.5°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in July
Hellertown, PA

Average pressure in July - Hellertown, PA
  • Average pressure in July: 29.96"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in July
Hellertown, PA

Average wind speed in July - Hellertown, PA
  • Average wind speed in July: 5.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in July
Hellertown, PA

Average humidity in July - Hellertown, PA
  • Average humidity in July: 76%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April and July (76%).

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Average rainfall in July
Hellertown, PA

Average rainfall in July - Hellertown, PA
  • Average rainfall in July: 2.91"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.57").

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Average rainfall days in July
Hellertown, PA

Average rainfall days in July - Hellertown, PA
  • Average rainfall days in July: 16.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in July
Hellertown, PA

Average snowfall in July - Hellertown, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (4.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Hellertown, PA

Average snowfall days in July - Hellertown, PA
  • Average snowfall days in July: 0 days

The months with the highest number of snowfall days are January and February (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
Hellertown, PA

Average daylight in July / Average sunshine in July - Hellertown, PA
  • 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in July
Hellertown, PA

Average sunshine days in July - Hellertown, PA
  • Average sunshine days in July: 11.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11 days).

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Average UV index in July
Hellertown, PA

Average UV index in July - Hellertown, PA
  • Average UV index in July: 6

The months with the highest UV index are May, June and July (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
Hellertown, PA

Average cloud cover in July - Hellertown, PA
  • Average cloud cover in July: 34

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 34).

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Average visibility in July
Hellertown, PA

Average visibility in July - Hellertown, PA
  • Average visibility in July: 5mi

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

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Hellertown, Pennsylvania, USA

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