July weather forecast
Newtown Square, PA

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Weather in July

July, like June, in Newtown Square, Pennsylvania, is a moderately hot summer month, with an average temperature varying between 85.3°F (29.6°C) and 67.6°F (19.8°C).

Temperature

July stands out as Newtown Square's warmest month, with temperatures ranging between an average high of 85.3°F (29.6°C) and a low of 67.6°F (19.8°C).

Heat index

In July, the average heat index is calculated to be a sweltering 95°F (35°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Be aware that heat index ratings are designed for shaded locations and minor breezes. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', provides an understanding of perceived warmth by combining temperature and relative humidity. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. In situations of high air temperature combined with high humidity (significant heat index), the body's ability to perspire is reduced, heightening the sense of warmth. Accumulating more heat than the body can dissipate leads to an uptick in body temperature, with potential heat stress consequences.

Humidity

April, July and August, with an average relative humidity of 73%, are the least humid months in Newtown Square.

Rainfall

In Newtown Square, during July, the rain falls for 16.8 days and regularly aggregates up to 2.32" (59mm) of precipitation. Throughout the year, there are 138.1 rainfall days, and 20.79" (528mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in July is 14h and 41min.
On the first day of the month, sunrise is at 5:36 am and sunset at 8:34 pm. On the last day of July, in Newtown Square, sunrise is at 5:59 am and sunset at 8:16 pm EDT.

Sunshine

With an average of 10.5h 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 in Newtown Square. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 6 during July translates into the following guidance:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Frequently asked questions

What are the warmest months in Newtown Square?

The warmest time of the year is July, with temperatures averaging a high of 85.3°F (29.6°C) and a low of 67.6°F (19.8°C).

How hot does it get in Newtown Square in July?

The high-temperature, in July, in Newtown Square, records 85.3°F (29.6°C), while the low-temperature is 67.6°F (19.8°C). In July, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 95°F (35°C).

What are the least humid months in Newtown Square?

April, July and August, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in July in Newtown Square?

In Newtown Square, the average relative humidity in July is 73%.

How much does it rain in Newtown Square in July?

In Newtown Square, Pennsylvania, during July, the rain falls for 16.8 days and regularly aggregates up to 2.32" (59mm) of precipitation.

When it does not snow in Newtown Square?

June through September are months without snowfall.

How many hours of daylight does Newtown Square have in July?

The average day length in July in Newtown Square is 14h and 41min.

When is the sunrise / sunset in July in Newtown Square?

In July, on the first day of the month, sunrise is at 5:36 am and sunset at 8:34 pm. On the last day of the month, in Newtown Square, Pennsylvania, sunrise is at 5:59 am and sunset at 8:16 pm EDT.

What month has the most sunshine in Newtown Square?

With an average of 10.5h of sunshine, July has the most sunshine of the year in Newtown Square, Pennsylvania.

How long on average sun shines in July in Newtown Square?

In July, the average sunshine duration in Newtown Square is 10.5h.

When is the highest UV index in Newtown Square?

May through August, with an average maximum UV index of 6, are months with the highest UV index in Newtown Square.

What is the UV index intensity in July in Newtown Square?

The average daily maximum UV index in July in Newtown Square, Pennsylvania, is 6. A UV Index estimate of 6 to 7 represents 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
Newtown Square, PA

Average temperature in July - Newtown Square, PA
  • Average high temperature in July: 85.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (36.5°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 (24.3°F).

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Average pressure in July
Newtown Square, PA

Average pressure in July - Newtown Square, 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
Newtown Square, PA

Average wind speed in July - Newtown Square, PA
  • Average wind speed in July: 5.4mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Newtown Square, PA

Average humidity in July - Newtown Square, PA
  • Average humidity in July: 73%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April, July and August (73%).

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Average rainfall in July
Newtown Square, PA

Average rainfall in July - Newtown Square, PA
  • Average rainfall in July: 2.32"

The wettest month (with the highest rainfall) is August (2.72").
The driest months (with the least rainfall) are January, February and November (1.3").

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Average rainfall days in July
Newtown Square, PA

Average rainfall days in July - Newtown Square, PA
  • 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 (6.3 days).

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Average snowfall in July
Newtown Square, PA

Average snowfall in July - Newtown Square, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is March (1.93").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
Newtown Square, PA

Average snowfall days in July - Newtown Square, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (6.1 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
Newtown Square, PA

Average daylight in July / Average sunshine in July - Newtown Square, 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 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 30min).

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Average sunshine days in July
Newtown Square, PA

Average sunshine days in July - Newtown Square, PA
  • Average sunshine days in July: 12.7 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (12.7 days).

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Average UV index in July
Newtown Square, PA

Average UV index in July - Newtown Square, PA
  • 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, March, November and December (UV index 2).

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Average cloud cover in July
Newtown Square, PA

Average cloud cover in July - Newtown Square, PA
  • Average cloud cover in July: 33

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in July
Newtown Square, PA

Average visibility in July - Newtown Square, PA
  • 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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Newtown Square, Pennsylvania, USA

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