July weather forecast
Penllyn, PA

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Weather in July

July is a hot summer month in Penllyn, Pennsylvania, with an average temperature varying between 68.2°F (20.1°C) and 86.2°F (30.1°C).

Temperature

Penllyn's warmest month, July, registers temperatures that range from a high of 86.2°F (30.1°C) to a low of 68.2°F (20.1°C).

Heat index

The heat index in July is evaluated at a very hot 96.8°F (36°C). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', offers an insight into how hot it feels when we factor in moisture content. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance 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.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. As the body gains more heat than it can dissipate, there's a risk of increasing temperatures and resultant overheating.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 72%.

Rainfall

In Penllyn, Pennsylvania, in July, it is raining for 13.9 days, with typically 1.42" (36mm) of accumulated precipitation. In Penllyn, during the entire year, the rain falls for 122.4 days and collects up to 12.68" (322mm) of precipitation.

Snowfall

In Penllyn, snow does not fall in May through October.

Daylight

The average length of the day in July in Penllyn, Pennsylvania, is 14h and 42min.
On the first day of July, sunrise is at 5:35 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:15 pm EDT.

Sunshine

July has the most sunshine of the year, with an average of 10.7h of sunshine.

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 risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 6 during July translates into the following recommendations:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
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Frequently asked questions

What month is the hottest in Penllyn?

July registers as the month with the average highest temperatures in Penllyn, reaching 86.2°F (30.1°C) at its peak and 68.2°F (20.1°C) at the lowest.

How hot does it get in Penllyn in July?

In July, the average high-temperature and low-temperature are 86.2°F (30.1°C) and 68.2°F (20.1°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in July is evaluated at 96.8°F (36°C).

What are the least humid months in Penllyn?

April, July and August, with an average relative humidity of 72%, are the least humid months.

What is the average humidity in July in Penllyn?

The average relative humidity in July in Penllyn, Pennsylvania, is 72%.

How much does it rain in Penllyn in July?

In Penllyn, Pennsylvania, in July, during 13.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow in Penllyn?

In Penllyn, snow does not fall in May through October.

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

In Penllyn, Pennsylvania, the average day length in July is 14h and 42min.

When is the sunrise / sunset in July in Penllyn?

On the first day of July in Penllyn, Pennsylvania, sunrise is at 5:35 am and sunset at 8:34 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 8:15 pm EDT.

What month has the most sunshine in Penllyn?

The month with the most sunshine in Penllyn is July, with an average of 10.7h of sunshine.

How many hours of sunshine does Penllyn have in July?

In Penllyn, the average sunshine duration in July is 10.7h.

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

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

How high is the UV index in July in Penllyn?

In Penllyn, Pennsylvania, the average daily maximum UV index in July is 6. A UV Index of 6 to 7 symbolizes a high health threat 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
Penllyn, PA

Average temperature in July - Penllyn, PA
  • Average high temperature in July: 86.2°F

The warmest month (with the highest average high temperature) is July (86.2°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 (24.6°F).

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Average pressure in July
Penllyn, PA

Average pressure in July - Penllyn, 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
Penllyn, PA

Average wind speed in July - Penllyn, PA
  • Average wind speed in July: 5.5mph

The windiest month (with the highest average wind speed) is March (8.4mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in July
Penllyn, PA

Average humidity in July - Penllyn, PA
  • Average humidity in July: 72%

The months with the highest relative humidity are February, October and December (78%).
The months with the lowest relative humidity are April, July and August (72%).

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Average rainfall in July
Penllyn, PA

Average rainfall in July - Penllyn, PA
  • Average rainfall in July: 1.42"

The wettest month (with the highest rainfall) is August (1.54").
The driest month (with the least rainfall) is September (0.75").

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Average rainfall days in July
Penllyn, PA

Average rainfall days in July - Penllyn, PA
  • Average rainfall days in July: 13.9 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is November (6.4 days).

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Average snowfall in July
Penllyn, PA

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

The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in July
Penllyn, PA

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

The month with the highest number of snowfall days is January (5.1 days).
The 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
Penllyn, PA

Average daylight in July / Average sunshine in July - Penllyn, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in July
Penllyn, PA

Average sunshine days in July - Penllyn, PA
  • Average sunshine days in July: 14.7 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (14.4 days).

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Average UV index in July
Penllyn, PA

Average UV index in July - Penllyn, 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
Penllyn, PA

Average cloud cover in July - Penllyn, PA
  • Average cloud cover in July: 31

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in July
Penllyn, PA

Average visibility in July - Penllyn, 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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Penllyn, Pennsylvania, USA

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