July weather forecast
Yardley, PA

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Weather in July

July, like June, in Yardley, Pennsylvania, is a moderately hot summer month, with an average temperature fluctuating between 85.5°F (29.7°C) and 67.1°F (19.5°C).

Temperature

In Yardley, Pennsylvania, the highest average temperatures are observed in July, with a high of 85.5°F (29.7°C) and a low of 67.1°F (19.5°C).

Heat index

During July, the heat index is estimated at a very hot 95°F (35°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.
The standards for the heat index are set for locations in shade and under light breezes. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital 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.
To offset high temperatures, the human body releases sweat which, upon evaporation, cools it down. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In July, the average relative humidity is 73%.

Rainfall

July is the month with the most rainfall. Rain falls for 12.4 days and accumulates 1.26" (32mm) of precipitation.

Snowfall

In Yardley, snow does not fall in June through October.

Daylight

The average length of the day in July in Yardley is 14h and 42min.
On the first day of the month, sunrise is at 5:33 am and sunset at 8:32 pm. On the last day of July, in Yardley, Pennsylvania, sunrise is at 5:57 am and sunset at 8:14 pm EDT.

Sunshine

July has the most sunshine of the year in Yardley, with an average of 10.6h 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 threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 6 during July, leads to the following recommendations:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Minimize exposure to direct sunlight and seek shade from 10 a.m. to 4 p.m., when UV radiation is most intense, but remember that shade structures may not offer complete protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What part of the year is the hottest in Yardley?

July stands out as Yardley's warmest month, with an average high-temperature of 85.5°F (29.7°C) and a low-temperature of 67.1°F (19.5°C).

How hot is July in Yardley?

Yardley in July has an average high-temperature of 85.5°F (29.7°C) and an average low-temperature of 67.1°F (19.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, is estimated at 95°F (35°C).

What is the average humidity in July in Yardley?

The average relative humidity in July in Yardley, Pennsylvania, is 73%.

What is the wettest month in Yardley?

The month with the most rainfall in Yardley is July, when the rain falls for 12.4 days and typically aggregates up to 1.26" (32mm) of precipitation.

How many days does it rain in July in Yardley?

In Yardley, in July, it is raining for 12.4 days, with typically 1.26" (32mm) of accumulated precipitation.

When it does not snow in Yardley?

June through October are months without snowfall.

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

The average day length in July is 14h and 42min.

What time are sunrise and sunset in July in Yardley?

In July, on the first day of the month, sunrise is at 5:33 am and sunset at 8:32 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 8:14 pm EDT.

What month has the most sunshine in Yardley?

The month with the most sunshine in Yardley is July, with an average of 10.6h of sunshine.

How long on average sun shines in July in Yardley?

In Yardley, the average sunshine duration in July is 10.6h.

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

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

What is the UV index reading in July in Yardley?

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

Average temperature in July - Yardley, PA
  • Average high temperature in July: 85.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in July: 67.1°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in July
Yardley, PA

Average pressure in July - Yardley, PA
  • 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
Yardley, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

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Average humidity in July
Yardley, PA

Average humidity in July - Yardley, PA
  • Average humidity in July: 73%

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

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Average rainfall in July
Yardley, PA

Average rainfall in July - Yardley, PA
  • Average rainfall in July: 1.26"

The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is September (0.51").

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Average rainfall days in July
Yardley, PA

Average rainfall days in July - Yardley, PA
  • Average rainfall days in July: 12.4 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (6.4 days).

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Average snowfall in July
Yardley, PA

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

The month with the highest snowfall is February (0.71").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in July
Yardley, PA

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

The month with the highest number of snowfall days is January (4.5 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
Yardley, PA

Average daylight in July / Average sunshine in July - Yardley, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in July
Yardley, PA

Average sunshine days in July - Yardley, PA
  • Average sunshine days in July: 15.8 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (14.8 days).

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Average UV index in July
Yardley, PA

Average UV index in July - Yardley, 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
Yardley, PA

Average cloud cover in July - Yardley, PA
  • Average cloud cover in July: 32

The months with the most cloud cover are February 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
Yardley, PA

Average visibility in July - Yardley, PA
  • Average visibility in July: 6mi

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

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Yardley, Pennsylvania, USA

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