July weather forecast
New Castle, PA

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Weather in July

July is the zenith of summer in New Castle, Pennsylvania, characterized by warm temperatures, sunny skies, and a cheerful ambience. These summer conditions peak with the highest average temperature registering at 82°F (27.8°C). The combination of reduced cloud cover and ample sunlight make this the ideal month for outdoor adventures, lake visits, and barbecues. Despite the heat, the fascinating greenery and the serene atmosphere make July one of the most loved months in the city.

Temperature

With an average high-temperature of 82°F (27.8°C) and an average low-temperature of 60.8°F (16°C), July is the warmest month.

Heat index

For July, the heat index is estimated at a tropical 87.8°F (31°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.
It is important to note that the heat index values are for shaded areas and light wind scenarios. Heat index values may surge by up to 15 Fahrenheit (8 Celsius) degrees in the presence of direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', gives a temperature feeling by integrating air temperature and humidity. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.

Humidity

The months with the lowest humidity are April through August, with an average relative humidity of 78%.

Rainfall

In New Castle, in July, it is raining for 18.6 days, with typically 3.35" (85mm) of accumulated precipitation. In New Castle, during the entire year, the rain falls for 177.6 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

June through September are months without snowfall in New Castle.

Daylight

In New Castle, the average length of the day in July is 14h and 47min.
On the first day of July in New Castle, Pennsylvania, sunrise is at 5:53 am and sunset at 8:57 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:38 pm EDT.

Sunshine

The average sunshine in July is 9.9h.

UV index

With an average maximum UV index of 6, July is the month with the highest UV index. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In July, the UV index of 6 transforms into the following advice:
Implement precautions and maintain sun safety methods. Avoidance of sunburn is demanded. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
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Frequently asked questions

What is the warmest month in New Castle?

In New Castle, Pennsylvania, the peak average temperatures are observed in July, with a high of 82°F (27.8°C) and a low of 60.8°F (16°C).

What is the usual temperature for New Castle in July?

The high-temperature in New Castle, Pennsylvania, during July is 82°F (27.8°C) and the low-temperature is 60.8°F (16°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is estimated at 87.8°F (31°C).

What are the least humid months in New Castle?

April through August, with an average relative humidity of 78%, are the least humid months in New Castle, Pennsylvania.

What is the average humidity in July in New Castle?

The average relative humidity in July in New Castle is 78%.

How much does it rain in New Castle in July?

In New Castle, during July, the rain falls for 18.6 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When it does not snow in New Castle?

In New Castle, snow does not fall in June through September.

How many hours of daylight does New Castle have in July?

The average day length in July in New Castle, Pennsylvania, is 14h and 47min.

When are sunrise and sunset in July in New Castle?

In July, on the first day of the month, sunrise is at 5:53 am and sunset at 8:57 pm. On the last day of the month, in New Castle, sunrise is at 6:17 am and sunset at 8:38 pm EDT.

How many hours of sunshine does New Castle have in July?

The average sunshine duration in July is 9.9h.

When is the highest UV index in New Castle?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the UV index intensity in July in New Castle?

The average daily maximum UV index in July in New Castle is 6. A UV Index value of 6 to 7 symbolizes 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
New Castle, PA

Average temperature in July - New Castle, PA
  • Average high temperature in July: 82°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in July: 60.8°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

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Average pressure in July
New Castle, PA

Average pressure in July - New Castle, PA
  • Average pressure in July: 29.97"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
New Castle, PA

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

The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in July
New Castle, PA

Average humidity in July - New Castle, PA
  • Average humidity in July: 78%

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, May, June, July and August (78%).

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Average rainfall in July
New Castle, PA

Average rainfall in July - New Castle, PA
  • Average rainfall in July: 3.35"

The wettest month (with the highest rainfall) is June (3.66").
The driest month (with the least rainfall) is November (2.24").

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Average rainfall days in July
New Castle, PA

Average rainfall days in July - New Castle, PA
  • Average rainfall days in July: 18.6 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in July
New Castle, PA

Average snowfall in July - New Castle, PA
  • Average snowfall in July: 0"

The month with the highest snowfall is January (6.93").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in July
New Castle, PA

Average snowfall days in July - New Castle, PA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (18.6 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
New Castle, PA

Average daylight in July / Average sunshine in July - New Castle, PA
  • Average daylight in July: 14h and 5min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in July: 9h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 30min).

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Average sunshine days in July
New Castle, PA

Average sunshine days in July - New Castle, PA
  • Average sunshine days in July: 10.5 days

The month with the most sunshine days is November (13.5 days).
The month with the least sunshine days is February (7 days).

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Average UV index in July
New Castle, PA

Average UV index in July - New Castle, PA
  • Average UV index in July: 6

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in July
New Castle, PA

Average cloud cover in July - New Castle, PA
  • Average cloud cover in July: 37

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in July
New Castle, PA

Average visibility in July - New Castle, PA
  • Average visibility in July: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February and December (4mi).

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New Castle, Pennsylvania, USA

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