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

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

Heat index

July's mean heat index is calculated to be a tropical 87.8°F (31°C). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.
Understanding the heat index involves considering values for shaded locales with light wind. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a metric representing the sensation of warmth when air temperature and moisture come together. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. When in direct sunlight, one should be cautious as it can raise the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Kids are generally in more danger than adults because they perspire less. Their large skin surface area compared to their small bodies and the excessive heat due to their actions raises their risk.

Humidity

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

Rainfall

In July, the rain falls for 18.6 days. Throughout July, 3.35" (85mm) of precipitation is accumulated. Throughout the year, there are 177.6 rainfall days, and 34.92" (887mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In New Castle, the average length of the day in July is 14h and 47min.
On the first day of July, 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

The month with the highest UV index is July, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A maximum daily UV index of 6 during July morphs into the following directions:
Ward off overexposure. Defence against solar harm is crucial. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

What is the warmest month?

July registers as the month with the average highest temperatures, reaching 82°F (27.8°C) at its peak and 60.8°F (16°C) at the lowest.

What is the temperature in July in New Castle?

In New Castle, 82°F (27.8°C) is the average high-temperature and 60.8°F (16°C) is the average low-temperature during July. In July, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the least humid month in New Castle?

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

What is the average humidity in July?

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

How much does it rain in July?

In July, in New Castle, the rain falls for 18.6 days. Throughout July, 3.35" (85mm) of precipitation is accumulated.

When it does not snow?

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

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

In New Castle, the average day length in July is 14h and 47min.

What time are sunrise and sunset in July?

On the first day of July, 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.

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

In New Castle, the average sunshine duration in July is 9.9h.

What is the month with the highest UV index?

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

What is the UV index reading in July?

In July, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health threat from unprotected exposure to 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

New Castle, Pennsylvania, USA

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