July weather forecast
Irwin, PA

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Weather in July

July, the same as June, is a moderately hot summer month in Irwin, Pennsylvania, with an average temperature fluctuating between 82.9°F (28.3°C) and 61.5°F (16.4°C).

Temperature

Irwin reaches its highest average temperatures in July, measuring 82.9°F (28.3°C) at the peak and 61.5°F (16.4°C) at the lowest.

Heat index

Throughout July, the heat index is estimated at a hot 89.6°F (32°C). Persisting in activity during long-term exposure might induce weariness, with subsequent heat cramps.
Heat index data is primarily for areas with shade and subjected to light winds. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', represents the fusion of temperature and moisture in the air to suggest how warm it feels. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Given the impact of direct sunlight, it's noteworthy that the felt temperature can rise by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The months with the lowest humidity are April, July and August, with an average relative humidity of 76%.

Rainfall

In Irwin, in July, during 17.2 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, there are 161.9 rainfall days, and 19.29" (490mm) of precipitation is accumulated.

Snowfall

In Irwin, snow does not fall in May through September.

Daylight

In July, the average length of the day is 14h and 43min.
On the first day of the month, sunrise is at 5:53 am and sunset at 8:52 pm. On the last day of July, sunrise is at 6:16 am and sunset at 8:34 pm EDT.

Sunshine

The average sunshine in July is 10.1h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 6 in July interprets into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What are the warmest months in Irwin?

July, recording an average high temperature of 82.9°F (28.3°C) and a low temperature of 61.5°F (16.4°C), is Irwin's warmest month.

Is it hot during July?

In July, the average high-temperature and low-temperature are 82.9°F (28.3°C) and 61.5°F (16.4°C) respectively. The average heat index (a.k.a. 'feels like', 'real feel'), which represents the influence of relative humidity on air temperature, in July is estimated at 89.6°F (32°C).

What is the least humid month?

April, July and August, with an average relative humidity of 76%, are the least humid months in Irwin, Pennsylvania.

What is the average humidity in July?

The average relative humidity in July is 76%.

How much does it rain in July?

In July, the rain falls for 17.2 days. Throughout July, 2.13" (54mm) of precipitation is accumulated.

When it does not snow?

In Irwin, snow does not fall in May through September.

How many hours of daylight does Irwin have in July?

In Irwin, the average day length in July is 14h and 43min.

When is the sunrise / sunset in July?

In July, on the first day of the month, sunrise is at 5:53 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:34 pm EDT.

How long on average sun shines in July?

In July, the average sunshine duration is 10.1h.

When is the highest UV index?

The months with the highest UV index are May through August, 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 hazard to health from unsafe 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
Irwin, PA

Average temperature in July - Irwin, PA
  • Average high temperature in July: 82.9°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.6°F).

  • Average low temperature in July: 61.5°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in July
Irwin, PA

Average pressure in July - Irwin, PA
  • Average pressure in July: 29.98"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in July
Irwin, PA

Average wind speed in July - Irwin, PA
  • Average wind speed in July: 4.8mph

The windiest month (with the highest average wind speed) is January (8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in July
Irwin, PA

Average humidity in July - Irwin, PA
  • Average humidity in July: 76%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (76%).

Average rainfall in July
Irwin, PA

Average rainfall in July - Irwin, PA
  • Average rainfall in July: 2.13"

The wettest month (with the highest rainfall) is May (2.28").
The driest months (with the least rainfall) are January and November (1.14").

Average rainfall days in July
Irwin, PA

Average rainfall days in July - Irwin, PA
  • Average rainfall days in July: 17.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in July
Irwin, PA

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

The month with the highest snowfall is January (2.13").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in July
Irwin, PA

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

The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in July /
Average sunshine in July
Irwin, PA

Average daylight in July / Average sunshine in July - Irwin, 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 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in July
Irwin, PA

Average sunshine days in July - Irwin, PA
  • Average sunshine days in July: 11.5 days

The month with the most sunshine days is November (17 days).
The month with the least sunshine days is February (9 days).

Average UV index in July
Irwin, PA

Average UV index in July - Irwin, PA
  • Average UV index in July: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in July
Irwin, PA

Average cloud cover in July - Irwin, PA
  • Average cloud cover in July: 35

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in July
Irwin, PA

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

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

Irwin, Pennsylvania, USA

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