July weather forecastPenn, PA
July
Weather in July
July, the same as June, is a moderately hot summer month in Penn, Pennsylvania, with an average temperature varying between 82.6°F (28.1°C) and 61.2°F (16.2°C).Temperature
The warmest month is July, with an average high-temperature of 82.6°F (28.1°C) and an average low-temperature of 61.2°F (16.2°C).Heat index
For most parts of July, the heat index is evaluated at a hot 89.6°F (32°C). Constant activity during exposure could result in a state of weariness and possibly heat cramps.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', determines the feeling of heat when you account for the relative humidity. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. Bear in mind that direct sunshine exposure increases weather impact, and may raise heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.
Humidity
The months with the lowest humidity are April, July and August, with an average relative humidity of 77%.Rainfall
In Penn, during July, the rain falls for 18.4 days and regularly aggregates up to 3.19" (81mm) of precipitation. Throughout the year, there are 183.8 rainfall days, and 35.16" (893mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in July is 14h and 43min.On the first day of July, sunrise is at 5:52 am and sunset at 8:52 pm. On the last day of the month, sunrise is at 6:15 am and sunset at 8:33 pm EDT.
Sunshine
The average sunshine in July is 10h.UV index
June and July, 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 hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 6 during July translates into these guidelines:
Deter overexposure. Protecting against the sun's effects is essential. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Penn, PA
- Average high temperature in July: 82.6°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in July: 61.2°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (20.5°F).
Average pressure in July
Penn, 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
Penn, PA
- Average wind speed in July: 4.9mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in July
Penn, PA
- Average humidity in July: 77%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in July
Penn, PA
- Average rainfall in July: 3.19"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in July
Penn, PA
- Average rainfall days in July: 18.4 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in July
Penn, PA
- Average snowfall in July: 0"
The month with the highest snowfall is January (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in July
Penn, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in July /
Average sunshine in July
Penn, PA
- Average daylight in July: 14h and 42min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in July
Penn, PA
- Average sunshine days in July: 10.8 days
The month with the most sunshine days is November (14 days).
The month with the least sunshine days is February (6.7 days).
Average UV index in July
Penn, PA
- Average UV index in July: 6
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Penn, PA
- Average cloud cover in July: 36
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in July
Penn, PA
- Average visibility in July: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
