July weather forecastPittsburgh, PA
July
Weather in July
July is the peak of summer in Pittsburgh, demonstrating the season's most intense conditions. With a remarkable high temperature of 84°F (28.9°C), it is undeniably the hottest month of the year. Despite the heat, it's a fantastic time to partake in water-related activities, or simply relax in the numerous city parks. Being the season's zenith, also means occasional thunderstorms, due to the intense heat and humidity. Still, it's an opportune time for locals and tourists to enjoy summer activities in all their glory.Temperature
July is the month when Pittsburgh sees the highest average temperatures, with a high of 84°F (28.9°C) and a low of 63°F (17.2°C).Heat index
The heat index value during July is evaluated at a tropical 91.4°F (33°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Be aware that heat index ratings are designed for shaded locations and minor breezes. 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 'felt air temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.
Humidity
July and August, with an average relative humidity of 73%, are the least humid months.Rainfall
In July, the rain falls for 18.2 days. Throughout July, 2.76" (70mm) of precipitation is accumulated. In Pittsburgh, during the entire year, the rain falls for 163.6 days and collects up to 26.93" (684mm) of precipitation.Snowfall
In Pittsburgh, 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 July, sunrise is at 5:53 am and sunset at 8:54 pm. On the last day of the month, sunrise is at 6:17 am and sunset at 8:35 pm EDT.
Sunshine
In July, the average sunshine is 9.8h.UV index
May through July, 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 health risk from exposure to the Sun's UV radiation for the average person.Note: In July, the UV index of 6 transforms into the following advice:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in July
Pittsburgh, PA
- Average high temperature in July: 84°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in July: 63°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in July
Pittsburgh, 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
Pittsburgh, PA
- Average wind speed in July: 4.8mph
The windiest month (with the highest average wind speed) is January (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in July
Pittsburgh, PA
- Average humidity in July: 73%
The months with the highest relative humidity are January and February (84%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in July
Pittsburgh, PA
- Average rainfall in July: 2.76"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in July
Pittsburgh, PA
- Average rainfall days in July: 18.2 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is January (8.9 days).
Average snowfall in July
Pittsburgh, PA
- Average snowfall in July: 0"
The month with the highest snowfall is January (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in July
Pittsburgh, PA
- Average snowfall days in July: 0 days
The month with the highest number of snowfall days is January (14.4 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
Pittsburgh, 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 18min).
- Average sunshine in July: 9h and 48min
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 48min).
Average sunshine days in July
Pittsburgh, PA
- Average sunshine days in July: 11.1 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in July
Pittsburgh, PA
- Average UV index in July: 6
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in July
Pittsburgh, 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
Pittsburgh, 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).
