Pittsburgh, PA weather in July
Expect warm, often humid weather with frequent rain in Pittsburgh in July, with highs near 83°F and lows near 63°F. Rain falls on about 11 days. It is one of the warmest months in Pittsburgh.
- Normal high
- 83°F
- Normal low
- 63°F
- Wet days
- 11
- 4.3 in total
- Muggy days
- 11
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 83°F | 83°F |
| Normal low | 63°F | 63°F |
| Chance of a wet day | 38% | 36% |
| Sunrise / sunset | 5:53 am / 8:54 pm | 6:16 am / 8:36 pm |
| Daylight | 15.0 h | 14.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical July day
- 6 am66°Fdew point 62°F
- 9 am73°Fdew point 63°F
- Noon79°Fdew point 63°F
- 3 pm81°Fdew point 62°F
- 6 pm79°Fdew point 62°F
- 9 pm73°Fdew point 62°F
NOAA hourly normals (local standard time) from Pittsburgh Allegheny Co Airport (7 mi away); average wind 7 mph; clear or few clouds in 40% of daytime hours, mostly cloudy or overcast in 44%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F5 of 31
- Hot dayshigh 90°F or more4 of 31
- Muggy daysdaily mean dew point 65°F or more11 of 31
- Wet daysat least 0.01 in of rain or melted snow11 of 31
- Notable rainat least 0.10 in7 of 31
- Freezing nightslow 32°F or below0 of 31
- Snow on the groundsnow depth 1 in or more0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 4.3 in; a dry July brings about 3.0 in and a wet one about 5.9 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.
How July varies from year to year
- Warmest July, 1991-20202020: average high 88°F
- Coolest July2000: average high 78°F
- Wettest July1992: 8.7 in
- Driest July2002: 1.7 in
- Highest reading100°F (July 15, 1995)
- Lowest reading47°F (July 3, 2001)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 79°F | 83°F | 82°F |
| Normal low | 59°F | 63°F | 62°F |
| Wet days | 12 | 11 | 11 |
| Comfortable days | 10 | 5 | 8 |
| Daylight | 15.0 h | 14.7 h | 13.7 h |
Highs change by +4°F from June and -1°F into August.
Nearby alternatives in July
- Warmer: Washington, DC190 mi · high 90°F · 11 wet days
How Pittsburgh ranks in July
- Normal high282nd warmest of 378 cities; 4th of 4 in Pennsylvania
- Wet days289th driest of 378
- Comfortable days107th most of 340
What to pack for Pittsburgh in July
- A rain jacket or umbrella – rain on about 11 days
- Sunglasses and sunscreen – about 14.7 hours of daylight and highs near 83°F
Heating and cooling
July has 3 heating degree days and 256 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Pittsburgh in July?
The normal high is 83°F and the normal low is 63°F. From 1991 to 2020 the hottest July reading was 100°F (July 15, 1995).
Does it rain a lot in Pittsburgh in July?
About 11 days in July have at least 0.01 in of precipitation, and the normal total is 4.3 in. The wettest July in 1991-2020 was in 1992 (8.7 in); the driest was in 2002 (1.7 in).
Is July a good time to visit Pittsburgh?
July ranks 7th of 12 months on our comfort score for Pittsburgh (58 out of 100). It has about 5 comfortable days and about 4 days at 90°F or hotter. The best months are May and September.
Where the numbers come from
- Temperature, rain, snowfall and snow depth: Pittsburgh Intl Airport (USW00094823), 12 mi WNW of the city center, 1,203 ft (438 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Frost dates: Emsworth L/D Ohio Rvr (USC00362574), 6.6 mi NW of the city center, 717 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: Pittsburgh Allegheny Co Airport (USW00014762), 7.1 mi SSE of the city center, 1,248 ft (483 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Pittsburgh International Airport (725200-94823), 12 mi WNW of the city center, 1,119 ft (354 ft higher than the city). Hourly observations, 1991-2020.