July is one of the warmer months of the year in Pittsburgh, with average highs near 29.1°C and lows around 16.8°C (mean 23°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 72% relative humidity across the period.
July is one of the warmer months of the year in Pittsburgh. Across 45 years of records, the warmest July in Pittsburgh was 2020 — when the month averaged 26.2°C — while the coldest was 1984 at 19.7°C. Typical July days reach 29.1°C with nights near 16.8°C. The long-term trend is warming, about 0.5°C per decade.
July is a relatively wet time of year in Pittsburgh, averaging 96 mm of rainfall. The wettest July on record was 1992 with 188 mm, while the driest was 2020 at 36 mm.
Relative humidity in Pittsburgh during July averages 72%. The most humid July was 1990 at 82%, and the least humid was 1988 at 58%.
July receives about 5.8 kWh/m²/day of solar energy in Pittsburgh. The sunniest July was 2020 at 6.5 kWh/m²/day, and the cloudiest was 1984 at 4.7.
Average wind speed in Pittsburgh during July is 0.2 m/s. The windiest Julys were 2022, 2023 and 2024, among others at 0.2 m/s, while the calmest were 2017, 2018 and 2025 at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 22.3°C | 22.7°C | 22.4°C | 23.5°C | 24.4°C | +2.1°C |
| Avg High | 28.5°C | 28.8°C | 28.6°C | 29.5°C | 30.8°C | +2.3°C |
| Avg Low | 16.2°C | 16.5°C | 16.1°C | 17.5°C | 18.1°C | +1.9°C |
| Avg Rain | 102 mm | 100 mm | 95 mm | 93 mm | 90 mm | -13 mm |
July temperatures in Pittsburgh have risen by about 2.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 7.6°C (1983) to a record high of 39.3°C (1988).
Rainfall in July is a relatively wet time of year, averaging 96 mm, with a wettest year of 188 mm.
One of the best times to visit Pittsburgh
July is one of the best times to visit Pittsburgh. Expect days averaging 29.1°C and nights around 16.8°C (mean 23°C) — warmer than Pittsburgh's yearly average — with higher rainfall (96 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 30.8°C | 25.0°C | 19.1°C | 36.1°C | 13.3°C | 93 mm | 75% | 0.1 m/s | 6 |
| 2024 | 31.1°C | 24.3°C | 17.5°C | 35.4°C | 11.2°C | 100 mm | 66% | 0.2 m/s | 6.1 |
| 2023 | 30.0°C | 23.8°C | 17.7°C | 33.8°C | 13.8°C | 120 mm | 71% | 0.2 m/s | 5.7 |
| 2022 | 30.3°C | 24.0°C | 17.7°C | 34.0°C | 13.8°C | 94 mm | 69% | 0.2 m/s | 5.7 |
| 2021 | 29.3°C | 23.1°C | 16.9°C | 33.3°C | 12.7°C | 95 mm | 71% | 0.2 m/s | 5.7 |
| 2020 🔥 | 33.1°C | 26.2°C | 19.4°C | 36.6°C | 14.1°C | 36 mm | 62% | 0.2 m/s | 6.5 |
| 2019 | 28.4°C | 23.3°C | 18.2°C | 32.1°C | 12.1°C | 110 mm | 81% | 0.2 m/s | 6 |
| 2018 | 29.3°C | 23.2°C | 17.1°C | 35.3°C | 10.7°C | 63 mm | 75% | 0.1 m/s | 6.2 |
| 2017 | 28.7°C | 22.9°C | 17.2°C | 33.2°C | 12.1°C | 97 mm | 77% | 0.1 m/s | 5.6 |
| 2016 | 31.2°C | 24.7°C | 18.2°C | 36.0°C | 11.1°C | 70 mm | 67% | 0.2 m/s | 5.8 |
| 2015 | 28.3°C | 22.4°C | 16.6°C | 33.7°C | 10.0°C | 70 mm | 76% | 0.2 m/s | 6 |
| 2014 | 27.4°C | 21.2°C | 15.1°C | 32.5°C | 9.2°C | 88 mm | 71% | 0.2 m/s | 5.6 |
| 2013 | 27.7°C | 22.8°C | 17.8°C | 34.7°C | 11.1°C | 123 mm | 80% | 0.2 m/s | 5.6 |
| 2012 | 32.0°C | 25.4°C | 18.8°C | 37.7°C | 13.9°C | 145 mm | 66% | 0.2 m/s | 5.7 |
| 2011 | 31.0°C | 24.7°C | 18.3°C | 34.7°C | 13.6°C | 79 mm | 72% | 0.2 m/s | 6.3 |
| 2010 | 30.9°C | 24.4°C | 17.8°C | 35.0°C | 9.5°C | 82 mm | 66% | 0.2 m/s | 6.4 |
| 2009 | 26.5°C | 20.5°C | 14.6°C | 31.4°C | 11.5°C | 108 mm | 71% | 0.2 m/s | 5.4 |
| 2008 | 27.6°C | 21.9°C | 16.3°C | 30.7°C | 12.9°C | 87 mm | 78% | 0.2 m/s | 6 |
| 2007 | 28.2°C | 21.5°C | 14.8°C | 33.8°C | 8.4°C | 94 mm | 67% | 0.2 m/s | 5.9 |
| 2006 | 29.4°C | 23.5°C | 17.7°C | 34.4°C | 10.5°C | 105 mm | 74% | 0.2 m/s | 5.5 |
| 2005 | 30.7°C | 24.4°C | 18.1°C | 34.1°C | 13.7°C | 78 mm | 69% | 0.2 m/s | 5.7 |
| 2004 | 26.5°C | 21.5°C | 16.5°C | 30.4°C | 12.4°C | 127 mm | 81% | 0.2 m/s | 4.9 |
| 2003 | 27.4°C | 21.9°C | 16.4°C | 31.1°C | 12.0°C | 145 mm | 77% | 0.2 m/s | 5.8 |
| 2002 | 32.0°C | 24.8°C | 17.7°C | 35.8°C | 10.1°C | 45 mm | 62% | 0.2 m/s | 6.2 |
| 2001 | 29.8°C | 22.2°C | 14.6°C | 35.7°C | 8.1°C | 66 mm | 61% | 0.2 m/s | 6.2 |
| 2000 | 28.1°C | 21.3°C | 14.5°C | 32.7°C | 9.8°C | 91 mm | 66% | 0.2 m/s | 5.6 |
| 1999 | 32.7°C | 25.5°C | 18.3°C | 36.6°C | 11.1°C | 106 mm | 60% | 0.2 m/s | 6.4 |
| 1998 | 28.2°C | 22.0°C | 15.7°C | 31.8°C | 11.5°C | 58 mm | 70% | 0.2 m/s | 5.9 |
| 1997 | 29.1°C | 22.4°C | 15.7°C | 35.2°C | 10.4°C | 48 mm | 68% | 0.2 m/s | 6.2 |
| 1996 | 25.4°C | 19.9°C | 14.4°C | 28.2°C | 8.5°C | 110 mm | 80% | 0.2 m/s | 5.7 |
| 1995 | 28.7°C | 22.9°C | 17.1°C | 37.0°C | 8.7°C | 75 mm | 75% | 0.2 m/s | 5.9 |
| 1994 | 29.5°C | 23.4°C | 17.3°C | 33.3°C | 12.0°C | 77 mm | 71% | 0.2 m/s | 5.6 |
| 1993 | 30.4°C | 23.9°C | 17.4°C | 35.5°C | 11.4°C | 87 mm | 68% | 0.2 m/s | 5.7 |
| 1992 🌧️ | 27.9°C | 22.4°C | 17.0°C | 32.5°C | 12.0°C | 188 mm | 77% | 0.2 m/s | 5.2 |
| 1991 | 30.3°C | 23.6°C | 16.9°C | 35.7°C | 11.7°C | 84 mm | 65% | 0.2 m/s | 5.9 |
| 1990 | 26.2°C | 20.7°C | 15.2°C | 30.6°C | 10.1°C | 168 mm | 82% | 0.2 m/s | 5.3 |
| 1989 | 27.4°C | 22.2°C | 16.9°C | 31.1°C | 10.7°C | 68 mm | 81% | 0.2 m/s | 5.3 |
| 1988 | 32.4°C | 25.0°C | 17.5°C | 39.3°C | 8.1°C | 102 mm | 58% | 0.2 m/s | 5.7 |
| 1987 | 30.0°C | 23.7°C | 17.5°C | 35.1°C | 10.7°C | 66 mm | 72% | 0.2 m/s | 6.1 |
| 1986 | 28.0°C | 22.2°C | 16.4°C | 32.2°C | 8.6°C | 155 mm | 79% | 0.2 m/s | 5.8 |
| 1985 | 27.3°C | 20.9°C | 14.6°C | 31.8°C | 9.2°C | 135 mm | 76% | 0.2 m/s | 5.9 |
| 1984 ❄️ | 25.5°C | 19.7°C | 14.0°C | 31.1°C | 9.4°C | 103 mm | 78% | 0.2 m/s | 4.7 |
| 1983 | 28.6°C | 22.5°C | 16.4°C | 32.8°C | 7.6°C | 91 mm | 74% | 0.2 m/s | — |
| 1982 | 29.7°C | 23.1°C | 16.6°C | 34.3°C | 9.2°C | 76 mm | 70% | 0.2 m/s | — |
| 1981 | 27.9°C | 21.7°C | 15.5°C | 32.2°C | 8.1°C | 126 mm | 74% | 0.2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 29.1°C with lows near 16.8°C (mean 23°C), based on 45 years of NASA POWER data.
July averages 96 mm of rainfall in Pittsburgh, a relatively wet time of year. The wettest on record was 188 mm in 1992.
The hottest July reached 39.3°C in 1988. The coldest dipped to 7.6°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 2.4°C. Daytime highs moved from 27.8°C to 30.3°C and overnight lows from 15.4°C to 17.8°C over the same span.
July is one of the warmer months of the year in Pittsburgh and a relatively wet time of year, so plan for around 29.1°C daytime highs and 16.8°C at night.
Not quite — July is the 12th coolest month in Pittsburgh, averaging 23°C.
For July in Pittsburgh, pack light layers you can adjust through the day, with typical highs of 29.1°C and lows of 16.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 72% — moderately humid.
Average wind speed in July is 0.2 m/s. The windiest July on record averaged 0.2 m/s (1981).
The wettest July on record was 1992 with 188 mm. On average, July sees 96 mm.
All figures are derived from NASA POWER (Prediction Of Worldwide Energy Resources), based on MERRA-2 satellite reanalysis, covering 1981–2025.
Explore how the weather in Pittsburgh behaves each July, based on 45 years of NASA POWER climate data from 1981 to 2025. This page breaks down average temperatures, rainfall, humidity, wind and solar radiation for July specifically, along with year-by-year records and how the month has changed over the decades.
