August is one of the warmer months of the year in Erie, with average highs near 25.3°C and lows around 16.8°C (mean 21.1°C). It is about average for rainfall, averaging 85 mm of rainfall and 73% relative humidity across the period.
August is one of the warmer months of the year in Erie. Across 45 years of records, the warmest August in Erie was 2016 — when the month averaged 24.1°C — while the coldest was 1992 at 17.4°C. Typical August days reach 25.3°C with nights near 16.8°C. The long-term trend is warming, about 0.6°C per decade.
August is about average for rainfall in Erie, averaging 85 mm of rainfall. The wettest August on record was 1987 with 171 mm, while the driest was 2002 at 38 mm.
Relative humidity in Erie during August averages 73%. The most humid August was 1992 at 80%, and the least humid was 2025 at 63%.
August receives about 5.4 kWh/m²/day of solar energy in Erie. The sunniest Augusts were 2016 and 2019 at 5.9 kWh/m²/day, and the cloudiest was 1987 at 4.7.
Average wind speed in Erie during August is 1.2 m/s. The windiest Augusts were 1986 and 2011 at 1.4 m/s, while the calmest was 1996 at 0.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.2°C | 20.1°C | 21.2°C | 21.7°C | 22.2°C | +2°C |
| Avg High | 24.5°C | 24.5°C | 25.3°C | 25.9°C | 26.5°C | +2°C |
| Avg Low | 15.9°C | 15.8°C | 17.1°C | 17.5°C | 18.0°C | +2.1°C |
| Avg Rain | 97 mm | 90 mm | 84 mm | 78 mm | 70 mm | -27 mm |
August temperatures in Erie have risen by about 1.6°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 8.3°C (1986) to a record high of 33.8°C (1988).
Rainfall in August is about average for rainfall, averaging 85 mm, with a wettest year of 171 mm.
One of the best times to visit Erie
August is one of the best times to visit Erie. Expect days averaging 25.3°C and nights around 16.8°C (mean 21.1°C) — warmer than Erie's yearly average — with higher rainfall (85 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 | 26.4°C | 21.6°C | 16.9°C | 32.2°C | 10.9°C | 44 mm | 63% | 1.2 m/s | 5.6 |
| 2024 | 26.4°C | 22.1°C | 17.8°C | 31.1°C | 12.7°C | 86 mm | 71% | 1.2 m/s | 5.2 |
| 2023 | 24.8°C | 20.8°C | 16.9°C | 28.1°C | 12.0°C | 81 mm | 74% | 1.3 m/s | 5.1 |
| 2022 | 26.9°C | 22.6°C | 18.4°C | 31.5°C | 15.1°C | 79 mm | 70% | 1.2 m/s | 5.7 |
| 2021 | 27.3°C | 23.4°C | 19.5°C | 31.7°C | 14.3°C | 85 mm | 75% | 1.1 m/s | 5.5 |
| 2020 | 27.0°C | 22.6°C | 18.3°C | 31.0°C | 13.2°C | 47 mm | 68% | 1.3 m/s | 5.7 |
| 2019 | 24.9°C | 21.2°C | 17.6°C | 28.8°C | 13.7°C | 94 mm | 77% | 1.3 m/s | 5.9 |
| 2018 | 26.9°C | 22.9°C | 18.9°C | 30.3°C | 14.6°C | 87 mm | 76% | 1.3 m/s | 5.1 |
| 2017 | 24.9°C | 20.6°C | 16.4°C | 29.4°C | 11.2°C | 62 mm | 71% | 1.3 m/s | 5.3 |
| 2016 🔥 | 28.6°C | 24.1°C | 19.6°C | 32.6°C | 14.4°C | 70 mm | 71% | 1.2 m/s | 5.9 |
| 2015 | 25.3°C | 21.1°C | 16.9°C | 30.6°C | 12.3°C | 43 mm | 70% | 1.3 m/s | 5.7 |
| 2014 | 24.4°C | 20.3°C | 16.1°C | 28.6°C | 12.6°C | 89 mm | 76% | 1.2 m/s | 5.3 |
| 2013 | 24.6°C | 20.6°C | 16.5°C | 28.3°C | 12.8°C | 78 mm | 74% | 1.2 m/s | 5.7 |
| 2012 | 26.4°C | 21.8°C | 17.2°C | 33.4°C | 13.2°C | 76 mm | 67% | 1.2 m/s | 5.7 |
| 2011 | 25.6°C | 21.7°C | 17.7°C | 29.4°C | 14.0°C | 115 mm | 72% | 1.4 m/s | 5.7 |
| 2010 | 27.2°C | 22.9°C | 18.5°C | 31.1°C | 13.0°C | 68 mm | 69% | 1.2 m/s | 5.5 |
| 2009 | 24.9°C | 21.2°C | 17.6°C | 30.7°C | 12.0°C | 91 mm | 76% | 1.2 m/s | 5.4 |
| 2008 | 24.3°C | 20.2°C | 16.2°C | 29.3°C | 11.2°C | 69 mm | 72% | 1.3 m/s | 5.8 |
| 2007 | 25.9°C | 21.9°C | 17.8°C | 31.8°C | 12.6°C | 117 mm | 74% | 1.1 m/s | 5 |
| 2006 | 25.6°C | 21.6°C | 17.6°C | 30.2°C | 12.6°C | 88 mm | 72% | 1.3 m/s | 5.3 |
| 2005 | 27.2°C | 22.9°C | 18.6°C | 31.0°C | 14.1°C | 105 mm | 68% | 1.2 m/s | 5.2 |
| 2004 | 23.0°C | 19.4°C | 15.8°C | 27.7°C | 11.6°C | 74 mm | 79% | 1.2 m/s | 5.1 |
| 2003 | 25.3°C | 21.2°C | 17.2°C | 28.4°C | 12.4°C | 71 mm | 78% | 1 m/s | 5.5 |
| 2002 | 26.3°C | 21.5°C | 16.7°C | 31.5°C | 11.6°C | 38 mm | 67% | 1.1 m/s | 5.8 |
| 2001 | 26.3°C | 21.6°C | 17.0°C | 31.6°C | 11.8°C | 96 mm | 69% | 1.1 m/s | 5.3 |
| 2000 | 24.6°C | 20.4°C | 16.2°C | 30.9°C | 10.3°C | 89 mm | 73% | 1.3 m/s | 5.4 |
| 1999 | 24.1°C | 19.8°C | 15.4°C | 28.7°C | 10.8°C | 72 mm | 70% | 1.2 m/s | 5 |
| 1998 | 27.0°C | 22.4°C | 17.9°C | 33.0°C | 11.5°C | 79 mm | 69% | 1.2 m/s | 5.4 |
| 1997 | 23.5°C | 19.6°C | 15.7°C | 29.3°C | 12.8°C | 91 mm | 74% | 1.3 m/s | 4.8 |
| 1996 | 23.8°C | 19.2°C | 14.7°C | 28.2°C | 11.5°C | 51 mm | 77% | 0.9 m/s | 5.8 |
| 1995 | 27.5°C | 22.7°C | 18.0°C | 30.8°C | 12.3°C | 63 mm | 70% | 1.1 m/s | 5.4 |
| 1994 | 22.9°C | 18.8°C | 14.7°C | 27.6°C | 9.7°C | 165 mm | 77% | 1.1 m/s | 5.2 |
| 1993 | 25.9°C | 21.1°C | 16.3°C | 31.9°C | 10.3°C | 63 mm | 70% | 1 m/s | 5.6 |
| 1992 ❄️ | 21.4°C | 17.4°C | 13.4°C | 26.6°C | 10.2°C | 125 mm | 80% | 1.1 m/s | 5.6 |
| 1991 | 25.3°C | 20.6°C | 16.0°C | 30.3°C | 11.6°C | 71 mm | 69% | 1.1 m/s | 5.3 |
| 1990 | 23.6°C | 19.7°C | 15.7°C | 26.7°C | 11.3°C | 116 mm | 78% | 1 m/s | 4.9 |
| 1989 | 23.4°C | 19.1°C | 14.8°C | 26.6°C | 9.6°C | 69 mm | 76% | 1.1 m/s | 5.1 |
| 1988 | 25.8°C | 21.3°C | 16.8°C | 33.8°C | 9.8°C | 94 mm | 69% | 1.1 m/s | 5.1 |
| 1987 🌧️ | 23.9°C | 19.7°C | 15.4°C | 30.4°C | 10.0°C | 171 mm | 73% | 1.2 m/s | 4.7 |
| 1986 | 23.4°C | 19.3°C | 15.2°C | 27.7°C | 8.3°C | 84 mm | 73% | 1.4 m/s | 5.6 |
| 1985 | 24.7°C | 20.3°C | 15.9°C | 29.3°C | 12.5°C | 91 mm | 70% | 1.3 m/s | 5.6 |
| 1984 | 25.1°C | 21.1°C | 17.1°C | 28.1°C | 11.8°C | 95 mm | 77% | 1.2 m/s | 5.8 |
| 1983 | 26.4°C | 22.0°C | 17.6°C | 30.5°C | 12.4°C | 109 mm | 74% | 1.2 m/s | — |
| 1982 | 23.4°C | 19.1°C | 14.9°C | 28.6°C | 8.5°C | 71 mm | 70% | 1.3 m/s | — |
| 1981 | 24.4°C | 20.0°C | 15.7°C | 27.5°C | 11.3°C | 92 mm | 74% | 1.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 25.3°C with lows near 16.8°C (mean 21.1°C), based on 45 years of NASA POWER data.
August averages 85 mm of rainfall in Erie, about average for rainfall. The wettest on record was 171 mm in 1987.
The hottest August reached 33.8°C in 1988. The coldest dipped to 8.3°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.6°C. Daytime highs moved from 24.8°C to 26.4°C and overnight lows from 16.2°C to 17.9°C over the same span.
August is one of the warmer months of the year in Erie and about average for rainfall, so plan for around 25.3°C daytime highs and 16.8°C at night.
Not quite — August is the 11th coolest month in Erie, averaging 21.1°C.
For August in Erie, pack light layers you can adjust through the day, with typical highs of 25.3°C and lows of 16.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 73% — moderately humid.
Average wind speed in August is 1.2 m/s. The windiest August on record averaged 1.4 m/s (1986).
The wettest August on record was 1987 with 171 mm. On average, August sees 85 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 Erie behaves each August, 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 August specifically, along with year-by-year records and how the month has changed over the decades.
