August is one of the warmer months of the year in State College, with average highs near 27.1°C and lows around 14.7°C (mean 20.9°C). It is a relatively wet time of year, averaging 100 mm of rainfall and 71% relative humidity across the period.
August is one of the warmer months of the year in State College. Across 45 years of records, the warmest August in State College was 2016 — when the month averaged 23.8°C — while the coldest was 1992 at 18.2°C. Typical August days reach 27.1°C with nights near 14.7°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in State College, averaging 100 mm of rainfall. The wettest August on record was 2024 with 209 mm, while the driest was 1995 at 34 mm.
Relative humidity in State College during August averages 71%. The most humid August was 2018 at 86%, and the least humid was 2025 at 59%.
August receives about 5.2 kWh/m²/day of solar energy in State College. The sunniest Augusts were 2006, 2008 and 2015 at 5.6 kWh/m²/day, and the cloudiest were 1990 and 2000 at 4.6.
Average wind speed in State College during August is 0.1 m/s. The windiest Augusts were 2023, 2024 and 2025, among others at 0.1 m/s, while the calmest were 2008, 2016 and 2018, among others at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.2°C | 20.5°C | 21.2°C | 21.0°C | 21.6°C | +1.4°C |
| Avg High | 26.6°C | 26.9°C | 27.3°C | 27.0°C | 27.7°C | +1.1°C |
| Avg Low | 13.8°C | 14.1°C | 15.1°C | 14.9°C | 15.6°C | +1.8°C |
| Avg Rain | 90 mm | 96 mm | 103 mm | 97 mm | 122 mm | +31 mm |
August temperatures in State College have risen by about 1.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 2.1°C (1982) to a record high of 36.4°C (2001).
Rainfall in August is a relatively wet time of year, averaging 100 mm, with a wettest year of 209 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.2°C per decade while lows rose 0.4°C per decade, narrowing the gap between day and night.
One of the best times to visit State College
August is one of the best times to visit State College. Expect days averaging 27.1°C and nights around 14.7°C (mean 20.9°C) — warmer than State College's yearly average — with higher rainfall (100 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 | 28.2°C | 21.1°C | 14.0°C | 34.8°C | 5.8°C | 34 mm | 59% | 0.1 m/s | 5.5 |
| 2024 🌧️ | 25.8°C | 20.4°C | 15.0°C | 31.8°C | 7.3°C | 209 mm | 80% | 0.1 m/s | 4.9 |
| 2023 | 25.9°C | 20.2°C | 14.5°C | 29.8°C | 9.0°C | 159 mm | 77% | 0.1 m/s | 5.2 |
| 2022 | 28.2°C | 22.0°C | 15.9°C | 33.6°C | 9.8°C | 115 mm | 69% | 0.1 m/s | 5.5 |
| 2021 | 28.3°C | 23.0°C | 17.7°C | 34.1°C | 11.3°C | 145 mm | 76% | 0.1 m/s | 4.9 |
| 2020 | 29.5°C | 22.9°C | 16.4°C | 34.0°C | 10.6°C | 68 mm | 64% | 0.1 m/s | 5.3 |
| 2019 | 26.0°C | 20.5°C | 15.1°C | 30.0°C | 9.8°C | 92 mm | 78% | 0.1 m/s | 5.3 |
| 2018 | 25.9°C | 21.2°C | 16.5°C | 30.0°C | 11.1°C | 152 mm | 86% | 0 m/s | 4.9 |
| 2017 | 26.0°C | 19.8°C | 13.7°C | 30.6°C | 9.7°C | 79 mm | 72% | 0.1 m/s | 5.2 |
| 2016 🔥 | 30.2°C | 23.8°C | 17.3°C | 32.9°C | 11.5°C | 96 mm | 69% | 0 m/s | 5.5 |
| 2015 | 27.3°C | 20.5°C | 13.7°C | 32.2°C | 9.1°C | 75 mm | 67% | 0.1 m/s | 5.6 |
| 2014 | 25.2°C | 19.2°C | 13.2°C | 31.5°C | 8.2°C | 145 mm | 76% | 0.1 m/s | 5.1 |
| 2013 | 26.7°C | 20.4°C | 14.1°C | 32.0°C | 8.0°C | 62 mm | 69% | 0.1 m/s | 5.2 |
| 2012 | 27.9°C | 21.6°C | 15.2°C | 33.1°C | 9.9°C | 58 mm | 67% | 0.1 m/s | 5.4 |
| 2011 | 25.9°C | 20.3°C | 14.8°C | 33.2°C | 7.8°C | 138 mm | 75% | 0.1 m/s | 5 |
| 2010 | 29.0°C | 22.3°C | 15.7°C | 33.5°C | 9.3°C | 74 mm | 66% | 0.1 m/s | 4.9 |
| 2009 | 26.5°C | 20.9°C | 15.3°C | 32.2°C | 9.2°C | 92 mm | 78% | 0.1 m/s | 5.1 |
| 2008 | 25.8°C | 19.3°C | 12.8°C | 31.7°C | 7.5°C | 85 mm | 69% | 0 m/s | 5.6 |
| 2007 | 27.6°C | 21.7°C | 15.7°C | 34.3°C | 11.0°C | 154 mm | 73% | 0.1 m/s | 5 |
| 2006 | 27.4°C | 21.2°C | 15.0°C | 32.4°C | 8.7°C | 128 mm | 69% | 0.1 m/s | 5.6 |
| 2005 | 29.4°C | 22.9°C | 16.3°C | 34.7°C | 10.5°C | 94 mm | 66% | 0.1 m/s | 4.8 |
| 2004 | 24.0°C | 19.0°C | 14.0°C | 28.5°C | 8.6°C | 108 mm | 83% | 0.1 m/s | 5.1 |
| 2003 | 26.9°C | 21.4°C | 15.8°C | 30.0°C | 7.8°C | 137 mm | 79% | 0.1 m/s | 5 |
| 2002 | 29.5°C | 22.5°C | 15.6°C | 35.0°C | 10.5°C | 49 mm | 61% | 0.1 m/s | 5.4 |
| 2001 | 30.0°C | 23.2°C | 16.4°C | 36.4°C | 11.3°C | 100 mm | 62% | 0.1 m/s | 5.1 |
| 2000 | 26.2°C | 20.3°C | 14.3°C | 29.5°C | 5.6°C | 85 mm | 70% | 0 m/s | 4.6 |
| 1999 | 27.5°C | 20.7°C | 13.9°C | 34.6°C | 8.7°C | 95 mm | 64% | 0 m/s | 5.2 |
| 1998 | 28.9°C | 22.1°C | 15.3°C | 34.3°C | 6.8°C | 72 mm | 65% | 0.1 m/s | 5.2 |
| 1997 | 25.2°C | 19.3°C | 13.3°C | 30.3°C | 8.6°C | 136 mm | 71% | 0.1 m/s | 5.2 |
| 1996 | 25.6°C | 19.6°C | 13.6°C | 28.6°C | 9.6°C | 83 mm | 77% | 0.1 m/s | 5.5 |
| 1995 | 30.9°C | 23.6°C | 16.3°C | 36.1°C | 10.0°C | 34 mm | 60% | 0.1 m/s | 5.3 |
| 1994 | 24.2°C | 18.6°C | 12.9°C | 28.5°C | 5.5°C | 206 mm | 79% | 0.1 m/s | 4.8 |
| 1993 | 28.5°C | 21.6°C | 14.7°C | 34.5°C | 7.1°C | 63 mm | 67% | 0.1 m/s | 5.2 |
| 1992 ❄️ | 24.2°C | 18.2°C | 12.2°C | 29.7°C | 8.2°C | 100 mm | 76% | 0.1 m/s | 5.2 |
| 1991 | 28.9°C | 21.9°C | 14.8°C | 35.0°C | 10.0°C | 56 mm | 63% | 0.1 m/s | 5.2 |
| 1990 | 25.4°C | 19.7°C | 14.0°C | 31.0°C | 9.6°C | 118 mm | 78% | 0.1 m/s | 4.6 |
| 1989 | 25.0°C | 19.4°C | 13.7°C | 28.7°C | 7.4°C | 36 mm | 76% | 0.1 m/s | 4.9 |
| 1988 | 29.8°C | 22.8°C | 15.7°C | 36.1°C | 7.4°C | 99 mm | 60% | 0.1 m/s | 5.1 |
| 1987 | 27.0°C | 20.4°C | 13.9°C | 33.4°C | 6.6°C | 131 mm | 68% | 0.1 m/s | 4.8 |
| 1986 | 25.0°C | 18.9°C | 12.9°C | 29.2°C | 4.1°C | 83 mm | 70% | 0.1 m/s | 5.5 |
| 1985 | 26.5°C | 20.2°C | 13.8°C | 32.0°C | 9.4°C | 94 mm | 66% | 0.1 m/s | 4.9 |
| 1984 | 25.1°C | 19.8°C | 14.5°C | 30.4°C | 7.2°C | 172 mm | 83% | 0.1 m/s | 5.2 |
| 1983 | 28.9°C | 22.0°C | 15.1°C | 33.1°C | 9.4°C | 82 mm | 67% | 0.1 m/s | — |
| 1982 | 25.3°C | 18.5°C | 11.7°C | 31.8°C | 2.1°C | 69 mm | 68% | 0.1 m/s | — |
| 1981 | 27.0°C | 20.1°C | 13.2°C | 29.7°C | 6.1°C | 49 mm | 66% | 0.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 27.1°C with lows near 14.7°C (mean 20.9°C), based on 45 years of NASA POWER data.
August averages 100 mm of rainfall in State College, a relatively wet time of year. The wettest on record was 209 mm in 2024.
The hottest August reached 36.4°C in 2001. The coldest dipped to 2.1°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.2°C. Daytime highs moved from 26.6°C to 27.3°C and overnight lows from 13.7°C to 15.4°C over the same span.
August is one of the warmer months of the year in State College and a relatively wet time of year, so plan for around 27.1°C daytime highs and 14.7°C at night.
Not quite — August is the 11th coolest month in State College, averaging 20.9°C.
For August in State College, pack light layers you can adjust through the day, with typical highs of 27.1°C and lows of 14.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 71% — moderately humid.
Average wind speed in August is 0.1 m/s. The windiest August on record averaged 0.1 m/s (1981).
The wettest August on record was 2024 with 209 mm. On average, August sees 100 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 State College 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.
