August is one of the warmer months of the year in Greensburg, with average highs near 28.1°C and lows around 15.4°C (mean 21.8°C). It is about average for rainfall, averaging 92 mm of rainfall and 70% relative humidity across the period.
August is one of the warmer months of the year in Greensburg. Across 45 years of records, the warmest August in Greensburg was 2016 — when the month averaged 24.6°C — while the coldest was 1992 at 19.2°C. Typical August days reach 28.1°C with nights near 15.4°C. The long-term trend is warming, about 0.3°C per decade.
August is about average for rainfall in Greensburg, averaging 92 mm of rainfall. The wettest August on record was 2007 with 184 mm, while the driest was 2025 at 27 mm.
Relative humidity in Greensburg during August averages 70%. The most humid August was 1984 at 81%, and the least humid was 2025 at 60%.
August receives about 5.2 kWh/m²/day of solar energy in Greensburg. The sunniest August was 2025 at 5.8 kWh/m²/day, and the cloudiest were 1987 and 1990 at 4.6.
Average wind speed in Greensburg 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 was 2018 at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 21.2°C | 21.4°C | 22.1°C | 22.0°C | 22.6°C | +1.4°C |
| Avg High | 27.7°C | 27.9°C | 28.2°C | 28.3°C | 28.9°C | +1.2°C |
| Avg Low | 14.7°C | 14.9°C | 15.8°C | 15.8°C | 16.3°C | +1.6°C |
| Avg Rain | 92 mm | 89 mm | 99 mm | 81 mm | 102 mm | +10 mm |
August temperatures in Greensburg have risen by about 1.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 3.3°C (1982) to a record high of 36.7°C (1988).
Rainfall in August is about average for rainfall, averaging 92 mm, with a wettest year of 184 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 Greensburg
August is one of the best times to visit Greensburg. Expect days averaging 28.1°C and nights around 15.4°C (mean 21.8°C) — warmer than Greensburg's yearly average — with higher rainfall (92 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 | 29.1°C | 21.9°C | 14.6°C | 35.2°C | 7.6°C | 27 mm | 60% | 0.1 m/s | 5.8 |
| 2024 | 28.2°C | 22.0°C | 15.9°C | 34.2°C | 7.6°C | 135 mm | 74% | 0.1 m/s | 5.1 |
| 2023 | 27.8°C | 21.6°C | 15.4°C | 31.8°C | 9.1°C | 120 mm | 73% | 0.1 m/s | 5.2 |
| 2022 | 28.6°C | 22.6°C | 16.6°C | 33.9°C | 10.4°C | 122 mm | 72% | 0.1 m/s | 5.1 |
| 2021 | 29.6°C | 23.9°C | 18.1°C | 34.7°C | 12.2°C | 131 mm | 72% | 0.1 m/s | 4.9 |
| 2020 | 30.0°C | 23.5°C | 17.0°C | 34.7°C | 11.5°C | 78 mm | 65% | 0.1 m/s | 5.3 |
| 2019 | 27.7°C | 21.8°C | 15.9°C | 31.7°C | 9.9°C | 68 mm | 74% | 0.1 m/s | 5.4 |
| 2018 | 28.6°C | 23.0°C | 17.4°C | 32.7°C | 10.8°C | 102 mm | 78% | 0 m/s | 4.8 |
| 2017 | 27.2°C | 21.0°C | 14.7°C | 31.7°C | 9.5°C | 58 mm | 70% | 0.1 m/s | 5.2 |
| 2016 🔥 | 30.9°C | 24.6°C | 18.4°C | 34.6°C | 13.6°C | 74 mm | 68% | 0.1 m/s | 5.4 |
| 2015 | 28.5°C | 21.5°C | 14.6°C | 33.2°C | 10.4°C | 46 mm | 64% | 0.1 m/s | 5.5 |
| 2014 | 26.9°C | 20.6°C | 14.2°C | 30.1°C | 8.6°C | 110 mm | 73% | 0.1 m/s | 5.4 |
| 2013 | 26.8°C | 20.7°C | 14.6°C | 30.7°C | 9.3°C | 103 mm | 73% | 0.1 m/s | 5.2 |
| 2012 | 28.4°C | 21.8°C | 15.2°C | 33.0°C | 10.7°C | 62 mm | 67% | 0.1 m/s | 5.7 |
| 2011 | 27.5°C | 21.7°C | 15.9°C | 31.5°C | 10.8°C | 124 mm | 73% | 0.1 m/s | 5.3 |
| 2010 | 30.1°C | 23.6°C | 17.0°C | 34.2°C | 10.5°C | 65 mm | 65% | 0.1 m/s | 5.3 |
| 2009 | 27.5°C | 21.8°C | 16.1°C | 32.9°C | 8.6°C | 79 mm | 75% | 0.1 m/s | 5.1 |
| 2008 | 26.8°C | 20.2°C | 13.6°C | 31.9°C | 10.0°C | 64 mm | 69% | 0.1 m/s | 5.7 |
| 2007 🌧️ | 27.8°C | 22.3°C | 16.8°C | 34.0°C | 10.1°C | 184 mm | 77% | 0.1 m/s | 5 |
| 2006 | 29.3°C | 22.7°C | 16.1°C | 33.8°C | 9.4°C | 85 mm | 66% | 0.1 m/s | 5.5 |
| 2005 | 30.2°C | 23.7°C | 17.2°C | 35.3°C | 11.2°C | 82 mm | 66% | 0.1 m/s | 4.9 |
| 2004 | 25.0°C | 19.7°C | 14.3°C | 30.1°C | 8.2°C | 117 mm | 80% | 0.1 m/s | 5 |
| 2003 | 27.9°C | 22.3°C | 16.6°C | 31.8°C | 9.8°C | 129 mm | 78% | 0.1 m/s | 5 |
| 2002 | 30.5°C | 23.5°C | 16.4°C | 35.9°C | 9.9°C | 66 mm | 62% | 0.1 m/s | 5.6 |
| 2001 | 30.5°C | 23.7°C | 16.8°C | 35.6°C | 12.5°C | 88 mm | 64% | 0.1 m/s | 5 |
| 2000 | 26.7°C | 20.6°C | 14.5°C | 30.3°C | 7.2°C | 92 mm | 72% | 0.1 m/s | 4.7 |
| 1999 | 28.2°C | 21.2°C | 14.1°C | 34.5°C | 8.1°C | 78 mm | 64% | 0.1 m/s | 5.2 |
| 1998 | 29.7°C | 22.7°C | 15.6°C | 32.5°C | 8.3°C | 77 mm | 64% | 0.1 m/s | 5.4 |
| 1997 | 26.6°C | 20.6°C | 14.6°C | 31.5°C | 9.3°C | 126 mm | 71% | 0.1 m/s | 4.7 |
| 1996 | 26.3°C | 20.3°C | 14.3°C | 29.6°C | 10.4°C | 80 mm | 76% | 0.1 m/s | 5.5 |
| 1995 | 31.4°C | 24.4°C | 17.4°C | 35.5°C | 10.9°C | 56 mm | 63% | 0.1 m/s | 5.5 |
| 1994 | 25.5°C | 19.6°C | 13.7°C | 30.6°C | 6.0°C | 183 mm | 77% | 0.1 m/s | 4.8 |
| 1993 | 29.9°C | 22.9°C | 15.9°C | 35.6°C | 10.8°C | 60 mm | 64% | 0.1 m/s | 5.3 |
| 1992 ❄️ | 25.4°C | 19.2°C | 13.0°C | 31.0°C | 8.3°C | 83 mm | 74% | 0.1 m/s | 5.3 |
| 1991 | 29.9°C | 22.8°C | 15.8°C | 35.4°C | 11.1°C | 56 mm | 62% | 0.1 m/s | 5.2 |
| 1990 | 26.3°C | 20.4°C | 14.6°C | 31.7°C | 9.3°C | 95 mm | 77% | 0.1 m/s | 4.6 |
| 1989 | 25.6°C | 20.2°C | 14.7°C | 28.9°C | 8.1°C | 49 mm | 78% | 0.1 m/s | 4.9 |
| 1988 | 30.5°C | 23.6°C | 16.6°C | 36.7°C | 7.9°C | 99 mm | 62% | 0.1 m/s | 5.1 |
| 1987 | 28.1°C | 21.6°C | 15.2°C | 33.9°C | 7.7°C | 148 mm | 69% | 0.1 m/s | 4.6 |
| 1986 | 26.4°C | 20.0°C | 13.7°C | 30.3°C | 5.2°C | 71 mm | 68% | 0.1 m/s | 5.4 |
| 1985 | 27.2°C | 20.8°C | 14.4°C | 33.5°C | 9.7°C | 79 mm | 68% | 0.1 m/s | 4.8 |
| 1984 | 26.4°C | 20.8°C | 15.1°C | 32.1°C | 7.4°C | 164 mm | 81% | 0.1 m/s | 5.4 |
| 1983 | 30.4°C | 23.3°C | 16.2°C | 35.4°C | 10.0°C | 73 mm | 65% | 0.1 m/s | — |
| 1982 | 26.8°C | 19.8°C | 12.7°C | 33.4°C | 3.3°C | 83 mm | 66% | 0.1 m/s | — |
| 1981 | 27.7°C | 20.7°C | 13.7°C | 31.0°C | 6.6°C | 66 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 28.1°C with lows near 15.4°C (mean 21.8°C), based on 45 years of NASA POWER data.
August averages 92 mm of rainfall in Greensburg, about average for rainfall. The wettest on record was 184 mm in 2007.
The hottest August reached 36.7°C in 1988. The coldest dipped to 3.3°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.3°C. Daytime highs moved from 27.7°C to 28.7°C and overnight lows from 14.4°C to 16.1°C over the same span.
August is one of the warmer months of the year in Greensburg and about average for rainfall, so plan for around 28.1°C daytime highs and 15.4°C at night.
Not quite — August is the 11th coolest month in Greensburg, averaging 21.8°C.
For August in Greensburg, pack light layers you can adjust through the day, with typical highs of 28.1°C and lows of 15.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 70% — 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 2007 with 184 mm. On average, August sees 92 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 Greensburg 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.
