August is one of the warmer months of the year in Wilkes Barre, with average highs near 27.1°C and lows around 15.4°C (mean 21.3°C). It is a relatively wet time of year, averaging 109 mm of rainfall and 73% relative humidity across the period.
August is one of the warmer months of the year in Wilkes Barre. Across 45 years of records, the warmest August in Wilkes Barre was 2022 — when the month averaged 24°C — while the coldest was 1982 at 18.7°C. Typical August days reach 27.1°C with nights near 15.4°C. The long-term trend is warming, about 0.3°C per decade.
August is a relatively wet time of year in Wilkes Barre, averaging 109 mm of rainfall. The wettest August on record was 2011 with 275 mm, while the driest was 1995 at 37 mm.
Relative humidity in Wilkes Barre during August averages 73%. The most humid August was 2018 at 86%, and the least humid was 1995 at 57%.
August receives about 5 kWh/m²/day of solar energy in Wilkes Barre. The sunniest August was 2015 at 5.6 kWh/m²/day, and the cloudiest were 1990, 1994 and 2024 at 4.5.
Average wind speed in Wilkes Barre 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 1987 at 0 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.4°C | 21.0°C | 21.6°C | 21.3°C | 22.0°C | +1.6°C |
| Avg High | 26.6°C | 27.2°C | 27.3°C | 26.8°C | 27.6°C | +1°C |
| Avg Low | 14.3°C | 14.8°C | 15.9°C | 15.8°C | 16.4°C | +2.1°C |
| Avg Rain | 91 mm | 101 mm | 106 mm | 122 mm | 133 mm | +42 mm |
August temperatures in Wilkes Barre have risen by about 1.7°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 3.7°C (1982) to a record high of 37.2°C (2001).
Rainfall in August is a relatively wet time of year, averaging 109 mm, with a wettest year of 275 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°C per decade while lows rose 0.5°C per decade, narrowing the gap between day and night.
One of the best times to visit Wilkes Barre
August is one of the best times to visit Wilkes Barre. Expect days averaging 27.1°C and nights around 15.4°C (mean 21.3°C) — warmer than Wilkes Barre's yearly average — with higher rainfall (109 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 | 27.6°C | 21.0°C | 14.4°C | 34.2°C | 7.7°C | 45 mm | 65% | 0.1 m/s | 5.4 |
| 2024 | 26.6°C | 21.3°C | 16.0°C | 32.9°C | 9.5°C | 176 mm | 79% | 0.1 m/s | 4.5 |
| 2023 | 25.7°C | 20.7°C | 15.7°C | 29.2°C | 10.8°C | 146 mm | 78% | 0.1 m/s | 4.7 |
| 2022 🔥 | 30.3°C | 24.0°C | 17.7°C | 35.7°C | 12.2°C | 69 mm | 63% | 0.1 m/s | 5.5 |
| 2021 | 28.0°C | 22.9°C | 17.8°C | 33.9°C | 11.8°C | 193 mm | 78% | 0.1 m/s | 4.7 |
| 2020 | 27.2°C | 21.9°C | 16.6°C | 31.7°C | 11.2°C | 167 mm | 78% | 0.1 m/s | 5.5 |
| 2019 | 26.0°C | 21.0°C | 16.0°C | 31.6°C | 11.3°C | 91 mm | 80% | 0.1 m/s | 5.3 |
| 2018 | 26.4°C | 22.1°C | 17.7°C | 30.5°C | 12.1°C | 208 mm | 86% | 0.1 m/s | 4.6 |
| 2017 | 24.9°C | 19.7°C | 14.5°C | 29.5°C | 9.6°C | 122 mm | 79% | 0.1 m/s | 5.2 |
| 2016 | 28.8°C | 23.1°C | 17.4°C | 32.5°C | 12.0°C | 82 mm | 72% | 0.1 m/s | 5.5 |
| 2015 | 28.2°C | 21.8°C | 15.5°C | 32.5°C | 11.7°C | 84 mm | 65% | 0.1 m/s | 5.6 |
| 2014 | 26.3°C | 20.3°C | 14.3°C | 31.6°C | 9.6°C | 84 mm | 71% | 0.1 m/s | 4.9 |
| 2013 | 25.9°C | 20.5°C | 15.1°C | 31.1°C | 8.6°C | 109 mm | 76% | 0.1 m/s | 5 |
| 2012 | 27.9°C | 22.0°C | 16.1°C | 32.7°C | 10.6°C | 88 mm | 69% | 0.1 m/s | 5.3 |
| 2011 🌧️ | 25.4°C | 20.3°C | 15.2°C | 30.0°C | 8.8°C | 275 mm | 81% | 0.1 m/s | 4.6 |
| 2010 | 28.5°C | 22.4°C | 16.3°C | 33.6°C | 10.3°C | 80 mm | 67% | 0.1 m/s | 4.8 |
| 2009 | 25.7°C | 21.1°C | 16.4°C | 29.5°C | 10.1°C | 165 mm | 84% | 0.1 m/s | 5 |
| 2008 | 26.4°C | 20.1°C | 13.8°C | 29.2°C | 8.9°C | 63 mm | 70% | 0.1 m/s | 5.4 |
| 2007 | 28.3°C | 22.1°C | 15.9°C | 34.8°C | 11.5°C | 127 mm | 71% | 0.1 m/s | 5 |
| 2006 | 25.9°C | 20.7°C | 15.5°C | 31.2°C | 8.9°C | 110 mm | 78% | 0.1 m/s | 5.3 |
| 2005 | 29.9°C | 23.7°C | 17.4°C | 35.8°C | 12.5°C | 79 mm | 67% | 0.1 m/s | 4.7 |
| 2004 | 25.2°C | 20.1°C | 14.9°C | 30.2°C | 8.6°C | 158 mm | 84% | 0.1 m/s | 4.6 |
| 2003 | 25.9°C | 21.2°C | 16.5°C | 29.6°C | 8.9°C | 139 mm | 84% | 0.1 m/s | 4.7 |
| 2002 | 30.3°C | 23.6°C | 17.0°C | 36.9°C | 12.0°C | 55 mm | 58% | 0.1 m/s | 5.4 |
| 2001 | 30.0°C | 23.3°C | 16.7°C | 37.2°C | 12.1°C | 93 mm | 64% | 0.1 m/s | 4.9 |
| 2000 | 25.6°C | 20.2°C | 14.9°C | 29.5°C | 7.3°C | 74 mm | 76% | 0.1 m/s | 4.7 |
| 1999 | 28.4°C | 21.8°C | 15.1°C | 34.0°C | 10.6°C | 92 mm | 61% | 0.1 m/s | 5 |
| 1998 | 27.9°C | 21.7°C | 15.5°C | 30.7°C | 8.6°C | 78 mm | 70% | 0.1 m/s | 5 |
| 1997 | 25.9°C | 19.9°C | 14.0°C | 31.6°C | 9.7°C | 143 mm | 69% | 0.1 m/s | 4.6 |
| 1996 | 25.8°C | 20.3°C | 14.7°C | 29.7°C | 10.1°C | 56 mm | 79% | 0.1 m/s | 5.3 |
| 1995 | 31.0°C | 23.4°C | 15.8°C | 35.5°C | 10.2°C | 37 mm | 57% | 0.1 m/s | 5.5 |
| 1994 | 24.5°C | 19.0°C | 13.5°C | 28.7°C | 7.8°C | 172 mm | 80% | 0.1 m/s | 4.5 |
| 1993 | 28.5°C | 22.1°C | 15.7°C | 34.0°C | 9.5°C | 98 mm | 68% | 0.1 m/s | 5 |
| 1992 | 25.3°C | 19.3°C | 13.3°C | 31.7°C | 7.9°C | 73 mm | 73% | 0.1 m/s | 5.1 |
| 1991 | 28.8°C | 22.2°C | 15.6°C | 33.9°C | 12.2°C | 98 mm | 67% | 0.1 m/s | 4.9 |
| 1990 | 25.8°C | 20.4°C | 15.1°C | 30.8°C | 10.7°C | 160 mm | 79% | 0.1 m/s | 4.5 |
| 1989 | 25.3°C | 20.1°C | 14.9°C | 29.0°C | 8.9°C | 71 mm | 78% | 0.1 m/s | 4.8 |
| 1988 | 28.5°C | 22.2°C | 15.9°C | 35.4°C | 7.3°C | 109 mm | 68% | 0.1 m/s | 5.1 |
| 1987 | 27.6°C | 21.0°C | 14.4°C | 33.6°C | 7.8°C | 131 mm | 68% | 0 m/s | 4.6 |
| 1986 | 24.5°C | 19.0°C | 13.5°C | 27.9°C | 3.7°C | 113 mm | 76% | 0.1 m/s | 5.2 |
| 1985 | 26.5°C | 20.4°C | 14.3°C | 32.5°C | 10.2°C | 80 mm | 69% | 0.1 m/s | 4.9 |
| 1984 | 25.3°C | 20.2°C | 15.1°C | 30.9°C | 7.0°C | 88 mm | 83% | 0.1 m/s | 5.5 |
| 1983 | 28.6°C | 21.8°C | 15.1°C | 33.8°C | 8.0°C | 76 mm | 68% | 0.1 m/s | — |
| 1982 ❄️ | 25.2°C | 18.7°C | 12.1°C | 30.4°C | 3.7°C | 99 mm | 70% | 0.1 m/s | — |
| 1981 | 27.5°C | 20.6°C | 13.7°C | 31.0°C | 7.5°C | 52 mm | 65% | 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 15.4°C (mean 21.3°C), based on 45 years of NASA POWER data.
August averages 109 mm of rainfall in Wilkes Barre, a relatively wet time of year. The wettest on record was 275 mm in 2011.
The hottest August reached 37.2°C in 2001. The coldest dipped to 3.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.7°C. Daytime highs moved from 26.6°C to 27.6°C and overnight lows from 14.1°C to 16.3°C over the same span.
August is one of the warmer months of the year in Wilkes Barre and a relatively wet time of year, so plan for around 27.1°C daytime highs and 15.4°C at night.
Not quite — August is the 11th coolest month in Wilkes Barre, averaging 21.3°C.
For August in Wilkes Barre, pack light layers you can adjust through the day, with typical highs of 27.1°C and lows of 15.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 73% — 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 2011 with 275 mm. On average, August sees 109 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 Wilkes Barre 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.
