August is one of the cooler months of the year in Glencoe, with average highs near 9.9°C and lows around 1.8°C (mean 5.9°C). It is one of the drier months, averaging 81 mm of rainfall and 86% relative humidity across the period.
August is one of the cooler months of the year in Glencoe. Across 45 years of records, the warmest Augusts in Glencoe were 2009 and 2013 — when the month averaged 7.6°C — while the coldest was 1992 at 3.6°C. Typical August days reach 9.9°C with nights near 1.8°C. The long-term trend is warming, about 0.2°C per decade.
August is one of the drier months in Glencoe, averaging 81 mm of rainfall. The wettest August on record was 1994 with 142 mm, while the driest was 1989 at 21 mm.
Relative humidity in Glencoe during August averages 86%. The most humid August was 1992 at 89%, and the least humid was 1984 at 85%.
August receives about 2 kWh/m²/day of solar energy in Glencoe. The sunniest August was 1989 at 2.3 kWh/m²/day, and the cloudiest was 2002 at 1.7.
Average wind speed in Glencoe during August is 2.8 m/s. The windiest August was 1982 at 4 m/s, while the calmest was 1989 at 1.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.9°C | 5.2°C | 5.8°C | 6.2°C | 6.4°C | +0.5°C |
| Avg High | 10.1°C | 9.0°C | 9.7°C | 10.3°C | 10.5°C | +0.4°C |
| Avg Low | 1.8°C | 1.3°C | 1.9°C | 2.1°C | 2.3°C | +0.5°C |
| Avg Rain | 69 mm | 93 mm | 84 mm | 75 mm | 84 mm | +15 mm |
August temperatures in Glencoe have risen by about 0.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -4.6°C (2016) to a record high of 17.9°C (2005).
Rainfall in August is one of the drier months, averaging 81 mm, with a wettest year of 142 mm.
A quieter season to visit Glencoe
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Glencoe. That said, August — with days averaging 9.9°C and nights around 1.8°C (mean 5.9°C) and higher rainfall (81 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 10.0°C | 5.6°C | 1.2°C | 14.3°C | -1.9°C | 77 mm | 86% | 2.2 m/s | 2.2 |
| 2024 | 10.3°C | 6.2°C | 2.2°C | 16.7°C | -3.0°C | 88 mm | 86% | 2.7 m/s | 2.1 |
| 2023 | 9.9°C | 5.9°C | 1.9°C | 15.2°C | -1.6°C | 85 mm | 87% | 2.7 m/s | 1.9 |
| 2022 | 11.1°C | 6.8°C | 2.5°C | 16.6°C | -3.3°C | 69 mm | 85% | 2.5 m/s | 2.2 |
| 2021 | 10.4°C | 6.4°C | 2.3°C | 16.7°C | -2.1°C | 109 mm | 87% | 2.9 m/s | 1.9 |
| 2020 | 11.3°C | 7.3°C | 3.4°C | 15.7°C | -1.5°C | 76 mm | 86% | 2.8 m/s | 2 |
| 2019 | 9.4°C | 5.7°C | 2.1°C | 13.9°C | -2.3°C | 124 mm | 86% | 3.6 m/s | 2 |
| 2018 | 10.9°C | 6.7°C | 2.5°C | 14.8°C | -1.2°C | 45 mm | 86% | 2.1 m/s | 1.9 |
| 2017 | 11.0°C | 6.9°C | 2.7°C | 15.3°C | -2.8°C | 69 mm | 86% | 2.2 m/s | 2 |
| 2016 | 9.9°C | 5.6°C | 1.4°C | 15.3°C | -4.6°C | 41 mm | 86% | 2.2 m/s | 2.1 |
| 2015 | 9.2°C | 5.1°C | 1.0°C | 15.2°C | -3.6°C | 95 mm | 86% | 2.3 m/s | 2 |
| 2014 | 9.6°C | 5.7°C | 1.8°C | 16.2°C | -1.6°C | 102 mm | 87% | 3 m/s | 2 |
| 2013 | 11.8°C | 7.6°C | 3.3°C | 17.0°C | 0.5°C | 64 mm | 86% | 2.3 m/s | 2 |
| 2012 | 11.7°C | 7.2°C | 2.6°C | 16.4°C | -0.6°C | 36 mm | 86% | 2.2 m/s | 2.2 |
| 2011 | 9.1°C | 5.1°C | 1.2°C | 16.0°C | -2.6°C | 81 mm | 89% | 3.2 m/s | 1.9 |
| 2010 | 10.3°C | 6.2°C | 2.0°C | 16.6°C | -3.0°C | 93 mm | 88% | 2.2 m/s | 2 |
| 2009 🔥 | 11.6°C | 7.6°C | 3.5°C | 17.0°C | -1.4°C | 94 mm | 85% | 2.7 m/s | 2 |
| 2008 | 8.5°C | 4.7°C | 0.9°C | 15.7°C | -2.9°C | 87 mm | 88% | 2.5 m/s | 2.1 |
| 2007 | 9.3°C | 5.6°C | 1.8°C | 14.0°C | -2.1°C | 95 mm | 87% | 3.1 m/s | 1.9 |
| 2006 | 9.0°C | 5.0°C | 1.0°C | 14.1°C | -2.3°C | 81 mm | 87% | 2.9 m/s | 2.1 |
| 2005 | 11.8°C | 7.2°C | 2.6°C | 17.9°C | -2.6°C | 64 mm | 85% | 2.6 m/s | 1.9 |
| 2004 | 7.4°C | 3.9°C | 0.5°C | 12.1°C | -2.6°C | 128 mm | 89% | 2.6 m/s | 2 |
| 2003 | 9.9°C | 5.5°C | 1.2°C | 14.5°C | -3.0°C | 72 mm | 87% | 2.6 m/s | 2.1 |
| 2002 | 10.1°C | 6.3°C | 2.6°C | 14.5°C | -2.1°C | 85 mm | 87% | 3.4 m/s | 1.7 |
| 2001 | 10.0°C | 6.2°C | 2.3°C | 14.8°C | -2.5°C | 81 mm | 88% | 2.6 m/s | 1.9 |
| 2000 | 9.0°C | 5.6°C | 2.2°C | 14.4°C | -1.9°C | 52 mm | 88% | 3.3 m/s | 1.8 |
| 1999 | 10.0°C | 6.0°C | 2.0°C | 15.2°C | -1.3°C | 76 mm | 87% | 2.8 m/s | 2 |
| 1998 | 8.7°C | 4.8°C | 1.0°C | 13.4°C | -1.8°C | 78 mm | 85% | 3.3 m/s | 1.9 |
| 1997 | 9.2°C | 5.3°C | 1.5°C | 13.9°C | -2.1°C | 66 mm | 85% | 2.9 m/s | 2 |
| 1996 | 8.4°C | 4.6°C | 0.7°C | 11.9°C | -2.2°C | 79 mm | 87% | 2.6 m/s | 2 |
| 1995 | 8.7°C | 4.9°C | 1.0°C | 17.0°C | -2.9°C | 132 mm | 87% | 3.6 m/s | 2.1 |
| 1994 🌧️ | 9.3°C | 5.9°C | 2.4°C | 13.8°C | -0.6°C | 142 mm | 86% | 3.9 m/s | 2 |
| 1993 | 9.1°C | 5.1°C | 1.0°C | 13.7°C | -2.9°C | 102 mm | 86% | 3 m/s | 2.1 |
| 1992 ❄️ | 6.7°C | 3.6°C | 0.4°C | 13.8°C | -2.6°C | 123 mm | 89% | 3.2 m/s | 1.9 |
| 1991 | 10.2°C | 6.1°C | 1.9°C | 15.1°C | -1.7°C | 103 mm | 86% | 3.1 m/s | 1.9 |
| 1990 | 10.1°C | 5.6°C | 1.2°C | 14.7°C | -3.0°C | 30 mm | 86% | 2.6 m/s | 2.2 |
| 1989 | 11.2°C | 6.6°C | 2.1°C | 15.7°C | -2.1°C | 21 mm | 85% | 1.7 m/s | 2.3 |
| 1988 | 9.7°C | 5.8°C | 1.9°C | 14.6°C | -2.3°C | 91 mm | 86% | 3.4 m/s | 1.9 |
| 1987 | 10.7°C | 6.9°C | 3.0°C | 15.6°C | -0.5°C | 56 mm | 88% | 2.5 m/s | 2 |
| 1986 | 9.2°C | 5.1°C | 0.9°C | 14.8°C | -2.5°C | 58 mm | 86% | 2.5 m/s | 2.2 |
| 1985 | 9.8°C | 5.8°C | 1.9°C | 16.4°C | -1.8°C | 72 mm | 86% | 2.6 m/s | 2.1 |
| 1984 | 10.8°C | 6.5°C | 2.1°C | 15.7°C | -3.1°C | 83 mm | 85% | 2.7 m/s | 2.2 |
| 1983 | 10.3°C | 6.1°C | 1.9°C | 15.2°C | -2.0°C | 59 mm | 86% | 2.9 m/s | — |
| 1982 | 10.3°C | 6.2°C | 2.0°C | 14.6°C | -2.5°C | 118 mm | 85% | 4 m/s | — |
| 1981 | 8.7°C | 4.4°C | 0.1°C | 12.2°C | -2.5°C | 64 mm | 87% | 2.1 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 9.9°C with lows near 1.8°C (mean 5.9°C), based on 45 years of NASA POWER data.
August averages 81 mm of rainfall in Glencoe, one of the drier months. The wettest on record was 142 mm in 1994.
The hottest August reached 17.9°C in 2005. The coldest dipped to -4.6°C in 2016.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 0.4°C. Daytime highs moved from 10°C to 10.3°C and overnight lows from 1.6°C to 2°C over the same span.
August is one of the cooler months of the year in Glencoe and one of the drier months, so plan for around 9.9°C daytime highs and 1.8°C at night.
Not quite — August is the 3rd coolest month in Glencoe, averaging 5.9°C.
For August in Glencoe, pack warm layers and a jacket for chilly mornings, with typical highs of 9.9°C and lows of 1.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 86% — quite humid.
Average wind speed in August is 2.8 m/s. The windiest August on record averaged 4 m/s (1982).
The wettest August on record was 1994 with 142 mm. On average, August sees 81 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 Glencoe 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.
