August is one of the warmer months of the year in Langley, with average highs near 22.5°C and lows around 13.1°C (mean 17.8°C). It is one of the drier months, averaging 40 mm of rainfall and 77% relative humidity across the period.
August is one of the warmer months of the year in Langley. Across 45 years of records, the warmest August in Langley was 2022 — when the month averaged 20.3°C — while the coldest was 1995 at 15.3°C. Typical August days reach 22.5°C with nights near 13.1°C. The long-term trend is warming, about 0.2°C per decade.
August is one of the drier months in Langley, averaging 40 mm of rainfall. The wettest August on record was 1991 with 129 mm, while the driest was 1986 at 5 mm.
Relative humidity in Langley during August averages 77%. The most humid August was 2025 at 85%, and the least humid was 1985 at 71%.
August receives about 5.2 kWh/m²/day of solar energy in Langley. The sunniest August was 2005 at 6 kWh/m²/day, and the cloudiest were 1995, 2001 and 2008, among others at 4.6.
Average wind speed in Langley during August is 0.5 m/s. The windiest Augusts were 2022, 2024 and 2025, among others at 0.5 m/s, while the calmest were 2013, 2014 and 2023, among others at 0.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.4°C | 17.7°C | 17.4°C | 18.3°C | 18.3°C | +0.9°C |
| Avg High | 22.3°C | 22.3°C | 22.0°C | 23.0°C | 22.8°C | +0.5°C |
| Avg Low | 12.5°C | 13.1°C | 12.7°C | 13.7°C | 13.7°C | +1.2°C |
| Avg Rain | 32 mm | 47 mm | 44 mm | 27 mm | 59 mm | +27 mm |
August temperatures in Langley have risen by about 1.1°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 7.2°C (2008) to a record high of 36.2°C (1981).
Rainfall in August is one of the drier months, averaging 40 mm, with a wettest year of 129 mm.
One of the best times to visit Langley
August is one of the best times to visit Langley. Expect days averaging 22.5°C and nights around 13.1°C (mean 17.8°C) — warmer than Langley's yearly average — with moderate rainfall (40 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 | 21.7°C | 17.3°C | 13.0°C | 32.9°C | 9.4°C | 91 mm | 85% | 0.5 m/s | 5.1 |
| 2024 | 22.5°C | 18.1°C | 13.6°C | 30.1°C | 8.9°C | 119 mm | 80% | 0.5 m/s | 4.8 |
| 2023 | 24.0°C | 18.9°C | 13.9°C | 35.8°C | 10.6°C | 50 mm | 77% | 0.4 m/s | 5.2 |
| 2022 🔥 | 25.1°C | 20.3°C | 15.5°C | 33.8°C | 11.5°C | 16 mm | 77% | 0.5 m/s | 5.6 |
| 2021 | 22.1°C | 17.9°C | 13.6°C | 32.0°C | 9.7°C | 42 mm | 81% | 0.5 m/s | 4.9 |
| 2020 | 21.6°C | 17.2°C | 12.7°C | 32.6°C | 8.5°C | 35 mm | 79% | 0.5 m/s | 5.4 |
| 2019 | 23.2°C | 18.5°C | 13.8°C | 30.6°C | 11.3°C | 28 mm | 77% | 0.5 m/s | 5 |
| 2018 | 23.4°C | 18.7°C | 14.0°C | 32.1°C | 10.3°C | 12 mm | 74% | 0.5 m/s | 5.1 |
| 2017 | 24.7°C | 19.7°C | 14.7°C | 33.5°C | 10.8°C | 7 mm | 75% | 0.5 m/s | 5.7 |
| 2016 | 23.3°C | 18.6°C | 13.9°C | 36.0°C | 10.0°C | 16 mm | 76% | 0.5 m/s | 5.4 |
| 2015 | 22.8°C | 18.4°C | 14.1°C | 29.8°C | 10.6°C | 73 mm | 74% | 0.5 m/s | 5.1 |
| 2014 | 23.8°C | 19.1°C | 14.5°C | 35.1°C | 11.2°C | 35 mm | 78% | 0.4 m/s | 5.2 |
| 2013 | 22.5°C | 18.2°C | 13.9°C | 27.2°C | 10.9°C | 42 mm | 81% | 0.4 m/s | 4.7 |
| 2012 | 23.0°C | 18.2°C | 13.4°C | 32.2°C | 8.7°C | 5 mm | 77% | 0.4 m/s | 5.5 |
| 2011 | 21.4°C | 16.9°C | 12.4°C | 33.0°C | 9.1°C | 18 mm | 79% | 0.4 m/s | 5.5 |
| 2010 | 21.7°C | 17.1°C | 12.6°C | 34.0°C | 8.8°C | 36 mm | 79% | 0.5 m/s | 5.1 |
| 2009 | 21.6°C | 17.1°C | 12.6°C | 32.0°C | 8.8°C | 33 mm | 78% | 0.4 m/s | 5 |
| 2008 | 21.6°C | 17.2°C | 12.8°C | 31.3°C | 7.2°C | 120 mm | 79% | 0.5 m/s | 4.6 |
| 2007 | 21.0°C | 16.6°C | 12.3°C | 31.8°C | 9.5°C | 20 mm | 79% | 0.5 m/s | 4.9 |
| 2006 | 21.7°C | 17.0°C | 12.3°C | 28.3°C | 9.3°C | 9 mm | 75% | 0.4 m/s | 5.8 |
| 2005 | 23.1°C | 18.2°C | 13.2°C | 29.1°C | 10.2°C | 32 mm | 75% | 0.4 m/s | 6 |
| 2004 | 23.7°C | 19.1°C | 14.5°C | 32.9°C | 11.8°C | 95 mm | 77% | 0.4 m/s | 4.9 |
| 2003 | 23.0°C | 18.0°C | 13.0°C | 30.5°C | 9.2°C | 10 mm | 73% | 0.4 m/s | 5.6 |
| 2002 | 22.0°C | 17.2°C | 12.3°C | 31.3°C | 9.6°C | 14 mm | 77% | 0.4 m/s | 5.6 |
| 2001 | 21.8°C | 17.4°C | 13.1°C | 31.7°C | 9.6°C | 77 mm | 80% | 0.5 m/s | 4.6 |
| 2000 | 20.1°C | 15.7°C | 11.4°C | 25.4°C | 8.4°C | 30 mm | 81% | 0.5 m/s | 5.5 |
| 1999 | 21.9°C | 17.7°C | 13.5°C | 29.5°C | 10.3°C | 55 mm | 82% | 0.5 m/s | 4.9 |
| 1998 | 22.5°C | 17.9°C | 13.2°C | 27.9°C | 10.1°C | 8 mm | 78% | 0.5 m/s | 5.7 |
| 1997 | 23.9°C | 19.0°C | 14.1°C | 36.0°C | 11.1°C | 35 mm | 78% | 0.4 m/s | 5.4 |
| 1996 | 21.8°C | 17.4°C | 13.0°C | 30.7°C | 9.3°C | 34 mm | 77% | 0.5 m/s | 5 |
| 1995 ❄️ | 19.5°C | 15.3°C | 11.1°C | 24.1°C | 8.7°C | 60 mm | 79% | 0.5 m/s | 4.6 |
| 1994 | 22.4°C | 17.8°C | 13.1°C | 28.9°C | 9.8°C | 18 mm | 74% | 0.5 m/s | 5 |
| 1993 | 22.2°C | 17.5°C | 12.7°C | 33.5°C | 9.1°C | 30 mm | 78% | 0.5 m/s | 4.9 |
| 1992 | 23.4°C | 18.4°C | 13.4°C | 32.1°C | 8.3°C | 36 mm | 74% | 0.4 m/s | 5.4 |
| 1991 🌧️ | 22.0°C | 17.7°C | 13.4°C | 26.3°C | 9.4°C | 129 mm | 82% | 0.4 m/s | 4.9 |
| 1990 | 23.3°C | 18.4°C | 13.5°C | 32.2°C | 9.4°C | 61 mm | 76% | 0.4 m/s | 5.2 |
| 1989 | 20.7°C | 16.4°C | 12.0°C | 25.5°C | 9.9°C | 78 mm | 80% | 0.4 m/s | 4.8 |
| 1988 | 21.4°C | 16.7°C | 12.0°C | 30.3°C | 8.7°C | 26 mm | 77% | 0.4 m/s | 4.8 |
| 1987 | 22.4°C | 17.3°C | 12.2°C | 31.0°C | 8.6°C | 14 mm | 73% | 0.4 m/s | 5.4 |
| 1986 | 24.8°C | 19.3°C | 13.9°C | 32.3°C | 10.7°C | 5 mm | 75% | 0.4 m/s | 5.7 |
| 1985 | 21.6°C | 16.5°C | 11.4°C | 27.7°C | 8.6°C | 19 mm | 71% | 0.5 m/s | 5.2 |
| 1984 | 20.8°C | 16.1°C | 11.4°C | 26.2°C | 8.2°C | 44 mm | 77% | 0.5 m/s | 4.6 |
| 1983 | 22.6°C | 17.6°C | 12.5°C | 32.0°C | 10.1°C | 39 mm | 76% | 0.4 m/s | — |
| 1982 | 21.9°C | 17.2°C | 12.5°C | 31.7°C | 9.0°C | 44 mm | 75% | 0.5 m/s | — |
| 1981 | 24.9°C | 19.6°C | 14.4°C | 36.2°C | 10.0°C | 20 mm | 73% | 0.5 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 22.5°C with lows near 13.1°C (mean 17.8°C), based on 45 years of NASA POWER data.
August averages 40 mm of rainfall in Langley, one of the drier months. The wettest on record was 129 mm in 1991.
The hottest August reached 36.2°C in 1981. The coldest dipped to 7.2°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.1°C. Daytime highs moved from 22.4°C to 23.1°C and overnight lows from 12.4°C to 13.9°C over the same span.
August is one of the warmer months of the year in Langley and one of the drier months, so plan for around 22.5°C daytime highs and 13.1°C at night.
Not quite — August is the 12th coolest month in Langley, averaging 17.8°C.
For August in Langley, pack light layers you can adjust through the day, with typical highs of 22.5°C and lows of 13.1°C.
Relative humidity in August averages 77% — quite humid.
Average wind speed in August is 0.5 m/s. The windiest August on record averaged 0.5 m/s (1981).
The wettest August on record was 1991 with 129 mm. On average, August sees 40 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 Langley 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.
