August is one of the warmer months of the year in Vernon, with average highs near 24.3°C and lows around 10°C (mean 17.2°C). It is one of the drier months, averaging 35 mm of rainfall and 59% relative humidity across the period.
August is one of the warmer months of the year in Vernon. Across 45 years of records, the warmest August in Vernon was 2022 — when the month averaged 19.5°C — while the coldest was 1995 at 13.7°C. Typical August days reach 24.3°C with nights near 10°C. The long-term trend is warming, about 0.3°C per decade.
August is one of the drier months in Vernon, averaging 35 mm of rainfall. The wettest August on record was 1991 with 74 mm, while the driest was 2003 at 4 mm.
Relative humidity in Vernon during August averages 59%. The most humid August was 2020 at 70%, and the least humid was 2003 at 48%.
August receives about 5.3 kWh/m²/day of solar energy in Vernon. The sunniest August was 2005 at 6 kWh/m²/day, and the cloudiest were 1995 and 2021 at 4.6.
Average wind speed in Vernon during August is 0.2 m/s. The windiest Augusts were 1992, 2005 and 2017, among others at 0.3 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.7°C | 17.0°C | 17.1°C | 17.8°C | 17.5°C | +0.8°C |
| Avg High | 24.0°C | 24.1°C | 24.6°C | 24.8°C | 24.0°C | 0°C |
| Avg Low | 9.4°C | 9.8°C | 9.6°C | 10.7°C | 11.0°C | +1.6°C |
| Avg Rain | 37 mm | 40 mm | 27 mm | 28 mm | 45 mm | +7 mm |
August temperatures in Vernon have risen by about 1.2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 1.5°C (2008) to a record high of 35.4°C (2004).
Rainfall in August is one of the drier months, averaging 35 mm, with a wettest year of 74 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.1°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 Vernon
August is one of the best times to visit Vernon. Expect days averaging 24.3°C and nights around 10°C (mean 17.2°C) — warmer than Vernon's yearly average — with moderate rainfall (35 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 | 23.3°C | 17.5°C | 11.6°C | 31.1°C | 6.9°C | 57 mm | 70% | 0.2 m/s | 5.3 |
| 2024 | 24.8°C | 18.1°C | 11.4°C | 33.2°C | 4.7°C | 70 mm | 63% | 0.2 m/s | 5.1 |
| 2023 | 25.8°C | 18.6°C | 11.5°C | 34.5°C | 6.7°C | 39 mm | 59% | 0.2 m/s | 5.1 |
| 2022 🔥 | 26.2°C | 19.5°C | 12.8°C | 32.5°C | 6.6°C | 44 mm | 65% | 0.2 m/s | 5.5 |
| 2021 | 22.3°C | 16.2°C | 10.0°C | 30.9°C | 4.9°C | 39 mm | 69% | 0.2 m/s | 4.6 |
| 2020 | 21.6°C | 15.3°C | 9.0°C | 30.8°C | 3.2°C | 19 mm | 70% | 0.2 m/s | 5.6 |
| 2019 | 24.3°C | 17.4°C | 10.4°C | 32.2°C | 6.3°C | 53 mm | 61% | 0.2 m/s | 5.4 |
| 2018 | 24.2°C | 17.5°C | 10.8°C | 33.2°C | 5.9°C | 25 mm | 61% | 0.2 m/s | 5.1 |
| 2017 | 26.7°C | 19.1°C | 11.5°C | 32.2°C | 6.8°C | 10 mm | 54% | 0.3 m/s | 5.8 |
| 2016 | 25.0°C | 17.9°C | 10.7°C | 30.7°C | 6.1°C | 23 mm | 60% | 0.2 m/s | 5.5 |
| 2015 | 24.9°C | 17.8°C | 10.8°C | 32.6°C | 6.8°C | 40 mm | 55% | 0.2 m/s | 5.1 |
| 2014 | 25.3°C | 18.7°C | 12.1°C | 32.9°C | 6.7°C | 38 mm | 59% | 0.2 m/s | 5 |
| 2013 | 24.6°C | 18.1°C | 11.5°C | 30.7°C | 7.9°C | 36 mm | 60% | 0.2 m/s | 4.9 |
| 2012 | 25.9°C | 18.2°C | 10.6°C | 33.1°C | 5.9°C | 18 mm | 57% | 0.2 m/s | 5.9 |
| 2011 | 23.3°C | 16.4°C | 9.5°C | 29.2°C | 5.7°C | 10 mm | 60% | 0.2 m/s | 5.9 |
| 2010 | 23.4°C | 16.4°C | 9.4°C | 31.4°C | 3.6°C | 25 mm | 57% | 0.2 m/s | 5.1 |
| 2009 | 25.4°C | 17.7°C | 10.0°C | 33.0°C | 5.0°C | 23 mm | 54% | 0.2 m/s | 5.5 |
| 2008 | 23.8°C | 16.5°C | 9.2°C | 34.1°C | 1.5°C | 56 mm | 59% | 0.2 m/s | 5.1 |
| 2007 | 22.5°C | 15.5°C | 8.5°C | 31.7°C | 4.1°C | 30 mm | 58% | 0.2 m/s | 5.2 |
| 2006 | 25.0°C | 17.1°C | 9.1°C | 32.1°C | 5.4°C | 13 mm | 50% | 0.2 m/s | 5.6 |
| 2005 | 24.6°C | 16.9°C | 9.2°C | 30.6°C | 4.5°C | 24 mm | 54% | 0.3 m/s | 6 |
| 2004 | 25.7°C | 18.9°C | 12.1°C | 35.4°C | 8.0°C | 57 mm | 59% | 0.2 m/s | 4.9 |
| 2003 | 27.0°C | 18.6°C | 10.2°C | 34.8°C | 4.2°C | 4 mm | 48% | 0.2 m/s | 5.9 |
| 2002 | 23.9°C | 16.4°C | 8.8°C | 31.0°C | 4.3°C | 23 mm | 54% | 0.2 m/s | 5.6 |
| 2001 | 25.1°C | 17.4°C | 9.8°C | 33.4°C | 5.4°C | 23 mm | 55% | 0.2 m/s | 5.6 |
| 2000 | 23.3°C | 16.0°C | 8.7°C | 30.5°C | 3.6°C | 20 mm | 58% | 0.2 m/s | 5.7 |
| 1999 | 24.6°C | 17.5°C | 10.5°C | 31.8°C | 4.3°C | 47 mm | 63% | 0.2 m/s | 5.2 |
| 1998 | 27.1°C | 19.1°C | 11.1°C | 35.2°C | 7.0°C | 10 mm | 52% | 0.2 m/s | 5.9 |
| 1997 | 23.5°C | 16.8°C | 10.0°C | 32.8°C | 6.3°C | 21 mm | 62% | 0.2 m/s | 5.4 |
| 1996 | 25.1°C | 17.3°C | 9.4°C | 33.8°C | 5.2°C | 20 mm | 54% | 0.2 m/s | 5.2 |
| 1995 ❄️ | 20.3°C | 13.7°C | 7.1°C | 29.6°C | 4.4°C | 64 mm | 63% | 0.2 m/s | 4.6 |
| 1994 | 25.1°C | 17.6°C | 10.1°C | 34.3°C | 4.8°C | 56 mm | 53% | 0.2 m/s | 5.5 |
| 1993 | 22.0°C | 15.4°C | 8.8°C | 29.4°C | 3.8°C | 23 mm | 61% | 0.2 m/s | 5.2 |
| 1992 | 24.5°C | 17.0°C | 9.5°C | 32.8°C | 2.4°C | 33 mm | 51% | 0.3 m/s | 5.5 |
| 1991 🌧️ | 23.9°C | 17.2°C | 10.5°C | 30.8°C | 5.9°C | 74 mm | 67% | 0.2 m/s | 5.1 |
| 1990 | 25.0°C | 17.9°C | 10.7°C | 32.5°C | 5.4°C | 51 mm | 60% | 0.2 m/s | 5.4 |
| 1989 | 22.2°C | 15.6°C | 9.1°C | 31.8°C | 5.8°C | 70 mm | 64% | 0.2 m/s | 4.7 |
| 1988 | 24.1°C | 16.7°C | 9.3°C | 32.8°C | 4.6°C | 38 mm | 57% | 0.2 m/s | 5 |
| 1987 | 23.3°C | 15.9°C | 8.6°C | 31.4°C | 5.2°C | 23 mm | 56% | 0.2 m/s | 5.3 |
| 1986 | 26.1°C | 18.5°C | 10.9°C | 32.7°C | 7.3°C | 15 mm | 53% | 0.3 m/s | 5.8 |
| 1985 | 22.9°C | 15.4°C | 7.8°C | 28.2°C | 4.5°C | 46 mm | 55% | 0.2 m/s | 5.3 |
| 1984 | 23.8°C | 16.3°C | 8.7°C | 29.8°C | 2.9°C | 41 mm | 60% | 0.2 m/s | 5 |
| 1983 | 24.6°C | 17.3°C | 10.0°C | 30.7°C | 5.8°C | 26 mm | 61% | 0.2 m/s | — |
| 1982 | 22.2°C | 15.5°C | 8.8°C | 29.7°C | 4.1°C | 45 mm | 64% | 0.2 m/s | — |
| 1981 | 27.1°C | 19.4°C | 11.8°C | 34.0°C | 6.0°C | 33 mm | 57% | 0.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 24.3°C with lows near 10°C (mean 17.2°C), based on 45 years of NASA POWER data.
August averages 35 mm of rainfall in Vernon, one of the drier months. The wettest on record was 74 mm in 1991.
The hottest August reached 35.4°C in 2004. The coldest dipped to 1.5°C in 2008.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 1.2°C. Daytime highs moved from 24.1°C to 24.5°C and overnight lows from 9.4°C to 11.5°C over the same span.
August is one of the warmer months of the year in Vernon and one of the drier months, so plan for around 24.3°C daytime highs and 10°C at night.
Not quite — August is the 12th coolest month in Vernon, averaging 17.2°C.
For August in Vernon, pack light layers you can adjust through the day, with typical highs of 24.3°C and lows of 10°C.
Relative humidity in August averages 59% — moderately humid.
Average wind speed in August is 0.2 m/s. The windiest August on record averaged 0.3 m/s (1986).
The wettest August on record was 1991 with 74 mm. On average, August sees 35 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 Vernon 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.
