August is one of the warmer months of the year in Whitecourt, with average highs near 22°C and lows around 9.4°C (mean 15.7°C). It is a relatively wet time of year, averaging 66 mm of rainfall and 69% relative humidity across the period.
August is one of the warmer months of the year in Whitecourt. Across 45 years of records, the warmest August in Whitecourt was 2022 — when the month averaged 18.5°C — while the coldest was 1982 at 11.9°C. Typical August days reach 22°C with nights near 9.4°C. The long-term trend is warming, about 0.4°C per decade.
August is a relatively wet time of year in Whitecourt, averaging 66 mm of rainfall. The wettest August on record was 1989 with 128 mm, while the driest was 1986 at 24 mm.
Relative humidity in Whitecourt during August averages 69%. The most humid August was 1989 at 84%, and the least humid were 2003 and 2015 at 58%.
August receives about 4.8 kWh/m²/day of solar energy in Whitecourt. The sunniest August was 1986 at 5.6 kWh/m²/day, and the cloudiest was 1989 at 4.1.
Average wind speed in Whitecourt during August is 0.8 m/s. The windiest Augusts were 2016, 2020 and 2021, among others at 0.9 m/s, while the calmest were 2013, 2014 and 2015, among others at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 14.7°C | 15.7°C | 15.5°C | 16.0°C | 16.8°C | +2.1°C |
| Avg High | 20.7°C | 22.0°C | 22.0°C | 22.4°C | 23.0°C | +2.3°C |
| Avg Low | 8.7°C | 9.4°C | 8.9°C | 9.8°C | 10.7°C | +2°C |
| Avg Rain | 78 mm | 76 mm | 51 mm | 57 mm | 72 mm | -6 mm |
August temperatures in Whitecourt have risen by about 2°C between 1981–1985 and 2021–2025.
August has ranged from a record low of -2.8°C (1992) to a record high of 35.6°C (1998).
Rainfall in August is a relatively wet time of year, averaging 66 mm, with a wettest year of 128 mm.
One of the best times to visit Whitecourt
August is one of the best times to visit Whitecourt. Expect days averaging 22°C and nights around 9.4°C (mean 15.7°C) — warmer than Whitecourt's yearly average — with moderate rainfall (66 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 | 23.5°C | 17.5°C | 11.4°C | 31.2°C | 6.0°C | 91 mm | 70% | 0.8 m/s | 4.8 |
| 2024 | 23.2°C | 16.9°C | 10.6°C | 28.7°C | 7.6°C | 76 mm | 69% | 0.8 m/s | 4.6 |
| 2023 | 22.0°C | 16.4°C | 10.7°C | 27.9°C | 5.0°C | 86 mm | 76% | 0.8 m/s | 4.5 |
| 2022 🔥 | 24.9°C | 18.5°C | 12.2°C | 30.4°C | 6.7°C | 94 mm | 69% | 0.8 m/s | 5.2 |
| 2021 | 23.1°C | 16.6°C | 10.2°C | 32.7°C | 4.7°C | 49 mm | 63% | 0.9 m/s | 4.4 |
| 2020 | 21.4°C | 15.2°C | 9.0°C | 31.1°C | 3.3°C | 34 mm | 71% | 0.9 m/s | 5.3 |
| 2019 | 18.8°C | 13.6°C | 8.4°C | 26.5°C | 4.2°C | 61 mm | 81% | 0.8 m/s | 4.2 |
| 2018 | 22.6°C | 16.2°C | 9.9°C | 34.1°C | 3.6°C | 61 mm | 67% | 0.8 m/s | 4.5 |
| 2017 | 24.0°C | 16.7°C | 9.5°C | 28.4°C | 6.6°C | 49 mm | 65% | 0.8 m/s | 5.2 |
| 2016 | 22.1°C | 16.3°C | 10.5°C | 27.5°C | 5.1°C | 90 mm | 72% | 0.9 m/s | 4.6 |
| 2015 | 23.9°C | 16.8°C | 9.6°C | 30.8°C | 1.4°C | 38 mm | 58% | 0.7 m/s | 4.9 |
| 2014 | 23.5°C | 17.0°C | 10.6°C | 30.8°C | 4.0°C | 45 mm | 66% | 0.7 m/s | 4.8 |
| 2013 | 23.2°C | 17.1°C | 11.1°C | 28.9°C | 6.9°C | 59 mm | 70% | 0.7 m/s | 4.6 |
| 2012 | 23.6°C | 17.0°C | 10.5°C | 30.4°C | 4.8°C | 67 mm | 67% | 0.7 m/s | 5.4 |
| 2011 | 21.7°C | 15.3°C | 8.8°C | 28.5°C | 4.2°C | 28 mm | 69% | 0.8 m/s | 5.2 |
| 2010 | 20.5°C | 14.5°C | 8.6°C | 27.9°C | 1.2°C | 72 mm | 71% | 0.8 m/s | 4.3 |
| 2009 | 23.1°C | 16.0°C | 8.8°C | 29.7°C | 4.2°C | 34 mm | 63% | 0.8 m/s | 4.9 |
| 2008 | 23.7°C | 17.0°C | 10.3°C | 32.8°C | 1.6°C | 38 mm | 61% | 0.9 m/s | 4.9 |
| 2007 | 19.8°C | 14.0°C | 8.2°C | 28.6°C | 2.1°C | 68 mm | 71% | 0.8 m/s | 4.4 |
| 2006 | 22.8°C | 15.8°C | 8.9°C | 29.3°C | 5.5°C | 52 mm | 61% | 0.7 m/s | 5.2 |
| 2005 | 20.3°C | 13.8°C | 7.4°C | 27.8°C | 2.8°C | 59 mm | 69% | 0.8 m/s | 4.7 |
| 2004 | 20.8°C | 14.8°C | 8.8°C | 31.5°C | 2.9°C | 67 mm | 73% | 0.7 m/s | 4.6 |
| 2003 | 25.0°C | 17.8°C | 10.6°C | 34.0°C | 4.8°C | 37 mm | 58% | 0.8 m/s | 5.2 |
| 2002 | 21.9°C | 15.1°C | 8.2°C | 31.2°C | 2.7°C | 47 mm | 62% | 0.9 m/s | 4.9 |
| 2001 | 22.5°C | 16.0°C | 9.5°C | 27.6°C | 6.2°C | 35 mm | 72% | 0.7 m/s | 5.4 |
| 2000 | 19.8°C | 14.2°C | 8.6°C | 27.7°C | 4.1°C | 70 mm | 73% | 0.8 m/s | 4.4 |
| 1999 | 24.2°C | 17.4°C | 10.6°C | 30.1°C | 4.8°C | 47 mm | 62% | 0.8 m/s | 5 |
| 1998 | 25.2°C | 18.2°C | 11.2°C | 35.6°C | 7.5°C | 51 mm | 60% | 0.7 m/s | 5.3 |
| 1997 | 21.5°C | 15.4°C | 9.3°C | 32.4°C | 6.0°C | 39 mm | 72% | 0.8 m/s | 5 |
| 1996 | 20.8°C | 14.9°C | 9.0°C | 27.4°C | 5.1°C | 98 mm | 78% | 0.8 m/s | 5.2 |
| 1995 | 17.5°C | 12.2°C | 7.0°C | 27.2°C | 4.5°C | 95 mm | 76% | 0.8 m/s | 4.3 |
| 1994 | 21.6°C | 15.6°C | 9.7°C | 30.1°C | 4.0°C | 101 mm | 71% | 0.8 m/s | 4.8 |
| 1993 | 20.4°C | 14.4°C | 8.5°C | 28.7°C | 2.7°C | 103 mm | 73% | 0.7 m/s | 4.7 |
| 1992 | 22.0°C | 14.9°C | 7.8°C | 32.2°C | -2.8°C | 45 mm | 59% | 0.8 m/s | 5.3 |
| 1991 | 23.9°C | 17.5°C | 11.2°C | 30.7°C | 5.6°C | 85 mm | 70% | 0.7 m/s | 5.3 |
| 1990 | 22.5°C | 16.3°C | 10.1°C | 31.0°C | 2.2°C | 94 mm | 68% | 0.8 m/s | 4.8 |
| 1989 🌧️ | 19.4°C | 14.7°C | 10.0°C | 26.8°C | 3.1°C | 128 mm | 84% | 0.7 m/s | 4.1 |
| 1988 | 21.0°C | 14.8°C | 8.6°C | 29.1°C | 5.1°C | 104 mm | 71% | 0.8 m/s | 4.7 |
| 1987 | 17.6°C | 12.4°C | 7.1°C | 23.9°C | 2.0°C | 103 mm | 77% | 0.7 m/s | 4.4 |
| 1986 | 21.2°C | 14.7°C | 8.2°C | 28.0°C | 3.6°C | 24 mm | 71% | 0.8 m/s | 5.6 |
| 1985 | 20.1°C | 13.5°C | 6.9°C | 30.5°C | 2.2°C | 105 mm | 70% | 0.9 m/s | 4.9 |
| 1984 | 23.1°C | 16.3°C | 9.6°C | 30.8°C | 1.1°C | 54 mm | 63% | 0.8 m/s | 4.7 |
| 1983 | 21.8°C | 15.7°C | 9.7°C | 28.2°C | 3.3°C | 31 mm | 75% | 0.7 m/s | — |
| 1982 ❄️ | 17.0°C | 11.9°C | 6.9°C | 23.3°C | 1.8°C | 109 mm | 81% | 0.8 m/s | — |
| 1981 | 25.5°C | 18.4°C | 11.2°C | 32.0°C | 6.0°C | 42 mm | 61% | 0.8 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 22°C with lows near 9.4°C (mean 15.7°C), based on 45 years of NASA POWER data.
August averages 66 mm of rainfall in Whitecourt, a relatively wet time of year. The wettest on record was 128 mm in 1989.
The hottest August reached 35.6°C in 1998. The coldest dipped to -2.8°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2°C. Daytime highs moved from 21.5°C to 23.3°C and overnight lows from 8.9°C to 11°C over the same span.
August is one of the warmer months of the year in Whitecourt and a relatively wet time of year, so plan for around 22°C daytime highs and 9.4°C at night.
Not quite — August is the 11th coolest month in Whitecourt, averaging 15.7°C.
For August in Whitecourt, pack light layers you can adjust through the day, with typical highs of 22°C and lows of 9.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 69% — moderately humid.
Average wind speed in August is 0.8 m/s. The windiest August on record averaged 0.9 m/s (1985).
The wettest August on record was 1989 with 128 mm. On average, August sees 66 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 Whitecourt 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.
