August is one of the warmer months of the year in Dolbeau, with average highs near 21.5°C and lows around 11.1°C (mean 16.3°C). It is a relatively wet time of year, averaging 97 mm of rainfall and 82% relative humidity across the period.
August is one of the warmer months of the year in Dolbeau. Across 45 years of records, the warmest August in Dolbeau was 2021 — when the month averaged 19.8°C — while the coldest was 1982 at 12.5°C. Typical August days reach 21.5°C with nights near 11.1°C. The long-term trend is warming, about 0.6°C per decade.
August is a relatively wet time of year in Dolbeau, averaging 97 mm of rainfall. The wettest August on record was 2011 with 193 mm, while the driest was 2021 at 42 mm.
Relative humidity in Dolbeau during August averages 82%. The most humid August was 2015 at 86%, and the least humid was 2024 at 76%.
August receives about 4.6 kWh/m²/day of solar energy in Dolbeau. The sunniest August was 1996 at 5.3 kWh/m²/day, and the cloudiest was 1988 at 3.7.
Average wind speed in Dolbeau during August is 0.2 m/s. The windiest Augusts were 1998, 2000 and 2014, 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 | 15.2°C | 15.8°C | 16.3°C | 17.0°C | 17.5°C | +2.3°C |
| Avg High | 20.4°C | 21.2°C | 21.3°C | 22.0°C | 22.9°C | +2.5°C |
| Avg Low | 9.9°C | 10.5°C | 11.2°C | 12.0°C | 12.1°C | +2.2°C |
| Avg Rain | 94 mm | 93 mm | 94 mm | 112 mm | 90 mm | -4 mm |
August temperatures in Dolbeau have risen by about 2.4°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 0.3°C (1986) to a record high of 32.3°C (2025).
Rainfall in August is a relatively wet time of year, averaging 97 mm, with a wettest year of 193 mm.
One of the best times to visit Dolbeau
August is one of the best times to visit Dolbeau. Expect days averaging 21.5°C and nights around 11.1°C (mean 16.3°C) — warmer than Dolbeau's yearly average — with higher rainfall (97 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 | 22.7°C | 17.0°C | 11.4°C | 32.3°C | 5.5°C | 78 mm | 77% | 0.2 m/s | 4.9 |
| 2024 | 24.1°C | 18.3°C | 12.5°C | 31.5°C | 6.6°C | 65 mm | 76% | 0.2 m/s | 4.3 |
| 2023 | 21.2°C | 16.2°C | 11.2°C | 26.1°C | 5.7°C | 129 mm | 82% | 0.2 m/s | 4 |
| 2022 | 23.0°C | 17.3°C | 11.7°C | 27.2°C | 7.0°C | 92 mm | 79% | 0.2 m/s | 4.8 |
| 2021 🔥 | 25.2°C | 19.8°C | 14.3°C | 30.6°C | 7.7°C | 42 mm | 78% | 0.2 m/s | 4.7 |
| 2020 | 21.2°C | 16.4°C | 11.5°C | 29.0°C | 6.0°C | 133 mm | 82% | 0.2 m/s | 4.8 |
| 2019 | 21.9°C | 16.7°C | 11.6°C | 26.2°C | 6.5°C | 83 mm | 83% | 0.2 m/s | 4.5 |
| 2018 | 23.6°C | 18.3°C | 13.0°C | 28.6°C | 5.4°C | 119 mm | 82% | 0.2 m/s | 4.5 |
| 2017 | 20.0°C | 15.2°C | 10.4°C | 25.4°C | 6.0°C | 131 mm | 84% | 0.2 m/s | 4.2 |
| 2016 | 22.5°C | 17.6°C | 12.8°C | 28.5°C | 7.4°C | 61 mm | 83% | 0.2 m/s | 4.7 |
| 2015 | 22.2°C | 17.5°C | 12.7°C | 28.1°C | 9.2°C | 124 mm | 86% | 0.2 m/s | 4.3 |
| 2014 | 22.2°C | 17.2°C | 12.2°C | 28.3°C | 7.4°C | 121 mm | 83% | 0.3 m/s | 4.5 |
| 2013 | 21.0°C | 16.2°C | 11.3°C | 28.3°C | 6.0°C | 92 mm | 83% | 0.2 m/s | 4.5 |
| 2012 | 22.2°C | 17.2°C | 12.2°C | 28.8°C | 7.1°C | 109 mm | 83% | 0.2 m/s | 3.9 |
| 2011 🌧️ | 21.7°C | 16.9°C | 12.2°C | 26.3°C | 8.0°C | 193 mm | 83% | 0.2 m/s | 4.6 |
| 2010 | 22.5°C | 17.3°C | 12.0°C | 28.7°C | 6.2°C | 88 mm | 80% | 0.2 m/s | 4.7 |
| 2009 | 21.4°C | 16.5°C | 11.5°C | 28.1°C | 4.1°C | 124 mm | 83% | 0.2 m/s | 4.3 |
| 2008 | 21.3°C | 16.5°C | 11.7°C | 27.0°C | 7.0°C | 75 mm | 84% | 0.2 m/s | 4.4 |
| 2007 | 20.5°C | 15.2°C | 9.9°C | 29.9°C | 4.8°C | 126 mm | 82% | 0.2 m/s | 4.4 |
| 2006 | 19.8°C | 14.9°C | 10.1°C | 28.2°C | 5.6°C | 55 mm | 80% | 0.2 m/s | 4.6 |
| 2005 | 22.3°C | 16.9°C | 11.5°C | 27.0°C | 6.2°C | 137 mm | 81% | 0.2 m/s | 4.7 |
| 2004 | 20.3°C | 15.4°C | 10.5°C | 27.0°C | 5.6°C | 64 mm | 84% | 0.2 m/s | 4.1 |
| 2003 | 21.7°C | 16.9°C | 12.1°C | 27.6°C | 5.0°C | 114 mm | 83% | 0.2 m/s | 4.2 |
| 2002 | 22.6°C | 17.3°C | 11.9°C | 29.4°C | 5.6°C | 80 mm | 82% | 0.2 m/s | 5.2 |
| 2001 | 22.3°C | 17.2°C | 12.1°C | 28.4°C | 6.3°C | 69 mm | 83% | 0.2 m/s | 4.6 |
| 2000 | 21.2°C | 16.1°C | 11.0°C | 26.5°C | 6.1°C | 96 mm | 83% | 0.3 m/s | 4.3 |
| 1999 | 21.0°C | 15.7°C | 10.3°C | 28.4°C | 7.0°C | 82 mm | 81% | 0.2 m/s | 4.8 |
| 1998 | 21.4°C | 16.2°C | 11.0°C | 28.4°C | 6.9°C | 110 mm | 81% | 0.3 m/s | 5.1 |
| 1997 | 19.7°C | 14.8°C | 9.9°C | 27.8°C | 5.8°C | 107 mm | 85% | 0.2 m/s | 4.3 |
| 1996 | 21.6°C | 15.9°C | 10.2°C | 29.1°C | 5.1°C | 54 mm | 79% | 0.2 m/s | 5.3 |
| 1995 | 22.2°C | 16.4°C | 10.6°C | 28.3°C | 5.4°C | 51 mm | 79% | 0.2 m/s | 4.8 |
| 1994 | 19.1°C | 13.7°C | 8.3°C | 24.8°C | 3.3°C | 81 mm | 83% | 0.3 m/s | 4.6 |
| 1993 | 22.4°C | 17.2°C | 12.0°C | 28.2°C | 5.6°C | 122 mm | 84% | 0.2 m/s | 4.6 |
| 1992 | 20.2°C | 15.0°C | 9.9°C | 26.3°C | 3.8°C | 110 mm | 84% | 0.3 m/s | 4.5 |
| 1991 | 22.1°C | 16.7°C | 11.3°C | 27.8°C | 4.8°C | 133 mm | 82% | 0.2 m/s | 4.6 |
| 1990 | 22.4°C | 16.8°C | 11.3°C | 27.3°C | 4.5°C | 84 mm | 82% | 0.2 m/s | 4.9 |
| 1989 | 21.0°C | 15.8°C | 10.6°C | 26.8°C | 2.7°C | 135 mm | 84% | 0.2 m/s | 4.4 |
| 1988 | 20.3°C | 15.5°C | 10.7°C | 27.9°C | 4.9°C | 170 mm | 85% | 0.2 m/s | 3.7 |
| 1987 | 20.0°C | 14.6°C | 9.1°C | 28.9°C | 3.8°C | 83 mm | 81% | 0.3 m/s | 4.5 |
| 1986 | 19.6°C | 14.3°C | 8.9°C | 26.3°C | 0.3°C | 121 mm | 83% | 0.3 m/s | 4.8 |
| 1985 | 20.4°C | 15.0°C | 9.6°C | 27.3°C | 4.4°C | 69 mm | 82% | 0.2 m/s | 4.8 |
| 1984 | 22.2°C | 16.9°C | 11.6°C | 27.3°C | 5.7°C | 64 mm | 83% | 0.2 m/s | 5 |
| 1983 | 21.5°C | 16.2°C | 10.9°C | 26.2°C | 6.0°C | 61 mm | 81% | 0.3 m/s | — |
| 1982 ❄️ | 17.6°C | 12.5°C | 7.5°C | 25.8°C | 2.5°C | 95 mm | 81% | 0.3 m/s | — |
| 1981 | 21.1°C | 15.7°C | 10.4°C | 26.3°C | 5.1°C | 52 mm | 83% | 0.2 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 21.5°C with lows near 11.1°C (mean 16.3°C), based on 45 years of NASA POWER data.
August averages 97 mm of rainfall in Dolbeau, a relatively wet time of year. The wettest on record was 193 mm in 2011.
The hottest August reached 32.3°C in 2025. The coldest dipped to 0.3°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.4°C. Daytime highs moved from 20.6°C to 23.2°C and overnight lows from 10°C to 12.2°C over the same span.
August is one of the warmer months of the year in Dolbeau and a relatively wet time of year, so plan for around 21.5°C daytime highs and 11.1°C at night.
Not quite — August is the 11th coolest month in Dolbeau, averaging 16.3°C.
For August in Dolbeau, pack light layers you can adjust through the day, with typical highs of 21.5°C and lows of 11.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 82% — quite humid.
Average wind speed in August is 0.2 m/s. The windiest August on record averaged 0.3 m/s (1982).
The wettest August on record was 2011 with 193 mm. On average, August sees 97 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 Dolbeau 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.
