August is one of the warmer months of the year in Saguenay, with average highs near 21.7°C and lows around 12.1°C (mean 16.9°C). It is a relatively wet time of year, averaging 96 mm of rainfall and 80% relative humidity across the period.
August is one of the warmer months of the year in Saguenay. Across 45 years of records, the warmest August in Saguenay was 2021 — when the month averaged 20.3°C — while the coldest was 1982 at 13.3°C. Typical August days reach 21.7°C with nights near 12.1°C. The long-term trend is warming, about 0.6°C per decade.
August is a relatively wet time of year in Saguenay, averaging 96 mm of rainfall. The wettest August on record was 2011 with 244 mm, while the driest was 2002 at 52 mm.
Relative humidity in Saguenay during August averages 80%. The most humid August was 2015 at 85%, and the least humid was 2025 at 76%.
August receives about 4.6 kWh/m²/day of solar energy in Saguenay. The sunniest August was 1996 at 5.2 kWh/m²/day, and the cloudiest was 1988 at 3.6.
Average wind speed in Saguenay during August is 1.5 m/s. The windiest Augusts were 2006 and 2017 at 1.7 m/s, while the calmest were 1985, 1990 and 2022, among others at 1.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.8°C | 16.5°C | 16.9°C | 17.7°C | 18.0°C | +2.2°C |
| Avg High | 20.8°C | 21.5°C | 21.6°C | 22.2°C | 22.8°C | +2°C |
| Avg Low | 10.9°C | 11.5°C | 12.1°C | 13.1°C | 13.2°C | +2.3°C |
| Avg Rain | 90 mm | 86 mm | 97 mm | 113 mm | 93 mm | +3 mm |
August temperatures in Saguenay have risen by about 2.3°C between 1981–1985 and 2021–2025.
August has ranged from a record low of 1.9°C (1986) to a record high of 31.3°C (2025).
Rainfall in August is a relatively wet time of year, averaging 96 mm, with a wettest year of 244 mm.
One of the best times to visit Saguenay
August is one of the best times to visit Saguenay. Expect days averaging 21.7°C and nights around 12.1°C (mean 16.9°C) — warmer than Saguenay's yearly average — with higher rainfall (96 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 | 22.6°C | 17.5°C | 12.3°C | 31.3°C | 6.1°C | 75 mm | 76% | 1.4 m/s | 4.9 |
| 2024 | 23.4°C | 18.5°C | 13.6°C | 29.4°C | 7.2°C | 81 mm | 76% | 1.4 m/s | 4.3 |
| 2023 | 21.0°C | 16.6°C | 12.1°C | 26.6°C | 7.0°C | 130 mm | 82% | 1.4 m/s | 4.2 |
| 2022 | 23.1°C | 18.0°C | 13.0°C | 28.7°C | 8.9°C | 89 mm | 78% | 1.3 m/s | 4.9 |
| 2021 🔥 | 25.3°C | 20.3°C | 15.4°C | 30.6°C | 9.6°C | 53 mm | 77% | 1.5 m/s | 4.7 |
| 2020 | 21.4°C | 17.0°C | 12.5°C | 27.7°C | 5.6°C | 132 mm | 81% | 1.6 m/s | 4.9 |
| 2019 | 22.0°C | 17.3°C | 12.5°C | 25.5°C | 8.7°C | 93 mm | 80% | 1.5 m/s | 4.6 |
| 2018 | 23.7°C | 19.0°C | 14.2°C | 27.9°C | 7.6°C | 96 mm | 81% | 1.4 m/s | 4.6 |
| 2017 | 20.3°C | 15.9°C | 11.4°C | 26.8°C | 7.6°C | 115 mm | 82% | 1.7 m/s | 4.2 |
| 2016 | 22.8°C | 18.3°C | 13.9°C | 28.5°C | 7.9°C | 53 mm | 80% | 1.5 m/s | 4.7 |
| 2015 | 22.3°C | 18.0°C | 13.8°C | 28.7°C | 9.6°C | 132 mm | 85% | 1.4 m/s | 4.3 |
| 2014 | 22.7°C | 17.9°C | 13.0°C | 27.5°C | 8.7°C | 107 mm | 80% | 1.4 m/s | 4.8 |
| 2013 | 20.9°C | 16.6°C | 12.2°C | 28.1°C | 7.6°C | 101 mm | 83% | 1.6 m/s | 4.2 |
| 2012 | 22.7°C | 18.1°C | 13.6°C | 29.4°C | 8.7°C | 118 mm | 81% | 1.6 m/s | 4.1 |
| 2011 🌧️ | 21.5°C | 17.2°C | 13.0°C | 26.7°C | 8.6°C | 244 mm | 84% | 1.5 m/s | 4.1 |
| 2010 | 23.4°C | 18.3°C | 13.2°C | 28.8°C | 8.3°C | 73 mm | 76% | 1.5 m/s | 4.8 |
| 2009 | 21.9°C | 17.4°C | 12.8°C | 28.5°C | 6.0°C | 105 mm | 81% | 1.6 m/s | 4.3 |
| 2008 | 21.3°C | 16.8°C | 12.3°C | 26.2°C | 7.8°C | 75 mm | 83% | 1.4 m/s | 4.4 |
| 2007 | 20.8°C | 15.9°C | 10.9°C | 28.6°C | 6.1°C | 132 mm | 79% | 1.5 m/s | 4.2 |
| 2006 | 20.1°C | 15.6°C | 11.1°C | 27.3°C | 5.7°C | 62 mm | 78% | 1.7 m/s | 4.6 |
| 2005 | 22.5°C | 17.7°C | 12.8°C | 28.2°C | 7.6°C | 125 mm | 77% | 1.6 m/s | 4.7 |
| 2004 | 21.1°C | 16.2°C | 11.4°C | 26.9°C | 6.4°C | 78 mm | 82% | 1.6 m/s | 4.2 |
| 2003 | 21.8°C | 17.2°C | 12.7°C | 27.8°C | 6.0°C | 134 mm | 81% | 1.6 m/s | 4.1 |
| 2002 | 22.9°C | 17.8°C | 12.8°C | 29.1°C | 5.9°C | 52 mm | 80% | 1.6 m/s | 5 |
| 2001 | 22.4°C | 17.6°C | 12.7°C | 28.0°C | 6.7°C | 67 mm | 80% | 1.6 m/s | 4.6 |
| 2000 | 21.2°C | 16.6°C | 11.9°C | 25.7°C | 6.3°C | 139 mm | 82% | 1.4 m/s | 4.4 |
| 1999 | 21.1°C | 16.3°C | 11.4°C | 28.0°C | 7.8°C | 72 mm | 78% | 1.4 m/s | 4.8 |
| 1998 | 22.0°C | 17.0°C | 12.0°C | 29.2°C | 7.9°C | 64 mm | 77% | 1.5 m/s | 5.1 |
| 1997 | 20.3°C | 15.5°C | 10.8°C | 28.1°C | 7.0°C | 80 mm | 80% | 1.4 m/s | 4.4 |
| 1996 | 21.7°C | 16.4°C | 11.2°C | 28.5°C | 5.9°C | 54 mm | 77% | 1.4 m/s | 5.2 |
| 1995 | 22.6°C | 17.0°C | 11.4°C | 27.2°C | 7.7°C | 58 mm | 77% | 1.5 m/s | 5 |
| 1994 | 19.7°C | 14.6°C | 9.6°C | 25.4°C | 4.5°C | 97 mm | 81% | 1.6 m/s | 4.8 |
| 1993 | 22.6°C | 17.8°C | 13.1°C | 28.0°C | 7.1°C | 119 mm | 81% | 1.4 m/s | 4.6 |
| 1992 | 20.3°C | 15.7°C | 11.0°C | 26.5°C | 7.1°C | 99 mm | 83% | 1.6 m/s | 4.5 |
| 1991 | 21.8°C | 16.9°C | 12.1°C | 27.6°C | 5.4°C | 136 mm | 81% | 1.5 m/s | 4.4 |
| 1990 | 22.4°C | 17.3°C | 12.2°C | 27.4°C | 4.9°C | 77 mm | 80% | 1.3 m/s | 4.9 |
| 1989 | 21.1°C | 16.4°C | 11.7°C | 26.4°C | 3.5°C | 127 mm | 82% | 1.5 m/s | 4.4 |
| 1988 | 20.8°C | 16.3°C | 11.9°C | 28.2°C | 5.1°C | 140 mm | 82% | 1.5 m/s | 3.6 |
| 1987 | 20.4°C | 15.1°C | 9.9°C | 29.4°C | 5.1°C | 81 mm | 78% | 1.6 m/s | 4.5 |
| 1986 | 20.4°C | 15.1°C | 9.8°C | 26.5°C | 1.9°C | 111 mm | 81% | 1.6 m/s | 4.6 |
| 1985 | 20.8°C | 15.5°C | 10.2°C | 27.0°C | 4.8°C | 64 mm | 79% | 1.3 m/s | 4.7 |
| 1984 | 22.5°C | 17.6°C | 12.6°C | 27.1°C | 5.2°C | 66 mm | 81% | 1.4 m/s | 5 |
| 1983 | 21.5°C | 16.6°C | 11.7°C | 26.8°C | 6.4°C | 56 mm | 80% | 1.5 m/s | — |
| 1982 ❄️ | 18.1°C | 13.3°C | 8.6°C | 25.9°C | 3.7°C | 93 mm | 79% | 1.6 m/s | — |
| 1981 | 21.2°C | 16.3°C | 11.4°C | 26.1°C | 5.8°C | 75 mm | 81% | 1.3 m/s | — |
Actual recorded August data for each year, 1981–2025 — sourced from NASA POWER.
The average high in August is around 21.7°C with lows near 12.1°C (mean 16.9°C), based on 45 years of NASA POWER data.
August averages 96 mm of rainfall in Saguenay, a relatively wet time of year. The wettest on record was 244 mm in 2011.
The hottest August reached 31.3°C in 2025. The coldest dipped to 1.9°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average August temperatures have risen by about 2.3°C. Daytime highs moved from 20.8°C to 23.1°C and overnight lows from 10.9°C to 13.3°C over the same span.
August is one of the warmer months of the year in Saguenay and a relatively wet time of year, so plan for around 21.7°C daytime highs and 12.1°C at night.
Not quite — August is the 11th coolest month in Saguenay, averaging 16.9°C.
For August in Saguenay, pack light layers you can adjust through the day, with typical highs of 21.7°C and lows of 12.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in August averages 80% — quite humid.
Average wind speed in August is 1.5 m/s. The windiest August on record averaged 1.7 m/s (2006).
The wettest August on record was 2011 with 244 mm. On average, August sees 96 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 Saguenay 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.
