October is one of the warmer months of the year in Rimouski, with average highs near 8.8°C and lows around 3.3°C (mean 6.1°C). It is a relatively wet time of year, averaging 91 mm of rainfall and 83% relative humidity across the period.
October is one of the warmer months of the year in Rimouski. Across 45 years of records, the warmest October in Rimouski was 2023 — when the month averaged 9.8°C — while the coldest were 1993 and 2018 at 3.2°C. Typical October days reach 8.8°C with nights near 3.3°C. The long-term trend is warming, about 0.6°C per decade.
October is a relatively wet time of year in Rimouski, averaging 91 mm of rainfall. The wettest October on record was 1991 with 175 mm, while the driest was 1997 at 21 mm.
Relative humidity in Rimouski during October averages 83%. The most humid October was 2005 at 88%, and the least humid were 1997 and 2002 at 78%.
October receives about 2.1 kWh/m²/day of solar energy in Rimouski. The sunniest October was 2022 at 2.5 kWh/m²/day, and the cloudiest were 1991 and 1992 at 1.7.
Average wind speed in Rimouski during October is 2.4 m/s. The windiest October was 1999 at 3 m/s, while the calmest was 2021 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 5.1°C | 5.5°C | 6.2°C | 6.4°C | 8.1°C | +3°C |
| Avg High | 8.0°C | 8.2°C | 8.8°C | 9.0°C | 11.1°C | +3.1°C |
| Avg Low | 2.2°C | 2.7°C | 3.6°C | 3.7°C | 5.1°C | +2.9°C |
| Avg Rain | 74 mm | 89 mm | 106 mm | 103 mm | 77 mm | +3 mm |
October temperatures in Rimouski have risen by about 3.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -4.7°C (2020) to a record high of 21.1°C (2023).
Rainfall in October is a relatively wet time of year, averaging 91 mm, with a wettest year of 175 mm.
A good time to visit Rimouski
October is a good time to visit Rimouski, with days averaging 8.8°C and nights around 3.3°C (mean 6.1°C, warmer than Rimouski's yearly average) and higher rainfall. July and August are marginally more temperate, but October still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 11.2°C | 8.0°C | 4.8°C | 21.1°C | 1.4°C | 55 mm | 82% | 1.9 m/s | 2.4 |
| 2024 | 11.1°C | 7.9°C | 4.7°C | 16.7°C | -0.7°C | 93 mm | 79% | 2.6 m/s | 2.2 |
| 2023 🔥 | 12.6°C | 9.8°C | 7.0°C | 21.1°C | -1.4°C | 59 mm | 83% | 2.2 m/s | 2 |
| 2022 | 12.3°C | 8.9°C | 5.5°C | 18.8°C | 0.6°C | 65 mm | 80% | 2.1 m/s | 2.5 |
| 2021 | 12.1°C | 9.3°C | 6.5°C | 19.4°C | 2.5°C | 74 mm | 85% | 1.8 m/s | 2.2 |
| 2020 | 7.5°C | 4.8°C | 2.1°C | 13.5°C | -4.7°C | 118 mm | 83% | 2.4 m/s | 1.9 |
| 2019 | 8.6°C | 6.1°C | 3.5°C | 13.3°C | 0.9°C | 107 mm | 87% | 2 m/s | 2.2 |
| 2018 | 5.5°C | 3.2°C | 0.9°C | 14.3°C | -3.7°C | 88 mm | 81% | 2.8 m/s | 1.9 |
| 2017 | 11.6°C | 8.5°C | 5.5°C | 16.3°C | 0.4°C | 155 mm | 85% | 2.3 m/s | 2.3 |
| 2016 | 9.5°C | 6.8°C | 4.2°C | 18.3°C | -1.6°C | 112 mm | 83% | 2.4 m/s | 2.2 |
| 2015 | 7.8°C | 5.0°C | 2.1°C | 14.2°C | -2.0°C | 72 mm | 80% | 2.6 m/s | 2.3 |
| 2014 | 9.6°C | 6.9°C | 4.1°C | 15.5°C | 0.3°C | 144 mm | 87% | 2.3 m/s | 2.2 |
| 2013 | 9.9°C | 7.2°C | 4.4°C | 18.1°C | -1.6°C | 48 mm | 82% | 2.3 m/s | 2.3 |
| 2012 | 9.5°C | 7.0°C | 4.5°C | 16.0°C | -0.5°C | 140 mm | 84% | 2.2 m/s | 2.1 |
| 2011 | 9.5°C | 7.0°C | 4.4°C | 18.9°C | -1.0°C | 42 mm | 84% | 2.2 m/s | 2.2 |
| 2010 | 8.5°C | 6.1°C | 3.7°C | 16.3°C | -1.2°C | 121 mm | 84% | 2.7 m/s | 2 |
| 2009 | 6.5°C | 4.4°C | 2.2°C | 11.8°C | -1.8°C | 103 mm | 82% | 2.2 m/s | 1.8 |
| 2008 | 8.9°C | 6.1°C | 3.3°C | 13.9°C | -2.4°C | 88 mm | 85% | 2.3 m/s | 2.1 |
| 2007 | 10.7°C | 7.9°C | 5.0°C | 17.1°C | -0.7°C | 101 mm | 85% | 2.2 m/s | 2.4 |
| 2006 | 8.3°C | 5.8°C | 3.3°C | 13.5°C | -0.9°C | 162 mm | 85% | 2.3 m/s | 2.1 |
| 2005 | 10.0°C | 7.4°C | 4.9°C | 19.2°C | 0.1°C | 120 mm | 88% | 2.5 m/s | 1.9 |
| 2004 | 9.2°C | 6.6°C | 4.0°C | 16.0°C | -0.5°C | 98 mm | 87% | 1.9 m/s | 2.3 |
| 2003 | 8.7°C | 6.2°C | 3.6°C | 17.9°C | -0.5°C | 139 mm | 83% | 2.6 m/s | 2.2 |
| 2002 | 7.3°C | 4.7°C | 2.1°C | 17.1°C | -2.4°C | 60 mm | 78% | 2.7 m/s | 2.1 |
| 2001 | 9.6°C | 6.8°C | 4.1°C | 15.8°C | -1.0°C | 109 mm | 85% | 2.4 m/s | 2 |
| 2000 | 8.3°C | 5.7°C | 3.0°C | 16.5°C | -1.0°C | 81 mm | 84% | 2.7 m/s | 2.1 |
| 1999 | 7.4°C | 4.9°C | 2.3°C | 14.3°C | -1.2°C | 83 mm | 78% | 3 m/s | 1.9 |
| 1998 | 8.4°C | 6.1°C | 3.8°C | 12.8°C | -0.8°C | 88 mm | 82% | 2.7 m/s | 2 |
| 1997 | 8.5°C | 5.6°C | 2.8°C | 15.4°C | -1.6°C | 21 mm | 78% | 2.4 m/s | 2.1 |
| 1996 | 7.8°C | 5.0°C | 2.1°C | 16.5°C | -2.5°C | 53 mm | 81% | 2.6 m/s | 2.1 |
| 1995 | 10.6°C | 7.6°C | 4.5°C | 17.4°C | -2.3°C | 76 mm | 82% | 2.2 m/s | 1.8 |
| 1994 | 10.2°C | 7.2°C | 4.3°C | 16.9°C | 0.2°C | 23 mm | 83% | 2.2 m/s | 2.4 |
| 1993 ❄️ | 5.9°C | 3.2°C | 0.6°C | 10.5°C | -3.7°C | 127 mm | 82% | 2.7 m/s | 1.8 |
| 1992 | 6.9°C | 4.3°C | 1.8°C | 14.0°C | -3.4°C | 109 mm | 84% | 2.5 m/s | 1.7 |
| 1991 🌧️ | 8.1°C | 5.3°C | 2.5°C | 13.9°C | -4.6°C | 175 mm | 88% | 2.4 m/s | 1.7 |
| 1990 | 8.1°C | 5.3°C | 2.5°C | 15.0°C | -3.8°C | 132 mm | 83% | 2.5 m/s | 1.9 |
| 1989 | 8.2°C | 5.2°C | 2.2°C | 15.2°C | -2.9°C | 76 mm | 84% | 2.2 m/s | 2.2 |
| 1988 | 6.8°C | 4.1°C | 1.4°C | 15.7°C | -2.6°C | 103 mm | 83% | 2.5 m/s | 2.2 |
| 1987 | 8.5°C | 5.5°C | 2.4°C | 16.3°C | -1.2°C | 105 mm | 81% | 2.3 m/s | 2.3 |
| 1986 | 6.8°C | 3.9°C | 1.0°C | 13.0°C | -3.6°C | 67 mm | 82% | 2.4 m/s | 2.1 |
| 1985 | 8.6°C | 5.7°C | 2.8°C | 15.3°C | -3.5°C | 68 mm | 79% | 2.7 m/s | 2.3 |
| 1984 | 8.4°C | 5.3°C | 2.2°C | 13.7°C | -2.9°C | 40 mm | 82% | 1.9 m/s | 2.3 |
| 1983 | 8.2°C | 5.6°C | 2.9°C | 18.9°C | -1.5°C | 50 mm | 82% | 2.5 m/s | — |
| 1982 | 9.1°C | 6.0°C | 3.0°C | 13.5°C | -2.4°C | 37 mm | 83% | 2.1 m/s | — |
| 1981 | 7.0°C | 4.5°C | 2.0°C | 11.2°C | -2.6°C | 119 mm | 83% | 2.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 8.8°C with lows near 3.3°C (mean 6.1°C), based on 45 years of NASA POWER data.
October averages 91 mm of rainfall in Rimouski, a relatively wet time of year. The wettest on record was 175 mm in 1991.
The hottest October reached 21.1°C in 2023. The coldest dipped to -4.7°C in 2020.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 3.4°C. Daytime highs moved from 8.3°C to 11.9°C and overnight lows from 2.6°C to 5.7°C over the same span.
October is one of the warmer months of the year in Rimouski and a relatively wet time of year, so plan for around 8.8°C daytime highs and 3.3°C at night.
Not quite — October is the 7th coolest month in Rimouski, averaging 6.1°C.
For October in Rimouski, pack warm layers and a jacket for chilly mornings, with typical highs of 8.8°C and lows of 3.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 83% — quite humid.
Average wind speed in October is 2.4 m/s. The windiest October on record averaged 3 m/s (1999).
The wettest October on record was 1991 with 175 mm. On average, October sees 91 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 Rimouski behaves each October, 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 October specifically, along with year-by-year records and how the month has changed over the decades.
