October is one of the warmer months of the year in Quebec City, with average highs near 9.9°C and lows around 1.8°C (mean 5.9°C). It is a relatively wet time of year, averaging 107 mm of rainfall and 86% relative humidity across the period.
October is one of the warmer months of the year in Quebec City. Across 45 years of records, the warmest Octobers in Quebec City were 2017 and 2023 — when the month averaged 9.6°C — while the coldest was 1993 at 2.7°C. Typical October days reach 9.9°C with nights near 1.8°C. The long-term trend is warming, about 0.7°C per decade.
October is a relatively wet time of year in Quebec City, averaging 107 mm of rainfall. The wettest October on record was 2017 with 190 mm, while the driest was 1994 at 33 mm.
Relative humidity in Quebec City during October averages 86%. The most humid October was 2005 at 89%, and the least humid were 1994 and 1997 at 83%.
October receives about 2.3 kWh/m²/day of solar energy in Quebec City. The sunniest October was 2022 at 2.8 kWh/m²/day, and the cloudiest were 1991, 2009 and 2018, among others at 1.9.
Average wind speed in Quebec City during October is 1.2 m/s. The windiest Octobers were 1998 and 2018 at 1.4 m/s, while the calmest was 2025 at 1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.7°C | 5.1°C | 5.7°C | 6.4°C | 7.9°C | +3.2°C |
| Avg High | 8.9°C | 9.3°C | 9.6°C | 10.3°C | 12.2°C | +3.3°C |
| Avg Low | 0.5°C | 0.9°C | 1.9°C | 2.6°C | 3.5°C | +3°C |
| Avg Rain | 94 mm | 106 mm | 106 mm | 126 mm | 101 mm | +7 mm |
October temperatures in Quebec City have risen by about 3.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -8.2°C (2020) to a record high of 23.4°C (2023).
Rainfall in October is a relatively wet time of year, averaging 107 mm, with a wettest year of 190 mm.
A good time to visit Quebec City
October is a good time to visit Quebec City, with days averaging 9.9°C and nights around 1.8°C (mean 5.9°C, warmer than Quebec City'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 | 12.8°C | 8.1°C | 3.3°C | 23.1°C | -1.4°C | 99 mm | 84% | 1 m/s | 2.6 |
| 2024 | 11.9°C | 7.5°C | 3.1°C | 18.7°C | -4.5°C | 62 mm | 84% | 1.2 m/s | 2.5 |
| 2023 | 13.4°C | 9.6°C | 5.8°C | 23.4°C | -6.8°C | 114 mm | 89% | 1.1 m/s | 2 |
| 2022 | 12.7°C | 7.7°C | 2.8°C | 18.6°C | -3.1°C | 83 mm | 84% | 1.1 m/s | 2.8 |
| 2021 | 13.6°C | 9.4°C | 5.3°C | 20.1°C | -0.7°C | 86 mm | 86% | 1.1 m/s | 2.4 |
| 2020 | 8.7°C | 4.8°C | 0.9°C | 16.4°C | -8.2°C | 160 mm | 87% | 1.2 m/s | 2.1 |
| 2019 | 10.3°C | 6.6°C | 2.9°C | 15.7°C | -1.2°C | 134 mm | 88% | 1.1 m/s | 2.2 |
| 2018 | 6.9°C | 3.3°C | -0.3°C | 20.7°C | -5.9°C | 116 mm | 84% | 1.4 m/s | 1.9 |
| 2017 🔥 🌧️ | 14.1°C | 9.6°C | 5.2°C | 20.6°C | -1.9°C | 190 mm | 87% | 1.3 m/s | 2.5 |
| 2016 | 10.3°C | 6.4°C | 2.6°C | 20.3°C | -3.6°C | 162 mm | 87% | 1.2 m/s | 2.3 |
| 2015 | 7.9°C | 3.8°C | -0.2°C | 15.9°C | -4.4°C | 102 mm | 85% | 1.2 m/s | 2.4 |
| 2014 | 11.6°C | 7.8°C | 4.0°C | 18.0°C | -2.1°C | 141 mm | 88% | 1.2 m/s | 2.2 |
| 2013 | 10.8°C | 6.8°C | 2.9°C | 19.7°C | -5.8°C | 95 mm | 86% | 1.3 m/s | 2.4 |
| 2012 | 11.4°C | 7.7°C | 3.9°C | 17.6°C | -2.5°C | 140 mm | 87% | 1.2 m/s | 2.3 |
| 2011 | 10.5°C | 6.8°C | 3.2°C | 21.0°C | -3.6°C | 89 mm | 86% | 1.3 m/s | 2.3 |
| 2010 | 9.1°C | 5.3°C | 1.5°C | 17.3°C | -4.6°C | 92 mm | 84% | 1.3 m/s | 2.1 |
| 2009 | 6.7°C | 3.5°C | 0.3°C | 16.0°C | -7.8°C | 110 mm | 87% | 1.1 m/s | 1.9 |
| 2008 | 9.5°C | 5.7°C | 1.8°C | 15.6°C | -4.2°C | 97 mm | 86% | 1.3 m/s | 2.3 |
| 2007 | 12.5°C | 8.2°C | 4.0°C | 20.3°C | -3.8°C | 110 mm | 87% | 1.1 m/s | 2.4 |
| 2006 | 9.1°C | 5.3°C | 1.4°C | 16.2°C | -5.3°C | 175 mm | 87% | 1.2 m/s | 2.1 |
| 2005 | 11.1°C | 7.5°C | 4.0°C | 22.2°C | -3.6°C | 105 mm | 89% | 1.3 m/s | 2.1 |
| 2004 | 11.1°C | 6.7°C | 2.4°C | 17.8°C | -2.8°C | 83 mm | 86% | 1.1 m/s | 2.6 |
| 2003 | 8.9°C | 5.2°C | 1.6°C | 21.3°C | -3.8°C | 120 mm | 84% | 1.3 m/s | 2.1 |
| 2002 | 7.3°C | 3.4°C | -0.5°C | 21.0°C | -7.9°C | 73 mm | 83% | 1.2 m/s | 2.3 |
| 2001 | 10.7°C | 6.7°C | 2.7°C | 18.0°C | -4.3°C | 85 mm | 87% | 1.3 m/s | 2.2 |
| 2000 | 9.1°C | 5.2°C | 1.3°C | 18.0°C | -3.3°C | 103 mm | 87% | 1.3 m/s | 2.3 |
| 1999 | 7.9°C | 3.7°C | -0.5°C | 14.5°C | -5.0°C | 127 mm | 85% | 1.3 m/s | 2.2 |
| 1998 | 10.0°C | 6.0°C | 2.0°C | 16.4°C | -2.7°C | 99 mm | 85% | 1.4 m/s | 2.2 |
| 1997 | 9.1°C | 4.8°C | 0.4°C | 18.1°C | -6.0°C | 50 mm | 83% | 1.1 m/s | 2.5 |
| 1996 | 8.6°C | 4.4°C | 0.1°C | 14.5°C | -4.5°C | 101 mm | 85% | 1.3 m/s | 2.1 |
| 1995 | 11.8°C | 7.7°C | 3.7°C | 19.7°C | -5.2°C | 154 mm | 86% | 1.3 m/s | 2 |
| 1994 | 11.4°C | 6.7°C | 2.1°C | 19.2°C | -2.3°C | 33 mm | 83% | 1.1 m/s | 2.6 |
| 1993 ❄️ | 6.7°C | 2.7°C | -1.3°C | 13.4°C | -5.7°C | 129 mm | 84% | 1.3 m/s | 2.1 |
| 1992 | 7.7°C | 3.6°C | -0.5°C | 15.5°C | -6.5°C | 78 mm | 84% | 1.1 m/s | 2 |
| 1991 | 9.9°C | 5.5°C | 1.0°C | 16.8°C | -5.1°C | 151 mm | 88% | 1.2 m/s | 1.9 |
| 1990 | 9.7°C | 5.7°C | 1.7°C | 17.8°C | -4.7°C | 133 mm | 86% | 1.3 m/s | 1.9 |
| 1989 | 10.0°C | 5.7°C | 1.3°C | 18.3°C | -4.4°C | 102 mm | 87% | 1.2 m/s | 2.2 |
| 1988 | 6.8°C | 3.3°C | -0.3°C | 18.5°C | -5.9°C | 121 mm | 87% | 1.3 m/s | 2 |
| 1987 | 8.5°C | 4.1°C | -0.2°C | 17.4°C | -4.4°C | 122 mm | 86% | 1.2 m/s | 2.5 |
| 1986 | 7.9°C | 3.7°C | -0.6°C | 15.0°C | -5.2°C | 80 mm | 85% | 1.1 m/s | 2.4 |
| 1985 | 9.5°C | 5.2°C | 0.8°C | 15.4°C | -4.8°C | 93 mm | 84% | 1.3 m/s | 2.3 |
| 1984 | 10.6°C | 6.0°C | 1.5°C | 18.0°C | -4.0°C | 48 mm | 84% | 1.1 m/s | 2.5 |
| 1983 | 9.2°C | 5.2°C | 1.2°C | 20.0°C | -3.8°C | 103 mm | 84% | 1.2 m/s | — |
| 1982 | 10.0°C | 5.6°C | 1.2°C | 15.1°C | -4.4°C | 46 mm | 85% | 1.2 m/s | — |
| 1981 | 7.4°C | 3.4°C | -0.6°C | 12.1°C | -5.3°C | 127 mm | 86% | 1.1 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 9.9°C with lows near 1.8°C (mean 5.9°C), based on 45 years of NASA POWER data.
October averages 107 mm of rainfall in Quebec City, a relatively wet time of year. The wettest on record was 190 mm in 2017.
The hottest October reached 23.4°C in 2023. The coldest dipped to -8.2°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 9.3°C to 12.9°C and overnight lows from 0.8°C to 4.1°C over the same span.
October is one of the warmer months of the year in Quebec City and a relatively wet time of year, so plan for around 9.9°C daytime highs and 1.8°C at night.
Not quite — October is the 7th coolest month in Quebec City, averaging 5.9°C.
For October in Quebec City, pack warm layers and a jacket for chilly mornings, with typical highs of 9.9°C and lows of 1.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 86% — quite humid.
Average wind speed in October is 1.2 m/s. The windiest October on record averaged 1.4 m/s (1998).
The wettest October on record was 2017 with 190 mm. On average, October sees 107 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 Quebec City 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.
