October is close to Courtenay's year-round average, with average highs near 12°C and lows around 4.7°C (mean 8.4°C). It is a relatively wet time of year, averaging 124 mm of rainfall and 88% relative humidity across the period.
October is close to Courtenay's year-round average. Across 45 years of records, the warmest October in Courtenay was 2022 — when the month averaged 11.6°C — while the coldest were 1984 and 1990 at 6.2°C. Typical October days reach 12°C with nights near 4.7°C. The long-term trend is warming, about 0.2°C per decade.
October is a relatively wet time of year in Courtenay, averaging 124 mm of rainfall. The wettest October on record was 1997 with 259 mm, while the driest was 2002 at 21 mm.
Relative humidity in Courtenay during October averages 88%. The most humid October was 2016 at 94%, and the least humid was 1987 at 80%.
October receives about 2.1 kWh/m²/day of solar energy in Courtenay. The sunniest October was 2022 at 2.7 kWh/m²/day, and the cloudiest were 2005, 2014 and 2016 at 1.5.
Average wind speed in Courtenay during October is 0.6 m/s. The windiest Octobers were 1984, 1996 and 1997, among others at 0.7 m/s, while the calmest were 1986 and 1988 at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.3°C | 7.9°C | 8.1°C | 8.6°C | 8.9°C | +0.6°C |
| Avg High | 12.1°C | 11.5°C | 11.8°C | 12.1°C | 12.7°C | +0.6°C |
| Avg Low | 4.5°C | 4.3°C | 4.4°C | 5.1°C | 5.1°C | +0.6°C |
| Avg Rain | 142 mm | 136 mm | 123 mm | 114 mm | 96 mm | -46 mm |
October temperatures in Courtenay have risen by about 1.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -7.4°C (1984) to a record high of 23.9°C (2022).
Rainfall in October is a relatively wet time of year, averaging 124 mm, with a wettest year of 259 mm.
A good time to visit Courtenay
October is a good time to visit Courtenay, with days averaging 12°C and nights around 4.7°C (mean 8.4°C, close to Courtenay's yearly average) and higher rainfall. August and July 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 | 11.8°C | 8.5°C | 5.1°C | 17.9°C | 1.3°C | 121 mm | 88% | 0.6 m/s | 2 |
| 2024 | 11.6°C | 8.2°C | 4.8°C | 17.9°C | 1.1°C | 109 mm | 90% | 0.6 m/s | 1.8 |
| 2023 | 13.4°C | 9.4°C | 5.3°C | 22.7°C | -0.5°C | 105 mm | 85% | 0.6 m/s | 2.3 |
| 2022 🔥 | 16.5°C | 11.6°C | 6.8°C | 23.9°C | 0.9°C | 38 mm | 84% | 0.6 m/s | 2.7 |
| 2021 | 10.1°C | 7.0°C | 3.8°C | 13.1°C | -1.0°C | 123 mm | 90% | 0.6 m/s | 1.7 |
| 2020 | 12.8°C | 8.9°C | 5.1°C | 22.1°C | -3.3°C | 78 mm | 87% | 0.6 m/s | 2 |
| 2019 | 10.4°C | 7.0°C | 3.6°C | 13.9°C | -1.7°C | 107 mm | 86% | 0.6 m/s | 2.2 |
| 2018 | 12.6°C | 8.8°C | 5.1°C | 19.1°C | 1.8°C | 76 mm | 88% | 0.6 m/s | 2.4 |
| 2017 | 12.6°C | 8.4°C | 4.1°C | 17.5°C | -0.3°C | 76 mm | 86% | 0.6 m/s | 2.4 |
| 2016 | 10.5°C | 8.0°C | 5.4°C | 14.5°C | 2.1°C | 211 mm | 94% | 0.6 m/s | 1.5 |
| 2015 | 14.5°C | 10.6°C | 6.7°C | 20.6°C | 3.2°C | 71 mm | 87% | 0.6 m/s | 2.1 |
| 2014 | 13.5°C | 10.4°C | 7.3°C | 21.7°C | 2.9°C | 211 mm | 93% | 0.6 m/s | 1.5 |
| 2013 | 12.5°C | 8.5°C | 4.6°C | 16.4°C | 1.8°C | 23 mm | 88% | 0.6 m/s | 2.3 |
| 2012 | 11.5°C | 8.2°C | 5.0°C | 19.4°C | 1.0°C | 140 mm | 88% | 0.6 m/s | 2 |
| 2011 | 11.0°C | 7.4°C | 3.7°C | 14.4°C | 0.0°C | 80 mm | 91% | 0.6 m/s | 2.1 |
| 2010 | 12.2°C | 9.1°C | 5.9°C | 19.7°C | 2.1°C | 142 mm | 90% | 0.6 m/s | 2 |
| 2009 | 11.6°C | 7.7°C | 3.9°C | 17.2°C | 1.3°C | 133 mm | 85% | 0.6 m/s | 2.1 |
| 2008 | 10.9°C | 7.2°C | 3.5°C | 20.3°C | -0.1°C | 107 mm | 89% | 0.6 m/s | 1.9 |
| 2007 | 10.4°C | 7.0°C | 3.7°C | 16.6°C | 0.0°C | 132 mm | 92% | 0.6 m/s | 1.8 |
| 2006 | 12.7°C | 8.4°C | 4.1°C | 19.0°C | -1.9°C | 40 mm | 84% | 0.6 m/s | 2.5 |
| 2005 | 11.4°C | 8.3°C | 5.2°C | 20.3°C | 1.9°C | 182 mm | 94% | 0.6 m/s | 1.5 |
| 2004 | 12.6°C | 8.9°C | 5.1°C | 20.0°C | -0.9°C | 123 mm | 90% | 0.6 m/s | 2 |
| 2003 | 12.9°C | 9.5°C | 6.1°C | 22.9°C | -3.7°C | 233 mm | 88% | 0.6 m/s | 1.9 |
| 2002 | 13.4°C | 8.8°C | 4.3°C | 20.4°C | -0.4°C | 21 mm | 83% | 0.6 m/s | 2.5 |
| 2001 | 10.5°C | 7.0°C | 3.4°C | 17.5°C | 0.0°C | 81 mm | 89% | 0.6 m/s | 2.1 |
| 2000 | 11.7°C | 8.2°C | 4.7°C | 16.2°C | 1.0°C | 181 mm | 89% | 0.6 m/s | 2.1 |
| 1999 | 11.4°C | 7.4°C | 3.3°C | 16.4°C | 0.5°C | 112 mm | 88% | 0.6 m/s | 2.3 |
| 1998 | 11.8°C | 8.8°C | 5.7°C | 18.2°C | 1.5°C | 159 mm | 93% | 0.6 m/s | 1.8 |
| 1997 🌧️ | 11.4°C | 8.0°C | 4.6°C | 16.4°C | 0.2°C | 259 mm | 92% | 0.7 m/s | 1.9 |
| 1996 | 10.6°C | 7.1°C | 3.5°C | 18.9°C | -1.5°C | 187 mm | 90% | 0.7 m/s | 2 |
| 1995 | 10.9°C | 7.7°C | 4.4°C | 14.6°C | -1.8°C | 102 mm | 91% | 0.6 m/s | 2.1 |
| 1994 | 11.7°C | 8.0°C | 4.3°C | 18.7°C | 1.0°C | 95 mm | 86% | 0.6 m/s | 2.4 |
| 1993 | 14.3°C | 10.2°C | 6.2°C | 21.4°C | 0.5°C | 56 mm | 87% | 0.6 m/s | 2.5 |
| 1992 | 11.7°C | 8.3°C | 4.8°C | 21.8°C | -0.7°C | 173 mm | 90% | 0.6 m/s | 2.1 |
| 1991 | 11.6°C | 7.4°C | 3.2°C | 20.1°C | -4.6°C | 30 mm | 82% | 0.6 m/s | 2.6 |
| 1990 | 9.6°C | 6.2°C | 2.9°C | 13.7°C | -0.6°C | 184 mm | 91% | 0.6 m/s | 1.9 |
| 1989 | 11.6°C | 8.1°C | 4.6°C | 17.1°C | -0.4°C | 143 mm | 90% | 0.6 m/s | 2.1 |
| 1988 | 13.6°C | 9.6°C | 5.6°C | 20.9°C | 0.1°C | 111 mm | 89% | 0.5 m/s | 2 |
| 1987 | 14.7°C | 9.9°C | 5.1°C | 23.0°C | 0.8°C | 25 mm | 80% | 0.6 m/s | 2.6 |
| 1986 | 14.6°C | 10.5°C | 6.4°C | 19.3°C | 3.2°C | 65 mm | 86% | 0.5 m/s | 2.5 |
| 1985 | 10.1°C | 7.0°C | 3.9°C | 17.8°C | -1.6°C | 184 mm | 89% | 0.6 m/s | 2 |
| 1984 ❄️ | 9.5°C | 6.2°C | 2.9°C | 17.2°C | -7.4°C | 203 mm | 87% | 0.7 m/s | 2.1 |
| 1983 | 11.0°C | 7.3°C | 3.5°C | 14.0°C | 0.7°C | 115 mm | 87% | 0.6 m/s | — |
| 1982 | 11.7°C | 8.0°C | 4.3°C | 19.0°C | -0.4°C | 228 mm | 89% | 0.7 m/s | — |
| 1981 | 12.1°C | 8.1°C | 4.0°C | 16.7°C | -0.6°C | 202 mm | 87% | 0.6 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 12°C with lows near 4.7°C (mean 8.4°C), based on 45 years of NASA POWER data.
October averages 124 mm of rainfall in Courtenay, a relatively wet time of year. The wettest on record was 259 mm in 1997.
The hottest October reached 23.9°C in 2022. The coldest dipped to -7.4°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.6°C. Daytime highs moved from 10.9°C to 12.7°C and overnight lows from 3.7°C to 5.2°C over the same span.
October is close to Courtenay's year-round average and a relatively wet time of year, so plan for around 12°C daytime highs and 4.7°C at night.
Not quite — October is the 7th coolest month in Courtenay, averaging 8.4°C.
For October in Courtenay, pack warm layers and a jacket for chilly mornings, with typical highs of 12°C and lows of 4.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 88% — quite humid.
Average wind speed in October is 0.6 m/s. The windiest October on record averaged 0.7 m/s (1982).
The wettest October on record was 1997 with 259 mm. On average, October sees 124 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 Courtenay 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.
