October is one of the warmer months of the year in Chilliwack, with average highs near 11.3°C and lows around 3.3°C (mean 7.3°C). It is a relatively wet time of year, averaging 191 mm of rainfall and 85% relative humidity across the period.
October is one of the warmer months of the year in Chilliwack. Across 45 years of records, the warmest October in Chilliwack was 2022 — when the month averaged 12.3°C — while the coldest were 1984 and 1990 at 4.7°C. Typical October days reach 11.3°C with nights near 3.3°C. The long-term October temperature trend is broadly flat.
October is a relatively wet time of year in Chilliwack, averaging 191 mm of rainfall. The wettest October on record was 2003 with 407 mm, while the driest was 1987 at 26 mm.
Relative humidity in Chilliwack during October averages 85%. The most humid October was 1990 at 94%, and the least humid was 1987 at 65%.
October receives about 2.2 kWh/m²/day of solar energy in Chilliwack. The sunniest October was 2002 at 2.7 kWh/m²/day, and the cloudiest was 1992 at 1.8.
Average wind speed in Chilliwack during October is 0.3 m/s. The windiest October was 1987 at 0.5 m/s, while the calmest were 2021, 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 | 7.4°C | 6.8°C | 7.2°C | 7.7°C | 7.5°C | +0.1°C |
| Avg High | 11.8°C | 10.7°C | 11.2°C | 11.7°C | 11.3°C | -0.5°C |
| Avg Low | 3.1°C | 2.9°C | 3.3°C | 3.6°C | 3.8°C | +0.7°C |
| Avg Rain | 177 mm | 194 mm | 188 mm | 198 mm | 200 mm | +23 mm |
October temperatures in Chilliwack have risen by about 1.7°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -17.7°C (1984) to a record high of 29.6°C (1987).
Rainfall in October is a relatively wet time of year, averaging 191 mm, with a wettest year of 407 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.2°C per decade, narrowing the gap between day and night.
A good time to visit Chilliwack
October is a good time to visit Chilliwack, with days averaging 11.3°C and nights around 3.3°C (mean 7.3°C, close to Chilliwack'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 | 8.3°C | 5.0°C | 1.7°C | 16.3°C | -3.0°C | 228 mm | 93% | 0.2 m/s | 2 |
| 2024 | 9.1°C | 5.9°C | 2.8°C | 16.7°C | -1.3°C | 262 mm | 93% | 0.2 m/s | 2.1 |
| 2023 | 13.2°C | 8.7°C | 4.2°C | 25.5°C | -5.4°C | 101 mm | 83% | 0.3 m/s | 2.5 |
| 2022 🔥 | 17.3°C | 12.3°C | 7.3°C | 27.6°C | 1.6°C | 155 mm | 77% | 0.3 m/s | 2.6 |
| 2021 | 9.2°C | 6.0°C | 2.7°C | 15.4°C | -4.5°C | 229 mm | 91% | 0.2 m/s | 2.1 |
| 2020 | 10.4°C | 7.1°C | 3.9°C | 21.9°C | -10.8°C | 225 mm | 90% | 0.2 m/s | 1.9 |
| 2019 | 9.1°C | 5.3°C | 1.4°C | 13.6°C | -6.6°C | 183 mm | 84% | 0.3 m/s | 2.2 |
| 2018 | 13.0°C | 8.1°C | 3.2°C | 25.8°C | -2.7°C | 164 mm | 82% | 0.4 m/s | 2.5 |
| 2017 | 11.3°C | 7.0°C | 2.6°C | 19.9°C | -0.1°C | 239 mm | 84% | 0.3 m/s | 2.2 |
| 2016 | 10.2°C | 6.9°C | 3.6°C | 14.8°C | -2.5°C | 320 mm | 91% | 0.2 m/s | 1.9 |
| 2015 | 14.3°C | 10.1°C | 5.8°C | 24.2°C | 1.6°C | 162 mm | 85% | 0.3 m/s | 2.2 |
| 2014 | 13.0°C | 9.7°C | 6.4°C | 19.6°C | 2.1°C | 259 mm | 90% | 0.2 m/s | 2 |
| 2013 | 12.4°C | 7.4°C | 2.4°C | 19.1°C | -1.9°C | 70 mm | 80% | 0.4 m/s | 2.6 |
| 2012 | 11.2°C | 7.2°C | 3.3°C | 23.3°C | -4.0°C | 293 mm | 86% | 0.3 m/s | 2.2 |
| 2011 | 10.0°C | 6.7°C | 3.5°C | 17.1°C | -0.5°C | 162 mm | 89% | 0.3 m/s | 2.1 |
| 2010 | 12.5°C | 8.4°C | 4.2°C | 21.4°C | -1.1°C | 123 mm | 85% | 0.3 m/s | 2.4 |
| 2009 | 9.7°C | 5.9°C | 2.1°C | 14.4°C | -3.8°C | 260 mm | 83% | 0.2 m/s | 2.1 |
| 2008 | 10.9°C | 6.7°C | 2.4°C | 23.8°C | -3.3°C | 119 mm | 85% | 0.3 m/s | 2.3 |
| 2007 | 9.9°C | 6.2°C | 2.6°C | 20.3°C | -2.8°C | 212 mm | 89% | 0.3 m/s | 2 |
| 2006 | 12.4°C | 7.7°C | 3.1°C | 21.8°C | -6.5°C | 94 mm | 78% | 0.3 m/s | 2.5 |
| 2005 | 11.5°C | 7.9°C | 4.3°C | 16.3°C | -0.5°C | 209 mm | 90% | 0.3 m/s | 1.9 |
| 2004 | 11.6°C | 8.0°C | 4.4°C | 22.2°C | -1.4°C | 163 mm | 87% | 0.3 m/s | 2.2 |
| 2003 🌧️ | 12.9°C | 9.0°C | 5.1°C | 24.7°C | -6.1°C | 407 mm | 84% | 0.2 m/s | 2.1 |
| 2002 | 12.4°C | 7.6°C | 2.8°C | 22.5°C | -4.6°C | 38 mm | 79% | 0.4 m/s | 2.7 |
| 2001 | 9.0°C | 5.7°C | 2.4°C | 19.2°C | -3.9°C | 239 mm | 89% | 0.2 m/s | 2 |
| 2000 | 11.5°C | 7.4°C | 3.3°C | 20.2°C | -0.9°C | 139 mm | 86% | 0.3 m/s | 2.3 |
| 1999 | 11.3°C | 6.9°C | 2.5°C | 23.1°C | -2.8°C | 204 mm | 83% | 0.3 m/s | 2.4 |
| 1998 | 11.9°C | 7.7°C | 3.5°C | 22.6°C | -1.7°C | 143 mm | 86% | 0.3 m/s | 2 |
| 1997 | 9.6°C | 6.4°C | 3.2°C | 18.8°C | -1.5°C | 276 mm | 91% | 0.2 m/s | 2.2 |
| 1996 | 9.7°C | 5.8°C | 1.9°C | 24.1°C | -5.0°C | 249 mm | 88% | 0.3 m/s | 2.1 |
| 1995 | 8.9°C | 5.7°C | 2.5°C | 14.7°C | -4.8°C | 239 mm | 91% | 0.2 m/s | 2.2 |
| 1994 | 10.9°C | 6.8°C | 2.8°C | 18.2°C | -0.6°C | 186 mm | 85% | 0.3 m/s | 2.2 |
| 1993 | 14.2°C | 9.4°C | 4.7°C | 26.7°C | -1.0°C | 111 mm | 80% | 0.4 m/s | 2.3 |
| 1992 | 11.2°C | 7.3°C | 3.4°C | 20.8°C | -5.0°C | 117 mm | 87% | 0.3 m/s | 1.8 |
| 1991 | 12.0°C | 7.1°C | 2.2°C | 27.6°C | -8.2°C | 53 mm | 76% | 0.3 m/s | 2.4 |
| 1990 | 7.6°C | 4.7°C | 1.9°C | 12.6°C | -1.4°C | 356 mm | 94% | 0.2 m/s | 2 |
| 1989 | 11.0°C | 6.8°C | 2.7°C | 18.5°C | -4.1°C | 173 mm | 85% | 0.3 m/s | 2.3 |
| 1988 | 14.9°C | 10.2°C | 5.6°C | 26.8°C | -3.2°C | 187 mm | 82% | 0.3 m/s | 2.2 |
| 1987 | 16.3°C | 10.8°C | 5.2°C | 29.6°C | 0.3°C | 26 mm | 65% | 0.5 m/s | 2.6 |
| 1986 | 14.9°C | 9.6°C | 4.3°C | 20.1°C | 0.5°C | 90 mm | 77% | 0.4 m/s | 2.5 |
| 1985 | 8.0°C | 4.9°C | 1.7°C | 17.7°C | -9.3°C | 381 mm | 88% | 0.2 m/s | 1.9 |
| 1984 ❄️ | 8.6°C | 4.7°C | 0.8°C | 19.4°C | -17.7°C | 194 mm | 87% | 0.3 m/s | 2.2 |
| 1983 | 10.6°C | 6.5°C | 2.4°C | 16.6°C | -1.7°C | 100 mm | 85% | 0.4 m/s | — |
| 1982 | 11.1°C | 6.7°C | 2.4°C | 23.2°C | -5.1°C | 186 mm | 86% | 0.3 m/s | — |
| 1981 | 10.5°C | 6.6°C | 2.7°C | 16.5°C | -2.6°C | 257 mm | 86% | 0.3 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 11.3°C with lows near 3.3°C (mean 7.3°C), based on 45 years of NASA POWER data.
October averages 191 mm of rainfall in Chilliwack, a relatively wet time of year. The wettest on record was 407 mm in 2003.
The hottest October reached 29.6°C in 1987. The coldest dipped to -17.7°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.7°C. Daytime highs moved from 9.8°C to 11.4°C and overnight lows from 2°C to 3.7°C over the same span.
October is one of the warmer months of the year in Chilliwack and a relatively wet time of year, so plan for around 11.3°C daytime highs and 3.3°C at night.
Not quite — October is the 7th coolest month in Chilliwack, averaging 7.3°C.
For October in Chilliwack, pack warm layers and a jacket for chilly mornings, with typical highs of 11.3°C and lows of 3.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 85% — quite humid.
Average wind speed in October is 0.3 m/s. The windiest October on record averaged 0.5 m/s (1987).
The wettest October on record was 2003 with 407 mm. On average, October sees 191 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 Chilliwack 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.
