Climate averages 1991–2020
Chilliwack weather
in October.
A cool, very wet month: the 6th warmest and the 8th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Chilliwack: daytime highs average 13.9°C and nights cool to about 6.7°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 256 mm of rain on roughly 17 days, which makes October a very wet month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 50 min on an average October day.
The nearest other city in this atlas is Abbotsford (25 km away). In October its highs average 13.2°C, 0.8°C cooler than Chilliwack, with 197 mm of rain.
Among the 86 cities listed in Canada, Chilliwack ranks joint 17th of 86 for the warmest October highs and 84th of 86 for the driest October (rainfall, lowest first). The mean October high of those 86 cities is 12.7°C; Chilliwack is 1.2°C warmer than that mean.
From October to November, average highs fall by 6.3°C to 7.6°C, and monthly rainfall rises from 256 mm to 372 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Chilliwack climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.2°C-1.0°C | -1.0°C | 342 | 19.7 | 8.79 h |
| February | 6.3°C-0.4°C | -0.4°C | 213 | 16.5 | 10.110 h |
| March | 8.7°C1.4°C | 1.4°C | 263 | 20.0 | 11.912 h |
| April | 12.5°C4.1°C | 4.1°C | 172 | 17.3 | 13.714 h |
| May | 17.5°C8.0°C | 8.0°C | 122 | 14.8 | 15.315 h |
| June | 19.8°C11.2°C | 11.2°C | 102 | 14.4 | 16.116 h |
| July | 23.4°C14.1°C | 14.1°C | 61 | 8.8 | 15.816 h |
| August | 23.8°C14.3°C | 14.3°C | 74 | 8.6 | 14.414 h |
| September | 20.5°C11.4°C | 11.4°C | 124 | 11.1 | 12.713 h |
| October, selected | 13.9°C6.7°C | 6.7°C | 256 | 17.4 | 10.811 h |
| November | 7.6°C2.1°C | 2.1°C | 372 | 20.5 | 9.29 h |
| December | 3.9°C-0.7°C | -0.7°C | 327 | 20.1 | 8.38 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Abbotsford in OctoberCanada · 25 kmHigh 13.2°C · Low 5.5°C · 197 mm rain
- Maple Ridge in OctoberCanada · 48 kmHigh 13.6°C · Low 6.5°C · 319 mm rain
- Langley in OctoberCanada · 52 kmHigh 13.8°C · Low 6.8°C · 174 mm rain
- Bellingham in OctoberUnited States · 60 kmHigh 13.6°C · Low 7.7°C · 162 mm rain
- Coquitlam in OctoberCanada · 62 kmHigh 13.9°C · Low 7.3°C · 271 mm rain
- Surrey in OctoberCanada · 64 kmHigh 13.4°C · Low 6.6°C · 174 mm rain
- New Westminster in OctoberCanada · 70 kmHigh 13.2°C · Low 6.5°C · 246 mm rain
- Burnaby in OctoberCanada · 73 kmHigh 13.3°C · Low 7.5°C · 246 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Chilliwack) is explained once on the Chilliwack year overview and on the Sources, method and limits page.