October is close to Williams Lake's year-round average, with average highs near 9.4°C and lows around -0.8°C (mean 4.3°C). It is about average for rainfall, averaging 56 mm of rainfall and 79% relative humidity across the period.
October is close to Williams Lake's year-round average. Across 45 years of records, the warmest October in Williams Lake was 2022 — when the month averaged 9.1°C — while the coldest was 2009 at 1.8°C. Typical October days reach 9.4°C with nights near -0.8°C. The long-term trend is warming, about 0.2°C per decade.
October is about average for rainfall in Williams Lake, averaging 56 mm of rainfall. The wettest October on record was 2020 with 167 mm, while the driest was 1987 at 16 mm.
Relative humidity in Williams Lake during October averages 79%. The most humid October was 2016 at 89%, and the least humid was 1987 at 65%.
October receives about 2.1 kWh/m²/day of solar energy in Williams Lake. The sunniest Octobers were 2002, 2006 and 2023, among others at 2.4 kWh/m²/day, and the cloudiest were 1990, 1998 and 2020 at 1.7.
Average wind speed in Williams Lake during October is 0.2 m/s. The windiest Octobers were 1993, 2002 and 2013 at 0.3 m/s, while the calmest were 2023, 2024 and 2025, among others at 0.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.6°C | 3.7°C | 3.9°C | 4.6°C | 5.1°C | +0.5°C |
| Avg High | 10.0°C | 8.9°C | 8.8°C | 9.6°C | 10.1°C | +0.1°C |
| Avg Low | -0.8°C | -1.5°C | -1.1°C | -0.4°C | 0.1°C | +0.9°C |
| Avg Rain | 43 mm | 61 mm | 61 mm | 52 mm | 63 mm | +20 mm |
October temperatures in Williams Lake have risen by about 2.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -19.8°C (1984) to a record high of 25.9°C (1987).
Rainfall in October is about average for rainfall, averaging 56 mm, with a wettest year of 167 mm.
A good time to visit Williams Lake
October is a good time to visit Williams Lake, with days averaging 9.4°C and nights around -0.8°C (mean 4.3°C, close to Williams Lake's yearly average) and moderate 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 | 8.8°C | 3.9°C | -1.1°C | 16.7°C | -7.6°C | 53 mm | 82% | 0.1 m/s | 2.1 |
| 2024 | 8.9°C | 4.5°C | 0.1°C | 16.1°C | -5.8°C | 69 mm | 85% | 0.1 m/s | 1.9 |
| 2023 | 12.1°C | 6.3°C | 0.4°C | 22.2°C | -11.7°C | 19 mm | 71% | 0.1 m/s | 2.4 |
| 2022 🔥 | 15.3°C | 9.1°C | 2.9°C | 24.8°C | -5.3°C | 17 mm | 73% | 0.2 m/s | 2.3 |
| 2021 | 8.4°C | 4.0°C | -0.5°C | 14.4°C | -5.4°C | 52 mm | 80% | 0.1 m/s | 2 |
| 2020 🌧️ | 6.9°C | 2.8°C | -1.2°C | 23.7°C | -15.4°C | 167 mm | 88% | 0.2 m/s | 1.7 |
| 2019 | 6.7°C | 2.1°C | -2.4°C | 12.9°C | -7.6°C | 62 mm | 82% | 0.1 m/s | 2.1 |
| 2018 | 8.9°C | 3.6°C | -1.8°C | 15.5°C | -11.8°C | 43 mm | 85% | 0.2 m/s | 2.3 |
| 2017 | 8.8°C | 3.8°C | -1.3°C | 19.1°C | -5.4°C | 63 mm | 78% | 0.2 m/s | 2.1 |
| 2016 | 7.8°C | 3.8°C | -0.1°C | 14.7°C | -5.4°C | 81 mm | 89% | 0.1 m/s | 1.9 |
| 2015 | 11.7°C | 6.3°C | 1.0°C | 20.5°C | -3.9°C | 48 mm | 80% | 0.2 m/s | 2.1 |
| 2014 | 11.5°C | 7.1°C | 2.6°C | 19.8°C | -4.4°C | 64 mm | 81% | 0.1 m/s | 1.8 |
| 2013 | 10.6°C | 4.9°C | -0.8°C | 16.9°C | -6.7°C | 34 mm | 77% | 0.3 m/s | 2.3 |
| 2012 | 8.4°C | 3.5°C | -1.5°C | 22.0°C | -7.3°C | 65 mm | 78% | 0.2 m/s | 2.1 |
| 2011 | 10.0°C | 4.6°C | -0.8°C | 15.6°C | -5.1°C | 30 mm | 77% | 0.1 m/s | 2.2 |
| 2010 | 11.9°C | 6.4°C | 0.9°C | 22.8°C | -3.8°C | 29 mm | 79% | 0.1 m/s | 2.1 |
| 2009 ❄️ | 6.2°C | 1.8°C | -2.6°C | 16.2°C | -9.6°C | 84 mm | 81% | 0.2 m/s | 2 |
| 2008 | 9.3°C | 4.1°C | -1.1°C | 25.5°C | -5.8°C | 42 mm | 75% | 0.1 m/s | 2.1 |
| 2007 | 7.9°C | 3.5°C | -1.0°C | 14.1°C | -5.2°C | 68 mm | 86% | 0.1 m/s | 1.9 |
| 2006 | 9.7°C | 4.0°C | -1.8°C | 20.9°C | -11.6°C | 48 mm | 72% | 0.2 m/s | 2.4 |
| 2005 | 8.5°C | 4.1°C | -0.3°C | 14.7°C | -3.7°C | 78 mm | 86% | 0.1 m/s | 1.9 |
| 2004 | 8.2°C | 3.6°C | -1.0°C | 19.3°C | -6.6°C | 58 mm | 87% | 0.2 m/s | 2 |
| 2003 | 11.7°C | 6.5°C | 1.2°C | 25.0°C | -8.7°C | 90 mm | 75% | 0.1 m/s | 2.1 |
| 2002 | 10.1°C | 4.2°C | -1.8°C | 17.0°C | -9.7°C | 28 mm | 76% | 0.3 m/s | 2.4 |
| 2001 | 7.4°C | 2.6°C | -2.3°C | 15.8°C | -6.6°C | 54 mm | 79% | 0.1 m/s | 2.1 |
| 2000 | 8.9°C | 4.1°C | -0.7°C | 17.6°C | -4.6°C | 62 mm | 80% | 0.1 m/s | 2 |
| 1999 | 10.0°C | 4.2°C | -1.7°C | 16.5°C | -5.1°C | 31 mm | 74% | 0.2 m/s | 2.3 |
| 1998 | 9.4°C | 4.6°C | -0.2°C | 17.5°C | -5.5°C | 93 mm | 87% | 0.1 m/s | 1.7 |
| 1997 | 7.9°C | 3.3°C | -1.2°C | 15.7°C | -5.4°C | 70 mm | 85% | 0.1 m/s | 1.9 |
| 1996 | 6.8°C | 2.0°C | -2.7°C | 18.1°C | -12.1°C | 79 mm | 85% | 0.1 m/s | 1.9 |
| 1995 | 7.8°C | 3.2°C | -1.3°C | 13.7°C | -8.4°C | 78 mm | 82% | 0.1 m/s | 2.2 |
| 1994 | 9.3°C | 4.0°C | -1.3°C | 20.4°C | -5.5°C | 51 mm | 75% | 0.1 m/s | 2.3 |
| 1993 | 11.9°C | 5.6°C | -0.7°C | 24.2°C | -5.0°C | 44 mm | 77% | 0.3 m/s | 2.2 |
| 1992 | 10.1°C | 4.7°C | -0.7°C | 25.3°C | -7.3°C | 36 mm | 74% | 0.1 m/s | 2.1 |
| 1991 | 8.7°C | 2.9°C | -2.9°C | 24.0°C | -15.4°C | 61 mm | 71% | 0.2 m/s | 2.1 |
| 1990 | 7.0°C | 2.5°C | -2.0°C | 14.8°C | -5.3°C | 69 mm | 76% | 0.1 m/s | 1.7 |
| 1989 | 9.8°C | 4.9°C | 0.0°C | 18.2°C | -5.9°C | 49 mm | 77% | 0.1 m/s | 2.1 |
| 1988 | 13.0°C | 6.9°C | 0.9°C | 23.6°C | -6.1°C | 30 mm | 75% | 0.2 m/s | 2.1 |
| 1987 | 13.1°C | 6.3°C | -0.4°C | 25.9°C | -5.4°C | 16 mm | 65% | 0.2 m/s | 2.4 |
| 1986 | 13.8°C | 7.0°C | 0.3°C | 20.2°C | -7.3°C | 27 mm | 75% | 0.2 m/s | 2.3 |
| 1985 | 6.6°C | 2.3°C | -2.0°C | 15.4°C | -6.8°C | 87 mm | 82% | 0.1 m/s | 2.1 |
| 1984 | 7.0°C | 2.2°C | -2.6°C | 19.3°C | -19.8°C | 40 mm | 76% | 0.1 m/s | 2 |
| 1983 | 8.2°C | 3.2°C | -1.8°C | 16.0°C | -6.0°C | 63 mm | 82% | 0.2 m/s | — |
| 1982 | 9.1°C | 4.3°C | -0.4°C | 18.9°C | -6.9°C | 41 mm | 81% | 0.2 m/s | — |
| 1981 | 9.1°C | 4.0°C | -1.0°C | 15.0°C | -6.1°C | 35 mm | 78% | 0.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 9.4°C with lows near -0.8°C (mean 4.3°C), based on 45 years of NASA POWER data.
October averages 56 mm of rainfall in Williams Lake, about average for rainfall. The wettest on record was 167 mm in 2020.
The hottest October reached 25.9°C in 1987. The coldest dipped to -19.8°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.4°C. Daytime highs moved from 8°C to 10.7°C and overnight lows from -1.6°C to 0.4°C over the same span.
October is close to Williams Lake's year-round average and about average for rainfall, so plan for around 9.4°C daytime highs and -0.8°C at night.
Not quite — October is the 7th coolest month in Williams Lake, averaging 4.3°C.
For October in Williams Lake, pack warm layers and a jacket for chilly mornings, with typical highs of 9.4°C and lows of -0.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 79% — quite humid.
Average wind speed in October is 0.2 m/s. The windiest October on record averaged 0.3 m/s (1993).
The wettest October on record was 2020 with 167 mm. On average, October sees 56 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 Williams Lake 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.
