October is one of the warmer months of the year in Sylvan Lake, with average highs near 9.9°C and lows around -1°C (mean 4.5°C). It is one of the drier months, averaging 29 mm of rainfall and 74% relative humidity across the period.
October is one of the warmer months of the year in Sylvan Lake. Across 45 years of records, the warmest October in Sylvan Lake was 2022 — when the month averaged 9.4°C — while the coldest was 2009 at 0.9°C. Typical October days reach 9.9°C with nights near -1°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in Sylvan Lake, averaging 29 mm of rainfall. The wettest October on record was 1998 with 56 mm, while the driest was 2000 at 6 mm.
Relative humidity in Sylvan Lake during October averages 74%. The most humid October was 2016 at 86%, and the least humid was 2008 at 64%.
October receives about 2.2 kWh/m²/day of solar energy in Sylvan Lake. The sunniest October was 2022 at 2.6 kWh/m²/day, and the cloudiest was 2009 at 1.7.
Average wind speed in Sylvan Lake during October is 2.2 m/s. The windiest October was 2017 at 2.8 m/s, while the calmest were 2016 and 2024 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 4.6°C | 4.0°C | 4.0°C | 4.4°C | 5.6°C | +1°C |
| Avg High | 10.0°C | 9.5°C | 9.3°C | 9.9°C | 11.2°C | +1.2°C |
| Avg Low | -0.9°C | -1.4°C | -1.4°C | -1.0°C | 0.1°C | +1°C |
| Avg Rain | 28 mm | 30 mm | 33 mm | 27 mm | 24 mm | -4 mm |
October temperatures in Sylvan Lake have risen by about 2.9°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -21.7°C (1984) to a record high of 26.4°C (1987).
Rainfall in October is one of the drier months, averaging 29 mm, with a wettest year of 56 mm.
A good time to visit Sylvan Lake
October is a good time to visit Sylvan Lake, with days averaging 9.9°C and nights around -1°C (mean 4.5°C, close to Sylvan Lake's yearly average) and low 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 | 12.0°C | 6.0°C | 0.1°C | 22.6°C | -6.4°C | 19 mm | 67% | 2.3 m/s | 2.4 |
| 2024 | 11.8°C | 6.2°C | 0.6°C | 22.6°C | -5.3°C | 24 mm | 75% | 1.8 m/s | 2.2 |
| 2023 | 11.0°C | 5.6°C | 0.3°C | 24.6°C | -10.9°C | 30 mm | 73% | 2.3 m/s | 2.3 |
| 2022 🔥 | 15.5°C | 9.4°C | 3.4°C | 24.3°C | -3.9°C | 14 mm | 65% | 2.1 m/s | 2.6 |
| 2021 | 10.5°C | 4.8°C | -0.9°C | 16.7°C | -4.9°C | 25 mm | 72% | 2.2 m/s | 2.4 |
| 2020 | 6.5°C | 1.7°C | -3.0°C | 22.6°C | -17.8°C | 34 mm | 78% | 2.3 m/s | 1.9 |
| 2019 | 7.4°C | 2.1°C | -3.3°C | 17.1°C | -14.6°C | 26 mm | 75% | 2.5 m/s | 2.3 |
| 2018 | 8.9°C | 3.5°C | -2.0°C | 20.0°C | -9.8°C | 29 mm | 77% | 2.1 m/s | 2.3 |
| 2017 | 9.9°C | 4.4°C | -1.1°C | 19.9°C | -7.0°C | 30 mm | 72% | 2.8 m/s | 2 |
| 2016 | 6.3°C | 1.9°C | -2.5°C | 13.8°C | -5.6°C | 48 mm | 86% | 1.8 m/s | 1.8 |
| 2015 | 12.2°C | 6.5°C | 0.9°C | 20.5°C | -4.2°C | 28 mm | 76% | 2.3 m/s | 2.4 |
| 2014 | 13.1°C | 7.2°C | 1.3°C | 21.6°C | -4.7°C | 16 mm | 73% | 2.3 m/s | 2.3 |
| 2013 | 11.1°C | 5.2°C | -0.7°C | 19.7°C | -10.3°C | 24 mm | 70% | 2.2 m/s | 2.3 |
| 2012 | 6.3°C | 1.7°C | -2.9°C | 22.6°C | -9.6°C | 38 mm | 77% | 2.5 m/s | 1.8 |
| 2011 | 10.9°C | 5.3°C | -0.2°C | 16.2°C | -4.5°C | 26 mm | 70% | 2.1 m/s | 2.2 |
| 2010 | 12.5°C | 6.7°C | 0.9°C | 22.1°C | -5.4°C | 10 mm | 75% | 2 m/s | 2.4 |
| 2009 ❄️ | 5.3°C | 0.9°C | -3.6°C | 15.8°C | -12.1°C | 34 mm | 76% | 2.3 m/s | 1.7 |
| 2008 | 12.2°C | 5.9°C | -0.3°C | 25.6°C | -6.6°C | 15 mm | 64% | 2.4 m/s | 2.5 |
| 2007 | 10.9°C | 5.5°C | 0.0°C | 19.5°C | -4.6°C | 43 mm | 77% | 2.1 m/s | 2.3 |
| 2006 | 7.4°C | 2.8°C | -1.8°C | 17.7°C | -9.9°C | 46 mm | 80% | 2.1 m/s | 2.2 |
| 2005 | 10.4°C | 4.8°C | -0.7°C | 17.6°C | -3.7°C | 29 mm | 81% | 2 m/s | 2.2 |
| 2004 | 7.8°C | 2.6°C | -2.6°C | 21.1°C | -10.3°C | 55 mm | 84% | 2 m/s | 1.9 |
| 2003 | 12.8°C | 7.0°C | 1.1°C | 25.4°C | -15.1°C | 39 mm | 68% | 2.5 m/s | 2.2 |
| 2002 | 6.5°C | 1.4°C | -3.8°C | 15.4°C | -13.8°C | 42 mm | 78% | 2.1 m/s | 2.2 |
| 2001 | 9.2°C | 3.7°C | -1.7°C | 17.2°C | -6.0°C | 22 mm | 65% | 2.5 m/s | 2.4 |
| 2000 | 10.7°C | 5.0°C | -0.7°C | 20.5°C | -7.1°C | 6 mm | 75% | 2.1 m/s | 2.4 |
| 1999 | 11.3°C | 5.3°C | -0.6°C | 19.1°C | -6.2°C | 12 mm | 66% | 2.4 m/s | 2.3 |
| 1998 🌧️ | 11.1°C | 5.5°C | -0.1°C | 20.3°C | -4.2°C | 56 mm | 77% | 2 m/s | 2.1 |
| 1997 | 8.4°C | 3.3°C | -1.7°C | 19.0°C | -7.5°C | 29 mm | 78% | 2.2 m/s | 2 |
| 1996 | 9.1°C | 3.6°C | -1.9°C | 21.2°C | -11.9°C | 25 mm | 74% | 2.1 m/s | 2.2 |
| 1995 | 9.0°C | 3.9°C | -1.2°C | 15.3°C | -8.4°C | 33 mm | 72% | 2.5 m/s | 2.1 |
| 1994 | 9.9°C | 4.4°C | -1.1°C | 17.4°C | -5.1°C | 24 mm | 72% | 2.4 m/s | 2.2 |
| 1993 | 11.4°C | 5.5°C | -0.4°C | 22.5°C | -6.7°C | 20 mm | 75% | 2.1 m/s | 2.3 |
| 1992 | 9.0°C | 4.1°C | -0.8°C | 22.8°C | -6.9°C | 15 mm | 74% | 2.4 m/s | 2.1 |
| 1991 | 7.5°C | 1.5°C | -4.6°C | 23.1°C | -21.1°C | 52 mm | 74% | 2.4 m/s | 2.2 |
| 1990 | 8.1°C | 3.1°C | -1.9°C | 16.7°C | -7.2°C | 29 mm | 69% | 2.5 m/s | 2.4 |
| 1989 | 10.1°C | 4.5°C | -1.2°C | 19.6°C | -6.2°C | 48 mm | 76% | 2.1 m/s | 2.3 |
| 1988 | 12.7°C | 6.7°C | 0.8°C | 22.2°C | -9.4°C | 7 mm | 70% | 2.2 m/s | 2.3 |
| 1987 | 11.9°C | 6.0°C | 0.1°C | 26.4°C | -6.0°C | 9 mm | 68% | 2.3 m/s | 2.3 |
| 1986 | 12.3°C | 6.5°C | 0.8°C | 19.4°C | -7.1°C | 23 mm | 78% | 2 m/s | 2.3 |
| 1985 | 7.6°C | 2.9°C | -1.8°C | 15.1°C | -6.0°C | 26 mm | 75% | 2.4 m/s | 2 |
| 1984 | 6.0°C | 1.4°C | -3.2°C | 23.3°C | -21.7°C | 39 mm | 77% | 2.5 m/s | 2 |
| 1983 | 10.4°C | 4.6°C | -1.1°C | 17.3°C | -4.9°C | 16 mm | 75% | 1.9 m/s | — |
| 1982 | 9.8°C | 4.4°C | -1.0°C | 20.6°C | -8.0°C | 46 mm | 80% | 2 m/s | — |
| 1981 | 9.1°C | 4.0°C | -1.1°C | 19.2°C | -5.3°C | 38 mm | 79% | 2 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°C (mean 4.5°C), based on 45 years of NASA POWER data.
October averages 29 mm of rainfall in Sylvan Lake, one of the drier months. The wettest on record was 56 mm in 1998.
The hottest October reached 26.4°C in 1987. The coldest dipped to -21.7°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.9°C. Daytime highs moved from 8.6°C to 12.2°C and overnight lows from -1.6°C to 0.7°C over the same span.
October is one of the warmer months of the year in Sylvan Lake and one of the drier months, so plan for around 9.9°C daytime highs and -1°C at night.
Not quite — October is the 7th coolest month in Sylvan Lake, averaging 4.5°C.
For October in Sylvan Lake, pack warm layers and a jacket for chilly mornings, with typical highs of 9.9°C and lows of -1°C.
Relative humidity in October averages 74% — moderately humid.
Average wind speed in October is 2.2 m/s. The windiest October on record averaged 2.8 m/s (2017).
The wettest October on record was 1998 with 56 mm. On average, October sees 29 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 Sylvan 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.
