October is one of the warmer months of the year in Windsor, with average highs near 15.9°C and lows around 5.8°C (mean 10.9°C). It is about average for rainfall, averaging 69 mm of rainfall and 77% relative humidity across the period.
October is one of the warmer months of the year in Windsor. Across 45 years of records, the warmest Octobers in Windsor were 2007 and 2021 — when the month averaged 14.5°C — while the coldest was 1988 at 7.1°C. Typical October days reach 15.9°C with nights near 5.8°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Windsor, averaging 69 mm of rainfall. The wettest October on record was 2001 with 158 mm, while the driest was 2005 at 15 mm.
Relative humidity in Windsor during October averages 77%. The most humid October was 1986 at 84%, and the least humid was 2024 at 69%.
October receives about 2.8 kWh/m²/day of solar energy in Windsor. The sunniest Octobers were 2024 and 2025 at 3.4 kWh/m²/day, and the cloudiest was 2009 at 2.4.
Average wind speed in Windsor during October is 3.4 m/s. The windiest October was 2012 at 4.1 m/s, while the calmest was 1984 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.7°C | 10.4°C | 10.9°C | 11.5°C | 12.3°C | +2.6°C |
| Avg High | 14.8°C | 15.7°C | 15.7°C | 16.2°C | 17.5°C | +2.7°C |
| Avg Low | 4.6°C | 5.1°C | 6.0°C | 6.7°C | 7.2°C | +2.6°C |
| Avg Rain | 69 mm | 68 mm | 68 mm | 76 mm | 63 mm | -6 mm |
October temperatures in Windsor have risen by about 2.4°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -4.9°C (1988) to a record high of 30.6°C (2007).
Rainfall in October is about average for rainfall, averaging 69 mm, with a wettest year of 158 mm.
A good time to visit Windsor
October is a good time to visit Windsor, with days averaging 15.9°C and nights around 5.8°C (mean 10.9°C, warmer than Windsor's yearly average) and moderate rainfall. July and August 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 | 18.9°C | 13.3°C | 7.7°C | 30.5°C | 1.7°C | 51 mm | 72% | 3.1 m/s | 3.4 |
| 2024 | 19.1°C | 13.0°C | 7.0°C | 25.7°C | 1.1°C | 42 mm | 69% | 3 m/s | 3.4 |
| 2023 | 16.3°C | 12.0°C | 7.7°C | 28.3°C | -3.0°C | 66 mm | 78% | 3.4 m/s | 2.5 |
| 2022 | 17.0°C | 11.1°C | 5.2°C | 24.5°C | 0.0°C | 34 mm | 70% | 3.4 m/s | 3.2 |
| 2021 | 18.6°C | 14.5°C | 10.4°C | 25.7°C | 3.2°C | 127 mm | 84% | 3 m/s | 2.5 |
| 2020 | 14.9°C | 9.9°C | 4.9°C | 24.5°C | -1.9°C | 56 mm | 76% | 3.5 m/s | 2.7 |
| 2019 | 16.1°C | 11.3°C | 6.6°C | 27.9°C | 1.3°C | 116 mm | 82% | 3.5 m/s | 2.8 |
| 2018 | 15.0°C | 10.2°C | 5.4°C | 27.7°C | -2.3°C | 87 mm | 81% | 3.6 m/s | 2.6 |
| 2017 | 18.4°C | 13.4°C | 8.3°C | 27.8°C | 0.3°C | 95 mm | 78% | 3.5 m/s | 2.8 |
| 2016 | 17.3°C | 12.5°C | 7.7°C | 25.5°C | 1.3°C | 75 mm | 81% | 3.2 m/s | 3 |
| 2015 | 16.4°C | 11.5°C | 6.7°C | 23.5°C | -1.1°C | 58 mm | 75% | 3.8 m/s | 2.8 |
| 2014 | 15.2°C | 10.4°C | 5.7°C | 21.8°C | 0.5°C | 56 mm | 80% | 3.5 m/s | 2.6 |
| 2013 | 16.5°C | 11.8°C | 7.0°C | 25.7°C | 0.2°C | 74 mm | 80% | 3.2 m/s | 3 |
| 2012 | 15.0°C | 10.6°C | 6.2°C | 23.8°C | 0.8°C | 84 mm | 77% | 4.1 m/s | 2.5 |
| 2011 | 15.7°C | 11.1°C | 6.5°C | 25.4°C | 0.8°C | 70 mm | 81% | 3.2 m/s | 2.7 |
| 2010 | 16.9°C | 11.8°C | 6.7°C | 25.1°C | 0.0°C | 45 mm | 72% | 3.6 m/s | 3.2 |
| 2009 | 13.7°C | 9.3°C | 4.8°C | 20.3°C | -1.4°C | 92 mm | 79% | 3.6 m/s | 2.4 |
| 2008 | 15.0°C | 9.9°C | 4.9°C | 24.3°C | -2.8°C | 37 mm | 76% | 3.3 m/s | 3.2 |
| 2007 🔥 | 19.5°C | 14.5°C | 9.6°C | 30.6°C | 0.6°C | 67 mm | 77% | 3.5 m/s | 3 |
| 2006 | 14.0°C | 9.1°C | 4.2°C | 25.2°C | -1.4°C | 99 mm | 78% | 3.7 m/s | 2.6 |
| 2005 | 17.3°C | 12.4°C | 7.4°C | 28.5°C | 0.1°C | 15 mm | 76% | 3.1 m/s | 3 |
| 2004 | 16.4°C | 11.7°C | 7.0°C | 23.1°C | 1.6°C | 55 mm | 78% | 3.4 m/s | 2.8 |
| 2003 | 14.9°C | 9.8°C | 4.7°C | 25.5°C | -0.4°C | 55 mm | 76% | 3.1 m/s | 2.9 |
| 2002 | 14.5°C | 9.7°C | 4.9°C | 29.1°C | -0.8°C | 38 mm | 74% | 3.2 m/s | 2.7 |
| 2001 🌧️ | 14.7°C | 10.2°C | 5.6°C | 25.1°C | -1.1°C | 158 mm | 78% | 4 m/s | 2.6 |
| 2000 | 17.2°C | 12.0°C | 6.8°C | 24.2°C | 0.7°C | 63 mm | 79% | 2.9 m/s | 2.9 |
| 1999 | 15.8°C | 10.1°C | 4.5°C | 24.4°C | -0.5°C | 38 mm | 71% | 3.4 m/s | 3 |
| 1998 | 17.2°C | 11.9°C | 6.6°C | 26.5°C | 1.2°C | 46 mm | 75% | 3.1 m/s | 3.2 |
| 1997 | 15.6°C | 10.4°C | 5.2°C | 27.2°C | -4.0°C | 50 mm | 77% | 3.3 m/s | 3.1 |
| 1996 | 15.8°C | 10.4°C | 5.0°C | 23.4°C | -2.5°C | 60 mm | 78% | 3.7 m/s | 2.7 |
| 1995 | 16.3°C | 11.2°C | 6.1°C | 25.7°C | 0.9°C | 88 mm | 76% | 4 m/s | 2.6 |
| 1994 | 16.4°C | 11.1°C | 5.7°C | 23.2°C | 0.4°C | 49 mm | 76% | 3 m/s | 3 |
| 1993 | 14.1°C | 8.5°C | 3.0°C | 23.9°C | -3.2°C | 63 mm | 78% | 3.5 m/s | 2.8 |
| 1992 | 13.9°C | 8.6°C | 3.3°C | 23.0°C | -3.0°C | 65 mm | 79% | 3.2 m/s | 2.8 |
| 1991 | 16.2°C | 11.4°C | 6.6°C | 25.7°C | -2.1°C | 115 mm | 74% | 3.4 m/s | 2.8 |
| 1990 | 15.4°C | 10.0°C | 4.5°C | 25.5°C | -2.8°C | 106 mm | 77% | 3.8 m/s | 2.9 |
| 1989 | 16.2°C | 10.6°C | 4.9°C | 25.1°C | -2.0°C | 47 mm | 76% | 3.5 m/s | 2.9 |
| 1988 ❄️ | 11.6°C | 7.1°C | 2.6°C | 25.7°C | -4.9°C | 90 mm | 76% | 3.8 m/s | 2.7 |
| 1987 | 12.6°C | 7.6°C | 2.5°C | 19.8°C | -1.4°C | 56 mm | 75% | 3.2 m/s | 2.9 |
| 1986 | 15.0°C | 10.2°C | 5.3°C | 21.1°C | -0.8°C | 73 mm | 84% | 3 m/s | 2.6 |
| 1985 | 15.3°C | 10.4°C | 5.4°C | 20.3°C | 0.9°C | 93 mm | 78% | 3.1 m/s | 2.7 |
| 1984 | 17.2°C | 12.1°C | 7.0°C | 22.8°C | 1.1°C | 59 mm | 77% | 2.7 m/s | 2.9 |
| 1983 | 15.6°C | 10.4°C | 5.3°C | 26.9°C | -1.3°C | 77 mm | 76% | 3.4 m/s | — |
| 1982 | 16.8°C | 11.2°C | 5.5°C | 25.4°C | -1.6°C | 35 mm | 71% | 3 m/s | — |
| 1981 | 12.8°C | 8.0°C | 3.2°C | 19.7°C | -4.4°C | 91 mm | 81% | 3.5 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 15.9°C with lows near 5.8°C (mean 10.9°C), based on 45 years of NASA POWER data.
October averages 69 mm of rainfall in Windsor, about average for rainfall. The wettest on record was 158 mm in 2001.
The hottest October reached 30.6°C in 2007. The coldest dipped to -4.9°C in 1988.
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 15.5°C to 18°C and overnight lows from 5.3°C to 7.6°C over the same span.
October is one of the warmer months of the year in Windsor and about average for rainfall, so plan for around 15.9°C daytime highs and 5.8°C at night.
Not quite — October is the 7th coolest month in Windsor, averaging 10.9°C.
For October in Windsor, pack warm layers and a jacket for chilly mornings, with typical highs of 15.9°C and lows of 5.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 77% — quite humid.
Average wind speed in October is 3.4 m/s. The windiest October on record averaged 4.1 m/s (2012).
The wettest October on record was 2001 with 158 mm. On average, October sees 69 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 Windsor 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.
