October is one of the cooler months of the year in Seymour, with average highs near 19.8°C and lows around 6.6°C (mean 13.2°C). It is about average for rainfall, averaging 58 mm of rainfall and 72% relative humidity across the period.
October is one of the cooler months of the year in Seymour. Across 45 years of records, the warmest October in Seymour was 2015 — when the month averaged 18.5°C — while the coldest was 2003 at 10.5°C. Typical October days reach 19.8°C with nights near 6.6°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Seymour, averaging 58 mm of rainfall. The wettest October on record was 2022 with 229 mm, while the driest was 2006 at 4 mm.
Relative humidity in Seymour during October averages 72%. The most humid October was 2022 at 83%, and the least humid was 2006 at 54%.
October receives about 5.2 kWh/m²/day of solar energy in Seymour. The sunniest October was 2006 at 6.4 kWh/m²/day, and the cloudiest was 2001 at 4.4.
Average wind speed in Seymour during October is 2.5 m/s. The windiest October was 2016 at 3 m/s, while the calmest were 1999, 2005 and 2012 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.2°C | 12.7°C | 13.3°C | 14.2°C | 13.9°C | +1.7°C |
| Avg High | 18.5°C | 19.0°C | 20.1°C | 21.3°C | 20.4°C | +1.9°C |
| Avg Low | 5.9°C | 6.4°C | 6.4°C | 7.1°C | 7.3°C | +1.4°C |
| Avg Rain | 60 mm | 61 mm | 46 mm | 44 mm | 91 mm | +31 mm |
October temperatures in Seymour have risen by about 1.2°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 0°C (2003) to a record high of 33.9°C (1982).
Rainfall in October is about average for rainfall, averaging 58 mm, with a wettest year of 229 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.8°C per decade while lows rose 0.4°C per decade, widening the gap between day and night.
A good time to visit Seymour
October is a good time to visit Seymour, with days averaging 19.8°C and nights around 6.6°C (mean 13.2°C, cooler than Seymour's yearly average) and moderate rainfall. February and January 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 | 21.5°C | 14.4°C | 7.2°C | 31.6°C | 1.9°C | 46 mm | 64% | 2.4 m/s | 5 |
| 2024 | 22.8°C | 15.4°C | 8.1°C | 30.3°C | 2.5°C | 45 mm | 65% | 2.8 m/s | 5.8 |
| 2023 | 20.5°C | 13.5°C | 6.4°C | 28.3°C | 2.8°C | 82 mm | 66% | 2.7 m/s | 5.1 |
| 2022 🌧️ | 18.3°C | 13.1°C | 7.9°C | 24.4°C | 2.2°C | 229 mm | 83% | 2.4 m/s | 4.5 |
| 2021 | 19.1°C | 12.7°C | 6.4°C | 26.8°C | 2.6°C | 63 mm | 72% | 2.5 m/s | 5.2 |
| 2020 | 20.4°C | 14.1°C | 7.7°C | 28.7°C | 3.8°C | 79 mm | 74% | 2.8 m/s | 4.9 |
| 2019 | 22.8°C | 15.1°C | 7.4°C | 33.1°C | 2.4°C | 19 mm | 60% | 2.4 m/s | 5.7 |
| 2018 | 23.1°C | 15.6°C | 8.1°C | 28.9°C | 3.8°C | 36 mm | 60% | 2.5 m/s | 5.7 |
| 2017 | 22.7°C | 15.3°C | 7.8°C | 30.3°C | 2.9°C | 41 mm | 65% | 2.5 m/s | 5.5 |
| 2016 | 17.5°C | 11.1°C | 4.7°C | 23.2°C | 1.5°C | 64 mm | 76% | 3 m/s | 5.1 |
| 2015 🔥 | 27.0°C | 18.5°C | 10.0°C | 33.7°C | 5.1°C | 16 mm | 58% | 2.5 m/s | 5.9 |
| 2014 | 22.2°C | 14.9°C | 7.5°C | 30.8°C | 2.4°C | 24 mm | 69% | 2.4 m/s | 5.5 |
| 2013 | 19.0°C | 12.3°C | 5.7°C | 29.4°C | 1.8°C | 40 mm | 71% | 2.7 m/s | 4.9 |
| 2012 | 19.9°C | 12.9°C | 5.9°C | 31.7°C | 2.7°C | 28 mm | 72% | 2.2 m/s | 5.2 |
| 2011 | 19.8°C | 13.5°C | 7.3°C | 28.6°C | 2.3°C | 37 mm | 75% | 2.3 m/s | 5 |
| 2010 | 18.6°C | 12.6°C | 6.6°C | 24.4°C | 2.5°C | 130 mm | 80% | 2.3 m/s | 5.2 |
| 2009 | 19.5°C | 12.9°C | 6.3°C | 32.4°C | 2.1°C | 38 mm | 73% | 2.5 m/s | 5.4 |
| 2008 | 22.9°C | 15.0°C | 7.0°C | 32.1°C | 0.8°C | 15 mm | 59% | 2.5 m/s | 5.5 |
| 2007 | 21.8°C | 14.2°C | 6.6°C | 33.2°C | 1.9°C | 10 mm | 62% | 2.7 m/s | 5.6 |
| 2006 | 22.8°C | 14.4°C | 6.0°C | 33.4°C | 1.6°C | 4 mm | 54% | 2.6 m/s | 6.4 |
| 2005 | 19.8°C | 13.7°C | 7.6°C | 25.4°C | 3.0°C | 82 mm | 73% | 2.2 m/s | 5.2 |
| 2004 | 20.9°C | 13.9°C | 6.9°C | 29.5°C | 1.9°C | 30 mm | 70% | 2.3 m/s | 5.6 |
| 2003 ❄️ | 16.2°C | 10.5°C | 4.8°C | 24.0°C | 0.0°C | 68 mm | 79% | 2.4 m/s | 4.5 |
| 2002 | 21.5°C | 14.2°C | 6.8°C | 29.4°C | 2.9°C | 27 mm | 61% | 2.7 m/s | 5 |
| 2001 | 18.2°C | 12.1°C | 6.0°C | 25.1°C | 2.4°C | 87 mm | 74% | 2.5 m/s | 4.4 |
| 2000 | 17.7°C | 11.8°C | 6.0°C | 22.9°C | 1.1°C | 100 mm | 79% | 2.3 m/s | 4.9 |
| 1999 | 19.9°C | 13.8°C | 7.7°C | 26.2°C | 2.8°C | 54 mm | 74% | 2.2 m/s | 5.2 |
| 1998 | 18.2°C | 12.1°C | 5.9°C | 28.4°C | 1.1°C | 61 mm | 72% | 2.5 m/s | 4.9 |
| 1997 | 21.1°C | 13.9°C | 6.7°C | 31.7°C | 1.7°C | 49 mm | 67% | 2.6 m/s | 5.3 |
| 1996 | 18.5°C | 12.3°C | 6.0°C | 26.0°C | 0.9°C | 34 mm | 78% | 2.4 m/s | 5.5 |
| 1995 | 17.3°C | 11.5°C | 5.7°C | 26.8°C | 0.9°C | 77 mm | 79% | 2.6 m/s | 5 |
| 1994 | 20.5°C | 13.3°C | 6.1°C | 30.1°C | 1.4°C | 29 mm | 65% | 2.6 m/s | 5.5 |
| 1993 | 17.3°C | 11.1°C | 4.9°C | 22.1°C | 0.9°C | 99 mm | 80% | 2.3 m/s | 5.1 |
| 1992 | 18.0°C | 12.5°C | 6.9°C | 24.4°C | 1.1°C | 138 mm | 82% | 2.3 m/s | 4.9 |
| 1991 | 20.4°C | 13.7°C | 7.0°C | 28.7°C | 2.9°C | 11 mm | 76% | 2.4 m/s | 5.8 |
| 1990 | 18.9°C | 12.8°C | 6.8°C | 30.9°C | 1.3°C | 61 mm | 77% | 2.5 m/s | 5.5 |
| 1989 | 17.1°C | 11.4°C | 5.6°C | 23.8°C | 0.5°C | 93 mm | 81% | 2.5 m/s | 5.2 |
| 1988 | 19.1°C | 12.7°C | 6.4°C | 25.8°C | 2.5°C | 34 mm | 73% | 2.7 m/s | 5.1 |
| 1987 | 18.6°C | 12.2°C | 5.8°C | 30.0°C | 0.2°C | 48 mm | 75% | 2.5 m/s | 5.4 |
| 1986 | 15.8°C | 10.6°C | 5.4°C | 21.5°C | 1.3°C | 119 mm | 81% | 2.6 m/s | 4.5 |
| 1985 | 18.9°C | 12.6°C | 6.2°C | 23.9°C | 1.6°C | 77 mm | 76% | 2.4 m/s | 5.5 |
| 1984 | 19.2°C | 12.4°C | 5.6°C | 25.3°C | 1.1°C | 44 mm | 74% | 2.5 m/s | 5.4 |
| 1983 | 17.9°C | 12.3°C | 6.7°C | 24.5°C | 2.6°C | 65 mm | 81% | 2.4 m/s | — |
| 1982 | 20.9°C | 13.2°C | 5.5°C | 33.9°C | 0.4°C | 20 mm | 58% | 2.6 m/s | — |
| 1981 | 18.7°C | 12.3°C | 6.0°C | 25.5°C | 1.7°C | 42 mm | 77% | 2.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 19.8°C with lows near 6.6°C (mean 13.2°C), based on 45 years of NASA POWER data.
October averages 58 mm of rainfall in Seymour, about average for rainfall. The wettest on record was 229 mm in 2022.
The hottest October reached 33.9°C in 1982. The coldest dipped to 0°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.2°C. Daytime highs moved from 19.1°C to 20.4°C and overnight lows from 6°C to 7.2°C over the same span.
October is one of the cooler months of the year in Seymour and about average for rainfall, so plan for around 19.8°C daytime highs and 6.6°C at night.
Not quite — October is the 6th coolest month in Seymour, averaging 13.2°C.
For October in Seymour, pack warm layers and a jacket for chilly mornings, with typical highs of 19.8°C and lows of 6.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 72% — moderately humid.
Average wind speed in October is 2.5 m/s. The windiest October on record averaged 3 m/s (2016).
The wettest October on record was 2022 with 229 mm. On average, October sees 58 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 Seymour 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.
