October is one of the warmer months of the year in Arnold, with average highs near 13.6°C and lows around 6.5°C (mean 10.1°C). It is a relatively wet time of year, averaging 78 mm of rainfall and 89% relative humidity across the period.
October is one of the warmer months of the year in Arnold. Across 45 years of records, the warmest October in Arnold was 2001 — when the month averaged 12.5°C — while the coldest was 1992 at 6.9°C. Typical October days reach 13.6°C with nights near 6.5°C. The long-term trend is warming, about 0.4°C per decade.
October is a relatively wet time of year in Arnold, averaging 78 mm of rainfall. The wettest October on record was 2023 with 141 mm, while the driest was 1995 at 33 mm.
Relative humidity in Arnold during October averages 89%. The most humid October was 2020 at 91%, and the least humid was 2011 at 87%.
October receives about 1.7 kWh/m²/day of solar energy in Arnold. The sunniest Octobers were 2008, 2018 and 2022, among others at 1.9 kWh/m²/day, and the cloudiest was 2020 at 1.4.
Average wind speed in Arnold during October is 3.5 m/s. The windiest October was 1998 at 4.8 m/s, while the calmest was 2007 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.5°C | 9.5°C | 10.4°C | 10.4°C | 11.0°C | +1.5°C |
| Avg High | 13.1°C | 13.1°C | 13.8°C | 14.0°C | 14.6°C | +1.5°C |
| Avg Low | 6.0°C | 6.0°C | 6.9°C | 6.8°C | 7.4°C | +1.4°C |
| Avg Rain | 72 mm | 71 mm | 84 mm | 72 mm | 98 mm | +25 mm |
October temperatures in Arnold have risen by about 2.1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of -4°C (1997) to a record high of 25.3°C (2011).
Rainfall in October is a relatively wet time of year, averaging 78 mm, with a wettest year of 141 mm.
A good time to visit Arnold
October is a good time to visit Arnold, with days averaging 13.6°C and nights around 6.5°C (mean 10.1°C, close to Arnold'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 | 14.1°C | 10.7°C | 7.3°C | 19.8°C | 2.4°C | 58 mm | 88% | 3.5 m/s | 1.5 |
| 2024 | 14.4°C | 10.7°C | 6.9°C | 18.8°C | 0.9°C | 78 mm | 90% | 3.1 m/s | 1.7 |
| 2023 🌧️ | 15.1°C | 11.6°C | 8.1°C | 21.6°C | 1.0°C | 141 mm | 91% | 3 m/s | 1.6 |
| 2022 | 16.0°C | 12.1°C | 8.1°C | 17.9°C | 4.0°C | 104 mm | 89% | 3.6 m/s | 1.9 |
| 2021 | 14.9°C | 11.3°C | 7.6°C | 20.1°C | 2.5°C | 90 mm | 89% | 3.8 m/s | 1.7 |
| 2020 | 12.8°C | 9.6°C | 6.3°C | 17.0°C | 2.6°C | 117 mm | 91% | 3.7 m/s | 1.4 |
| 2019 | 12.8°C | 9.3°C | 5.7°C | 15.5°C | 1.3°C | 120 mm | 91% | 3.3 m/s | 1.6 |
| 2018 | 14.1°C | 10.0°C | 5.9°C | 22.7°C | -1.5°C | 61 mm | 89% | 3.6 m/s | 1.9 |
| 2017 | 14.9°C | 11.5°C | 8.1°C | 20.3°C | 0.6°C | 39 mm | 89% | 4.1 m/s | 1.6 |
| 2016 | 13.5°C | 10.2°C | 6.8°C | 17.2°C | 3.7°C | 35 mm | 90% | 2.8 m/s | 1.6 |
| 2015 | 14.0°C | 10.1°C | 6.3°C | 19.3°C | 2.2°C | 70 mm | 90% | 2.7 m/s | 1.7 |
| 2014 | 14.8°C | 11.3°C | 7.7°C | 19.0°C | 3.3°C | 87 mm | 90% | 4 m/s | 1.6 |
| 2013 | 14.8°C | 11.5°C | 8.2°C | 20.2°C | 3.3°C | 115 mm | 91% | 4.2 m/s | 1.5 |
| 2012 | 12.0°C | 8.6°C | 5.2°C | 15.1°C | -0.1°C | 80 mm | 90% | 3.2 m/s | 1.7 |
| 2011 | 15.5°C | 11.8°C | 8.1°C | 25.3°C | 1.3°C | 42 mm | 87% | 3.9 m/s | 1.8 |
| 2010 | 13.1°C | 9.4°C | 5.8°C | 18.9°C | -1.9°C | 69 mm | 90% | 3.3 m/s | 1.8 |
| 2009 | 14.2°C | 10.6°C | 7.1°C | 20.0°C | 3.0°C | 51 mm | 89% | 2.9 m/s | 1.7 |
| 2008 | 12.4°C | 8.9°C | 5.4°C | 19.2°C | -2.9°C | 72 mm | 90% | 3.9 m/s | 1.9 |
| 2007 | 14.2°C | 10.6°C | 7.0°C | 19.4°C | 2.4°C | 43 mm | 90% | 2.3 m/s | 1.7 |
| 2006 | 15.8°C | 12.1°C | 8.4°C | 19.2°C | 2.8°C | 88 mm | 90% | 3.7 m/s | 1.6 |
| 2005 | 15.9°C | 12.3°C | 8.7°C | 20.0°C | 4.8°C | 90 mm | 90% | 3.4 m/s | 1.5 |
| 2004 | 13.1°C | 9.8°C | 6.5°C | 15.9°C | 2.3°C | 99 mm | 90% | 3.9 m/s | 1.6 |
| 2003 | 11.9°C | 8.4°C | 4.9°C | 17.3°C | -0.2°C | 50 mm | 87% | 3.5 m/s | 1.9 |
| 2002 | 12.4°C | 9.1°C | 5.8°C | 19.7°C | 0.3°C | 127 mm | 90% | 3.5 m/s | 1.5 |
| 2001 🔥 | 15.8°C | 12.5°C | 9.2°C | 19.6°C | 5.4°C | 107 mm | 91% | 4.1 m/s | 1.7 |
| 2000 | 12.5°C | 9.4°C | 6.2°C | 18.3°C | 3.9°C | 117 mm | 91% | 4 m/s | 1.5 |
| 1999 | 13.6°C | 10.0°C | 6.5°C | 19.0°C | 1.0°C | 79 mm | 88% | 3.6 m/s | 1.7 |
| 1998 | 12.9°C | 9.4°C | 5.9°C | 18.4°C | -1.2°C | 123 mm | 88% | 4.8 m/s | 1.5 |
| 1997 | 13.0°C | 9.1°C | 5.2°C | 19.9°C | -4.0°C | 51 mm | 88% | 2.9 m/s | 1.6 |
| 1996 | 14.2°C | 10.6°C | 7.1°C | 18.6°C | 3.3°C | 77 mm | 89% | 3.9 m/s | 1.8 |
| 1995 | 16.0°C | 11.8°C | 7.7°C | 22.1°C | 1.7°C | 33 mm | 89% | 3.6 m/s | 1.9 |
| 1994 | 12.7°C | 9.1°C | 5.5°C | 16.1°C | -0.7°C | 76 mm | 90% | 3.1 m/s | 1.7 |
| 1993 | 11.1°C | 7.6°C | 4.1°C | 15.4°C | -3.4°C | 69 mm | 89% | 2.9 m/s | 1.7 |
| 1992 ❄️ | 9.9°C | 6.9°C | 3.9°C | 15.1°C | -0.6°C | 77 mm | 89% | 3.3 m/s | 1.7 |
| 1991 | 12.8°C | 9.6°C | 6.3°C | 20.1°C | 1.3°C | 58 mm | 88% | 3.4 m/s | 1.6 |
| 1990 | 14.7°C | 11.0°C | 7.3°C | 21.6°C | 1.9°C | 69 mm | 87% | 4.2 m/s | 1.5 |
| 1989 | 14.4°C | 10.9°C | 7.4°C | 17.6°C | 5.1°C | 76 mm | 88% | 3.8 m/s | 1.5 |
| 1988 | 13.2°C | 9.7°C | 6.2°C | 17.7°C | -1.9°C | 61 mm | 90% | 3.3 m/s | 1.6 |
| 1987 | 12.5°C | 8.7°C | 5.0°C | 19.0°C | -1.1°C | 137 mm | 90% | 3.2 m/s | 1.5 |
| 1986 | 13.7°C | 9.9°C | 6.2°C | 18.7°C | 2.6°C | 48 mm | 89% | 3.5 m/s | 1.7 |
| 1985 | 13.7°C | 10.3°C | 6.9°C | 23.7°C | 3.9°C | 43 mm | 90% | 2.7 m/s | 1.7 |
| 1984 | 14.2°C | 10.3°C | 6.5°C | 20.4°C | 0.6°C | 61 mm | 88% | 4 m/s | 1.7 |
| 1983 | 12.6°C | 9.2°C | 5.8°C | 20.1°C | -1.7°C | 61 mm | 88% | 4.3 m/s | — |
| 1982 | 12.7°C | 9.2°C | 5.8°C | 16.8°C | -0.4°C | 67 mm | 91% | 3.1 m/s | — |
| 1981 | 10.6°C | 7.2°C | 3.8°C | 17.2°C | -0.9°C | 97 mm | 89% | 3.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 13.6°C with lows near 6.5°C (mean 10.1°C), based on 45 years of NASA POWER data.
October averages 78 mm of rainfall in Arnold, a relatively wet time of year. The wettest on record was 141 mm in 2023.
The hottest October reached 25.3°C in 2011. The coldest dipped to -4°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 2.1°C. Daytime highs moved from 12.8°C to 14.9°C and overnight lows from 5.8°C to 7.6°C over the same span.
October is one of the warmer months of the year in Arnold and a relatively wet time of year, so plan for around 13.6°C daytime highs and 6.5°C at night.
Not quite — October is the 7th coolest month in Arnold, averaging 10.1°C.
For October in Arnold, pack warm layers and a jacket for chilly mornings, with typical highs of 13.6°C and lows of 6.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 89% — quite humid.
Average wind speed in October is 3.5 m/s. The windiest October on record averaged 4.8 m/s (1998).
The wettest October on record was 2023 with 141 mm. On average, October sees 78 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 Arnold 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.
