October is close to Muswellbrook's year-round average, with average highs near 24.2°C and lows around 10.3°C (mean 17.3°C). It is about average for rainfall, averaging 65 mm of rainfall and 61% relative humidity across the period.
October is close to Muswellbrook's year-round average. Across 45 years of records, the warmest October in Muswellbrook was 2015 — when the month averaged 20.5°C — while the coldest were 1986 and 1998 at 15°C. Typical October days reach 24.2°C with nights near 10.3°C. The long-term trend is warming, about 0.5°C per decade.
October is about average for rainfall in Muswellbrook, averaging 65 mm of rainfall. The wettest October on record was 1985 with 194 mm, while the driest was 1988 at 5 mm.
Relative humidity in Muswellbrook during October averages 61%. The most humid October was 2022 at 83%, and the least humid was 2002 at 41%.
October receives about 6 kWh/m²/day of solar energy in Muswellbrook. The sunniest October was 2013 at 7.1 kWh/m²/day, and the cloudiest was 2010 at 4.9.
Average wind speed in Muswellbrook during October is 0.8 m/s. The windiest Octobers were 1988, 2002 and 2016 at 1 m/s, while the calmest were 1999, 2011 and 2022, among others at 0.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.4°C | 16.6°C | 17.5°C | 18.0°C | 18.0°C | +1.6°C |
| Avg High | 23.3°C | 23.4°C | 24.5°C | 25.2°C | 24.8°C | +1.5°C |
| Avg Low | 9.5°C | 9.7°C | 10.5°C | 10.7°C | 11.2°C | +1.7°C |
| Avg Rain | 83 mm | 58 mm | 63 mm | 49 mm | 77 mm | -6 mm |
October temperatures in Muswellbrook have risen by about 1.6°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 1.7°C (1982) to a record high of 38.7°C (1988).
Rainfall in October is about average for rainfall, averaging 65 mm, with a wettest year of 194 mm.
A good time to visit Muswellbrook
October is a good time to visit Muswellbrook, with days averaging 24.2°C and nights around 10.3°C (mean 17.3°C, close to Muswellbrook's yearly average) and moderate rainfall. December and February 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 | 27.6°C | 20.0°C | 12.4°C | 35.5°C | 6.4°C | 32 mm | 54% | 0.9 m/s | 6 |
| 2024 | 25.2°C | 18.1°C | 11.1°C | 32.1°C | 8.0°C | 41 mm | 60% | 0.8 m/s | 5.8 |
| 2023 | 27.0°C | 19.0°C | 10.9°C | 34.1°C | 6.7°C | 42 mm | 47% | 0.9 m/s | 6.6 |
| 2022 | 20.0°C | 15.5°C | 11.0°C | 23.6°C | 6.4°C | 143 mm | 83% | 0.7 m/s | 5 |
| 2021 | 23.7°C | 16.9°C | 10.1°C | 31.6°C | 4.2°C | 81 mm | 62% | 0.8 m/s | 6.1 |
| 2020 | 25.0°C | 18.3°C | 11.6°C | 31.5°C | 7.3°C | 124 mm | 65% | 0.8 m/s | 5.6 |
| 2019 | 27.2°C | 18.9°C | 10.7°C | 33.6°C | 6.3°C | 19 mm | 48% | 0.8 m/s | 6.5 |
| 2018 | 24.5°C | 18.0°C | 11.5°C | 33.4°C | 6.0°C | 81 mm | 68% | 0.8 m/s | 5.5 |
| 2017 | 26.4°C | 19.4°C | 12.4°C | 31.9°C | 8.3°C | 72 mm | 58% | 0.8 m/s | 5.7 |
| 2016 | 22.7°C | 15.6°C | 8.6°C | 30.0°C | 4.2°C | 61 mm | 60% | 1 m/s | 6.3 |
| 2015 🔥 | 28.0°C | 20.5°C | 13.0°C | 34.8°C | 8.6°C | 33 mm | 57% | 0.8 m/s | 5.8 |
| 2014 | 27.2°C | 19.1°C | 11.0°C | 36.3°C | 5.1°C | 30 mm | 53% | 0.8 m/s | 6.5 |
| 2013 | 27.3°C | 18.8°C | 10.3°C | 33.9°C | 4.9°C | 22 mm | 44% | 0.9 m/s | 7.1 |
| 2012 | 26.1°C | 17.8°C | 9.5°C | 33.3°C | 3.9°C | 10 mm | 50% | 0.8 m/s | 6.5 |
| 2011 | 20.8°C | 15.2°C | 9.5°C | 29.0°C | 5.2°C | 72 mm | 75% | 0.7 m/s | 5.4 |
| 2010 | 22.2°C | 16.5°C | 10.8°C | 28.0°C | 3.2°C | 89 mm | 73% | 0.9 m/s | 4.9 |
| 2009 | 23.0°C | 16.6°C | 10.2°C | 33.3°C | 5.3°C | 73 mm | 63% | 0.9 m/s | 5.5 |
| 2008 | 25.1°C | 18.0°C | 10.9°C | 34.6°C | 3.8°C | 75 mm | 63% | 0.8 m/s | 6 |
| 2007 | 26.8°C | 19.0°C | 11.2°C | 31.6°C | 5.9°C | 36 mm | 51% | 0.8 m/s | 6.4 |
| 2006 | 26.0°C | 18.4°C | 10.7°C | 34.0°C | 6.2°C | 12 mm | 55% | 0.9 m/s | 6.3 |
| 2005 | 24.9°C | 18.3°C | 11.7°C | 30.8°C | 5.8°C | 88 mm | 62% | 0.8 m/s | 5.3 |
| 2004 | 23.5°C | 16.9°C | 10.3°C | 33.9°C | 6.4°C | 127 mm | 64% | 0.8 m/s | 6.1 |
| 2003 | 22.0°C | 15.6°C | 9.2°C | 28.8°C | 2.9°C | 89 mm | 64% | 0.8 m/s | 5.7 |
| 2002 | 27.3°C | 19.2°C | 11.2°C | 35.4°C | 6.9°C | 5 mm | 41% | 1 m/s | 6.6 |
| 2001 | 23.6°C | 16.4°C | 9.1°C | 29.8°C | 4.5°C | 56 mm | 54% | 0.9 m/s | 6.4 |
| 2000 | 23.2°C | 16.8°C | 10.4°C | 32.8°C | 4.6°C | 67 mm | 62% | 0.9 m/s | 5.5 |
| 1999 | 23.0°C | 17.1°C | 11.3°C | 29.0°C | 7.3°C | 165 mm | 74% | 0.7 m/s | 5.5 |
| 1998 | 21.2°C | 15.0°C | 8.8°C | 26.6°C | 2.6°C | 72 mm | 74% | 0.8 m/s | 6.1 |
| 1997 | 24.6°C | 17.5°C | 10.3°C | 34.9°C | 6.3°C | 54 mm | 59% | 0.8 m/s | 6.2 |
| 1996 | 23.0°C | 16.2°C | 9.4°C | 28.4°C | 3.7°C | 47 mm | 66% | 0.8 m/s | 6 |
| 1995 | 24.2°C | 17.1°C | 9.9°C | 32.9°C | 4.7°C | 36 mm | 60% | 0.9 m/s | 5.8 |
| 1994 | 25.2°C | 17.1°C | 9.1°C | 31.9°C | 2.9°C | 26 mm | 48% | 0.9 m/s | 6.3 |
| 1993 | 22.1°C | 15.7°C | 9.2°C | 29.2°C | 3.6°C | 72 mm | 65% | 0.8 m/s | 5.9 |
| 1992 | 22.6°C | 15.9°C | 9.1°C | 27.8°C | 2.8°C | 33 mm | 64% | 0.8 m/s | 5.9 |
| 1991 | 26.5°C | 18.9°C | 11.3°C | 34.0°C | 7.6°C | 22 mm | 54% | 0.8 m/s | 6.4 |
| 1990 | 21.7°C | 15.2°C | 8.7°C | 32.9°C | 3.9°C | 55 mm | 72% | 0.8 m/s | 6 |
| 1989 | 23.6°C | 16.4°C | 9.2°C | 31.9°C | 4.7°C | 44 mm | 55% | 0.9 m/s | 6.4 |
| 1988 | 27.6°C | 19.3°C | 10.9°C | 38.7°C | 6.6°C | 5 mm | 47% | 1 m/s | 6.9 |
| 1987 | 21.9°C | 15.4°C | 8.9°C | 28.9°C | 3.3°C | 96 mm | 67% | 0.8 m/s | 5.7 |
| 1986 ❄️ | 21.7°C | 15.0°C | 8.3°C | 31.8°C | 4.1°C | 45 mm | 60% | 0.9 m/s | 6.1 |
| 1985 🌧️ | 20.8°C | 15.2°C | 9.7°C | 27.0°C | 5.9°C | 194 mm | 74% | 0.8 m/s | 5.6 |
| 1984 | 23.4°C | 16.4°C | 9.5°C | 31.7°C | 3.2°C | 69 mm | 62% | 0.8 m/s | 5.9 |
| 1983 | 23.5°C | 16.9°C | 10.3°C | 31.9°C | 3.8°C | 99 mm | 69% | 0.7 m/s | — |
| 1982 | 23.3°C | 15.9°C | 8.4°C | 33.7°C | 1.7°C | 64 mm | 59% | 0.9 m/s | — |
| 1981 | 23.7°C | 17.0°C | 10.3°C | 30.5°C | 4.4°C | 131 mm | 65% | 0.8 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 24.2°C with lows near 10.3°C (mean 17.3°C), based on 45 years of NASA POWER data.
October averages 65 mm of rainfall in Muswellbrook, about average for rainfall. The wettest on record was 194 mm in 1985.
The hottest October reached 38.7°C in 1988. The coldest dipped to 1.7°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.6°C. Daytime highs moved from 22.9°C to 24.7°C and overnight lows from 9.6°C to 11.1°C over the same span.
October is close to Muswellbrook's year-round average and about average for rainfall, so plan for around 24.2°C daytime highs and 10.3°C at night.
Not quite — October is the 7th coolest month in Muswellbrook, averaging 17.3°C.
For October in Muswellbrook, pack light layers you can adjust through the day, with typical highs of 24.2°C and lows of 10.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 61% — moderately humid.
Average wind speed in October is 0.8 m/s. The windiest October on record averaged 1 m/s (1988).
The wettest October on record was 1985 with 194 mm. On average, October sees 65 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 Muswellbrook 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.
