October is close to Gunnedah's year-round average, with average highs near 26.5°C and lows around 10.8°C (mean 18.7°C). It is about average for rainfall, averaging 57 mm of rainfall and 56% relative humidity across the period.
October is close to Gunnedah's year-round average. Across 45 years of records, the warmest October in Gunnedah was 2015 — when the month averaged 22°C — while the coldest was 1998 at 15.6°C. Typical October days reach 26.5°C with nights near 10.8°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Gunnedah, averaging 57 mm of rainfall. The wettest October on record was 2022 with 177 mm, while the driest was 2002 at 8 mm.
Relative humidity in Gunnedah during October averages 56%. The most humid October was 2022 at 77%, and the least humid was 2002 at 34%.
October receives about 6.4 kWh/m²/day of solar energy in Gunnedah. The sunniest October was 2023 at 7.4 kWh/m²/day, and the cloudiest was 2010 at 5.4.
Average wind speed in Gunnedah during October is 2.1 m/s. The windiest Octobers were 2002 and 2023 at 2.5 m/s, while the calmest were 1999 and 2020 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.8°C | 17.8°C | 19.1°C | 19.3°C | 19.5°C | +1.7°C |
| Avg High | 25.5°C | 25.5°C | 27.2°C | 27.3°C | 27.2°C | +1.7°C |
| Avg Low | 10.0°C | 10.1°C | 11.1°C | 11.4°C | 11.9°C | +1.9°C |
| Avg Rain | 52 mm | 63 mm | 58 mm | 46 mm | 73 mm | +21 mm |
October temperatures in Gunnedah have risen by about 1.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 2°C (2003) to a record high of 39.4°C (1988).
Rainfall in October is about average for rainfall, averaging 57 mm, with a wettest year of 177 mm.
A good time to visit Gunnedah
October is a good time to visit Gunnedah, with days averaging 26.5°C and nights around 10.8°C (mean 18.7°C, close to Gunnedah's yearly average) and moderate rainfall. November and March 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 | 30.0°C | 21.7°C | 13.3°C | 38.6°C | 5.9°C | 36 mm | 49% | 2.2 m/s | 6.6 |
| 2024 | 28.0°C | 20.1°C | 12.2°C | 33.5°C | 8.0°C | 42 mm | 56% | 2 m/s | 6.5 |
| 2023 | 29.3°C | 20.4°C | 11.6°C | 35.4°C | 6.2°C | 31 mm | 41% | 2.5 m/s | 7.4 |
| 2022 🌧️ | 22.6°C | 17.0°C | 11.3°C | 26.8°C | 5.3°C | 177 mm | 77% | 1.9 m/s | 5.5 |
| 2021 | 25.7°C | 18.1°C | 10.6°C | 33.8°C | 4.3°C | 62 mm | 60% | 2 m/s | 6.6 |
| 2020 | 27.4°C | 19.8°C | 12.2°C | 33.4°C | 7.3°C | 89 mm | 58% | 1.8 m/s | 6.3 |
| 2019 | 29.5°C | 20.9°C | 12.3°C | 37.3°C | 6.4°C | 20 mm | 39% | 2 m/s | 6.8 |
| 2018 | 27.6°C | 20.0°C | 12.4°C | 34.0°C | 6.6°C | 65 mm | 59% | 2 m/s | 6.1 |
| 2017 | 28.5°C | 20.6°C | 12.7°C | 33.3°C | 7.7°C | 71 mm | 56% | 2.1 m/s | 6.1 |
| 2016 | 23.9°C | 16.1°C | 8.3°C | 31.0°C | 3.3°C | 71 mm | 61% | 2.2 m/s | 6.6 |
| 2015 🔥 | 29.9°C | 22.0°C | 14.2°C | 35.4°C | 10.1°C | 44 mm | 54% | 1.9 m/s | 6.8 |
| 2014 | 29.5°C | 20.6°C | 11.7°C | 38.8°C | 4.9°C | 18 mm | 48% | 2.1 m/s | 7.1 |
| 2013 | 28.8°C | 19.8°C | 10.8°C | 34.4°C | 3.5°C | 13 mm | 41% | 2.4 m/s | 7.1 |
| 2012 | 27.7°C | 18.9°C | 10.1°C | 35.5°C | 3.7°C | 11 mm | 46% | 2.1 m/s | 6.9 |
| 2011 | 24.0°C | 17.2°C | 10.4°C | 29.6°C | 5.1°C | 58 mm | 67% | 1.9 m/s | 5.8 |
| 2010 | 23.5°C | 17.3°C | 11.1°C | 28.8°C | 2.3°C | 83 mm | 71% | 2.1 m/s | 5.4 |
| 2009 | 26.2°C | 18.6°C | 11.1°C | 35.2°C | 4.1°C | 55 mm | 54% | 2.2 m/s | 6.4 |
| 2008 | 27.3°C | 19.5°C | 11.7°C | 34.6°C | 3.7°C | 74 mm | 60% | 2.1 m/s | 6.8 |
| 2007 | 29.5°C | 20.7°C | 11.9°C | 33.6°C | 6.2°C | 50 mm | 46% | 2 m/s | 6.5 |
| 2006 | 29.0°C | 20.5°C | 12.0°C | 35.5°C | 6.6°C | 18 mm | 49% | 2.2 m/s | 6.7 |
| 2005 | 27.7°C | 20.0°C | 12.4°C | 32.9°C | 5.6°C | 77 mm | 57% | 2 m/s | 5.8 |
| 2004 | 26.8°C | 18.8°C | 10.8°C | 34.8°C | 6.1°C | 52 mm | 57% | 2.3 m/s | 6.5 |
| 2003 | 24.5°C | 16.9°C | 9.3°C | 32.8°C | 2.0°C | 69 mm | 59% | 2.2 m/s | 6.1 |
| 2002 | 30.0°C | 20.9°C | 11.9°C | 38.0°C | 5.9°C | 8 mm | 34% | 2.5 m/s | 7.1 |
| 2001 | 25.4°C | 17.4°C | 9.3°C | 31.5°C | 4.4°C | 58 mm | 54% | 2.2 m/s | 6.3 |
| 2000 | 25.3°C | 18.0°C | 10.7°C | 34.3°C | 5.1°C | 115 mm | 59% | 2.1 m/s | 5.9 |
| 1999 | 25.4°C | 18.7°C | 11.9°C | 30.3°C | 6.2°C | 150 mm | 68% | 1.8 m/s | 6.1 |
| 1998 ❄️ | 22.3°C | 15.6°C | 9.0°C | 27.8°C | 2.5°C | 85 mm | 73% | 1.9 m/s | 6.3 |
| 1997 | 25.8°C | 18.3°C | 10.7°C | 34.3°C | 5.4°C | 69 mm | 59% | 2.1 m/s | 6.4 |
| 1996 | 25.4°C | 17.6°C | 9.9°C | 30.7°C | 4.6°C | 45 mm | 61% | 1.9 m/s | 6.5 |
| 1995 | 26.6°C | 18.5°C | 10.4°C | 32.5°C | 4.7°C | 40 mm | 55% | 2.2 m/s | 6.3 |
| 1994 | 27.8°C | 18.9°C | 10.0°C | 34.1°C | 2.9°C | 17 mm | 39% | 2.3 m/s | 6.8 |
| 1993 | 23.4°C | 16.4°C | 9.4°C | 30.6°C | 2.9°C | 107 mm | 66% | 2.1 m/s | 6.2 |
| 1992 | 24.9°C | 16.8°C | 8.8°C | 30.8°C | 2.9°C | 41 mm | 60% | 2.1 m/s | 6.4 |
| 1991 | 28.3°C | 20.0°C | 11.8°C | 34.4°C | 8.0°C | 28 mm | 51% | 2 m/s | 6.8 |
| 1990 | 24.7°C | 17.1°C | 9.4°C | 33.5°C | 4.7°C | 48 mm | 64% | 2.2 m/s | 6.7 |
| 1989 | 26.3°C | 18.1°C | 9.9°C | 34.1°C | 3.8°C | 38 mm | 51% | 2.3 m/s | 6.5 |
| 1988 | 29.5°C | 20.5°C | 11.4°C | 39.4°C | 6.3°C | 9 mm | 47% | 2.3 m/s | 7.1 |
| 1987 | 24.3°C | 16.9°C | 9.4°C | 30.8°C | 4.4°C | 65 mm | 62% | 2.1 m/s | 5.9 |
| 1986 | 23.8°C | 16.1°C | 8.4°C | 33.4°C | 3.9°C | 33 mm | 57% | 2.2 m/s | 6.4 |
| 1985 | 24.1°C | 16.9°C | 9.8°C | 29.4°C | 3.8°C | 84 mm | 63% | 2.2 m/s | 6 |
| 1984 | 25.4°C | 17.7°C | 9.9°C | 32.1°C | 3.1°C | 30 mm | 59% | 2.1 m/s | 6.3 |
| 1983 | 24.8°C | 18.0°C | 11.2°C | 33.2°C | 4.4°C | 68 mm | 66% | 1.9 m/s | — |
| 1982 | 26.7°C | 18.1°C | 9.5°C | 37.5°C | 2.5°C | 25 mm | 45% | 2.4 m/s | — |
| 1981 | 25.0°C | 17.8°C | 10.6°C | 32.3°C | 4.2°C | 114 mm | 62% | 1.9 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 26.5°C with lows near 10.8°C (mean 18.7°C), based on 45 years of NASA POWER data.
October averages 57 mm of rainfall in Gunnedah, about average for rainfall. The wettest on record was 177 mm in 2022.
The hottest October reached 39.4°C in 1988. The coldest dipped to 2°C in 2003.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.8°C. Daytime highs moved from 25.2°C to 27.1°C and overnight lows from 10.2°C to 11.8°C over the same span.
October is close to Gunnedah's year-round average and about average for rainfall, so plan for around 26.5°C daytime highs and 10.8°C at night.
Not quite — October is the 7th coolest month in Gunnedah, averaging 18.7°C.
For October in Gunnedah, pack light layers you can adjust through the day, with typical highs of 26.5°C and lows of 10.8°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 56% — moderately humid.
Average wind speed in October is 2.1 m/s. The windiest October on record averaged 2.5 m/s (2002).
The wettest October on record was 2022 with 177 mm. On average, October sees 57 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 Gunnedah 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.
