October is close to Byron Bay's year-round average, with average highs near 22.3°C and lows around 19.4°C (mean 20.9°C). It is one of the drier months, averaging 81 mm of rainfall and 74% relative humidity across the period.
October is close to Byron Bay's year-round average. Across 45 years of records, the warmest October in Byron Bay was 1988 — when the month averaged 22.5°C — while the coldest was 1982 at 19.2°C. Typical October days reach 22.3°C with nights near 19.4°C. The long-term trend is warming, about 0.3°C per decade.
October is one of the drier months in Byron Bay, averaging 81 mm of rainfall. The wettest October on record was 2010 with 281 mm, while the driest was 2014 at 11 mm.
Relative humidity in Byron Bay during October averages 74%. The most humid October was 2017 at 79%, and the least humid was 2016 at 68%.
October receives about 5.9 kWh/m²/day of solar energy in Byron Bay. The sunniest October was 2014 at 6.8 kWh/m²/day, and the cloudiest was 2022 at 4.8.
Average wind speed in Byron Bay during October is 5.6 m/s. The windiest October was 2023 at 6.9 m/s, while the calmest was 1985 at 4.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.5°C | 20.5°C | 21.1°C | 21.0°C | 21.5°C | +1°C |
| Avg High | 22.1°C | 21.9°C | 22.6°C | 22.3°C | 22.8°C | +0.7°C |
| Avg Low | 18.9°C | 19.0°C | 19.7°C | 19.6°C | 20.2°C | +1.3°C |
| Avg Rain | 93 mm | 58 mm | 86 mm | 87 mm | 79 mm | -14 mm |
October temperatures in Byron Bay have risen by about 1.5°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 13°C (1981) to a record high of 30.6°C (2025).
Rainfall in October is one of the drier months, averaging 81 mm, with a wettest year of 281 mm.
One of the best times to visit Byron Bay
October is one of the best times to visit Byron Bay. Expect days averaging 22.3°C and nights around 19.4°C (mean 20.9°C) — close to Byron Bay's yearly average — with higher rainfall (81 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 23.7°C | 22.3°C | 20.9°C | 30.6°C | 18.9°C | 74 mm | 78% | 5.7 m/s | 6.2 |
| 2024 | 22.6°C | 21.3°C | 19.9°C | 26.1°C | 17.0°C | 104 mm | 77% | 5.6 m/s | 5.8 |
| 2023 | 23.1°C | 21.7°C | 20.4°C | 26.4°C | 18.5°C | 27 mm | 71% | 6.9 m/s | 6.3 |
| 2022 | 22.0°C | 20.9°C | 19.7°C | 26.2°C | 17.0°C | 112 mm | 76% | 5.4 m/s | 4.8 |
| 2021 | 23.0°C | 21.4°C | 19.8°C | 27.1°C | 17.9°C | 112 mm | 76% | 5.5 m/s | 5.7 |
| 2020 | 22.7°C | 21.5°C | 20.3°C | 24.3°C | 19.2°C | 46 mm | 75% | 5.3 m/s | 6 |
| 2019 | 22.0°C | 20.7°C | 19.4°C | 25.7°C | 16.2°C | 23 mm | 73% | 5.8 m/s | 6.4 |
| 2018 | 22.1°C | 20.9°C | 19.8°C | 26.2°C | 17.5°C | 164 mm | 79% | 5.2 m/s | 5.3 |
| 2017 | 23.0°C | 21.8°C | 20.5°C | 25.8°C | 18.1°C | 158 mm | 79% | 5.7 m/s | 4.9 |
| 2016 | 22.6°C | 21.0°C | 19.3°C | 25.5°C | 16.5°C | 28 mm | 68% | 5.7 m/s | 6.1 |
| 2015 | 22.7°C | 21.4°C | 20.1°C | 25.1°C | 18.8°C | 43 mm | 73% | 4.9 m/s | 6 |
| 2014 | 22.6°C | 21.1°C | 19.5°C | 26.3°C | 14.2°C | 11 mm | 73% | 5.8 m/s | 6.8 |
| 2013 | 23.1°C | 21.5°C | 19.9°C | 26.0°C | 16.5°C | 29 mm | 74% | 6.6 m/s | 6.3 |
| 2012 | 22.4°C | 20.7°C | 19.0°C | 26.9°C | 15.7°C | 32 mm | 72% | 5.8 m/s | 6.3 |
| 2011 | 21.4°C | 20.1°C | 18.8°C | 23.7°C | 14.3°C | 104 mm | 76% | 5.2 m/s | 5.2 |
| 2010 🌧️ | 21.4°C | 20.3°C | 19.2°C | 23.7°C | 13.3°C | 281 mm | 76% | 5 m/s | 4.9 |
| 2009 | 23.0°C | 21.3°C | 19.7°C | 27.3°C | 16.0°C | 69 mm | 70% | 5.8 m/s | 6.5 |
| 2008 | 21.9°C | 20.5°C | 19.2°C | 25.0°C | 14.7°C | 46 mm | 74% | 5.8 m/s | 6.3 |
| 2007 | 22.9°C | 21.5°C | 20.0°C | 25.6°C | 17.7°C | 87 mm | 78% | 5.9 m/s | 6.3 |
| 2006 | 21.5°C | 20.2°C | 19.0°C | 26.5°C | 17.9°C | 27 mm | 74% | 6 m/s | 6 |
| 2005 | 23.7°C | 22.3°C | 20.9°C | 28.9°C | 19.1°C | 164 mm | 79% | 5.7 m/s | 5.9 |
| 2004 | 23.3°C | 21.7°C | 20.1°C | 28.3°C | 18.3°C | 174 mm | 74% | 5.8 m/s | 6 |
| 2003 | 22.0°C | 20.6°C | 19.2°C | 27.7°C | 15.4°C | 104 mm | 76% | 5.7 m/s | 5.7 |
| 2002 | 22.7°C | 21.1°C | 19.6°C | 27.1°C | 17.1°C | 45 mm | 73% | 6.2 m/s | 6.2 |
| 2001 | 22.9°C | 21.1°C | 19.4°C | 29.3°C | 17.7°C | 65 mm | 71% | 5.4 m/s | 6.1 |
| 2000 | 21.9°C | 20.7°C | 19.6°C | 26.0°C | 17.5°C | 81 mm | 74% | 6 m/s | 5.6 |
| 1999 | 22.1°C | 20.9°C | 19.7°C | 24.0°C | 18.1°C | 129 mm | 79% | 5.3 m/s | 5.8 |
| 1998 | 22.9°C | 21.3°C | 19.7°C | 27.3°C | 15.9°C | 39 mm | 73% | 5.5 m/s | 6.1 |
| 1997 | 21.6°C | 20.2°C | 18.9°C | 24.8°C | 16.8°C | 81 mm | 75% | 5.9 m/s | 5.9 |
| 1996 | 21.7°C | 20.2°C | 18.8°C | 25.9°C | 16.7°C | 38 mm | 73% | 5.9 m/s | 5.9 |
| 1995 | 22.0°C | 20.5°C | 19.0°C | 25.7°C | 16.9°C | 47 mm | 74% | 6.3 m/s | 5.8 |
| 1994 | 21.6°C | 20.0°C | 18.3°C | 25.6°C | 14.9°C | 40 mm | 71% | 5.4 m/s | 6.2 |
| 1993 | 21.8°C | 20.4°C | 19.0°C | 25.6°C | 16.7°C | 88 mm | 75% | 6.2 m/s | 5.5 |
| 1992 | 21.2°C | 19.9°C | 18.6°C | 24.7°C | 15.5°C | 29 mm | 71% | 5.9 m/s | 6 |
| 1991 | 22.4°C | 20.9°C | 19.5°C | 26.9°C | 17.5°C | 60 mm | 73% | 5.4 m/s | 5.9 |
| 1990 | 22.0°C | 20.4°C | 18.7°C | 25.4°C | 15.6°C | 34 mm | 75% | 6.1 m/s | 6.2 |
| 1989 | 22.7°C | 20.9°C | 19.0°C | 28.2°C | 16.4°C | 18 mm | 73% | 5.9 m/s | 6 |
| 1988 🔥 | 24.4°C | 22.5°C | 20.7°C | 28.0°C | 18.6°C | 14 mm | 76% | 5.4 m/s | 6.5 |
| 1987 | 21.7°C | 20.1°C | 18.4°C | 25.2°C | 15.6°C | 124 mm | 74% | 5.3 m/s | 5.6 |
| 1986 | 23.1°C | 21.3°C | 19.5°C | 26.6°C | 17.8°C | 72 mm | 71% | 5.2 m/s | 5.9 |
| 1985 | 21.6°C | 20.2°C | 18.8°C | 25.1°C | 17.3°C | 139 mm | 72% | 4.8 m/s | 5.9 |
| 1984 | 20.7°C | 19.5°C | 18.3°C | 24.8°C | 16.5°C | 167 mm | 76% | 5.5 m/s | 5.1 |
| 1983 | 22.3°C | 20.9°C | 19.6°C | 25.5°C | 15.4°C | 96 mm | 77% | 5 m/s | — |
| 1982 ❄️ | 20.9°C | 19.2°C | 17.5°C | 23.3°C | 13.7°C | 167 mm | 74% | 5.3 m/s | — |
| 1981 | 21.6°C | 20.1°C | 18.7°C | 25.8°C | 13.0°C | 44 mm | 72% | 5.4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 22.3°C with lows near 19.4°C (mean 20.9°C), based on 45 years of NASA POWER data.
October averages 81 mm of rainfall in Byron Bay, one of the drier months. The wettest on record was 281 mm in 2010.
The hottest October reached 30.6°C in 2025. The coldest dipped to 13°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.5°C. Daytime highs moved from 21.4°C to 22.9°C and overnight lows from 18.6°C to 20.1°C over the same span.
October is close to Byron Bay's year-round average and one of the drier months, so plan for around 22.3°C daytime highs and 19.4°C at night.
Not quite — October is the 6th coolest month in Byron Bay, averaging 20.9°C.
For October in Byron Bay, pack light layers you can adjust through the day, with typical highs of 22.3°C and lows of 19.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 74% — moderately humid.
Average wind speed in October is 5.6 m/s. The windiest October on record averaged 6.9 m/s (2023).
The wettest October on record was 2010 with 281 mm. On average, October sees 81 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 Byron Bay 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.
