October is one of the warmer months of the year in Adelaide River, with average highs near 38.8°C and lows around 25.1°C (mean 32°C). It is one of the drier months, averaging 61 mm of rainfall and 53% relative humidity across the period.
October is one of the warmer months of the year in Adelaide River. Across 45 years of records, the warmest October in Adelaide River was 1987 — when the month averaged 33.7°C — while the coldest was 2010 at 29.5°C. Typical October days reach 38.8°C with nights near 25.1°C. The long-term trend is warming, about 0.2°C per decade.
October is one of the drier months in Adelaide River, averaging 61 mm of rainfall. The wettest October on record was 2010 with 199 mm, while the driest was 1982 at 3 mm.
Relative humidity in Adelaide River during October averages 53%. The most humid October was 2010 at 68%, and the least humid was 1982 at 42%.
October receives about 6.8 kWh/m²/day of solar energy in Adelaide River. The sunniest October was 2014 at 7.5 kWh/m²/day, and the cloudiest were 2000, 2010 and 2022, among others at 6.3.
Average wind speed in Adelaide River during October is 2.2 m/s. The windiest October was 2006 at 2.8 m/s, while the calmest were 1983, 1999 and 2001 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 31.8°C | 31.7°C | 32.3°C | 31.9°C | 32.4°C | +0.6°C |
| Avg High | 38.8°C | 38.5°C | 39.4°C | 38.7°C | 38.7°C | -0.1°C |
| Avg Low | 24.9°C | 24.8°C | 25.2°C | 25.2°C | 26.0°C | +1.1°C |
| Avg Rain | 55 mm | 77 mm | 46 mm | 61 mm | 69 mm | +14 mm |
October temperatures in Adelaide River have risen by about 1.1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 16.2°C (1982) to a record high of 43.7°C (2003).
Rainfall in October is one of the drier months, averaging 61 mm, with a wettest year of 199 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows rose 0.3°C per decade, narrowing the gap between day and night.
A good time to visit Adelaide River
October is a good time to visit Adelaide River, with days averaging 38.8°C and nights around 25.1°C (mean 32°C, warmer than Adelaide River's yearly average) and moderate rainfall. June and July 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 | 38.4°C | 32.1°C | 25.8°C | 41.2°C | 24.0°C | 94 mm | 59% | 2 m/s | 6.6 |
| 2024 | 39.8°C | 33.2°C | 26.5°C | 42.5°C | 23.8°C | 61 mm | 53% | 2.2 m/s | 6.7 |
| 2023 | 41.0°C | 33.6°C | 26.3°C | 42.9°C | 24.9°C | 8 mm | 44% | 2.4 m/s | 7.1 |
| 2022 | 37.0°C | 31.2°C | 25.3°C | 40.9°C | 22.6°C | 88 mm | 65% | 1.9 m/s | 6.3 |
| 2021 | 38.7°C | 32.8°C | 26.8°C | 41.4°C | 25.4°C | 55 mm | 56% | 2 m/s | 6.4 |
| 2020 | 37.3°C | 31.2°C | 25.1°C | 39.7°C | 23.3°C | 108 mm | 62% | 2 m/s | 6.6 |
| 2019 | 40.5°C | 32.7°C | 25.0°C | 43.7°C | 23.4°C | 10 mm | 46% | 2.4 m/s | 7.2 |
| 2018 | 39.9°C | 32.9°C | 26.0°C | 41.6°C | 20.8°C | 10 mm | 49% | 2.4 m/s | 6.9 |
| 2017 | 39.1°C | 32.8°C | 26.6°C | 41.5°C | 25.1°C | 58 mm | 56% | 2.2 m/s | 6.8 |
| 2016 | 38.8°C | 32.3°C | 25.7°C | 41.2°C | 21.0°C | 37 mm | 50% | 2.3 m/s | 6.7 |
| 2015 | 39.1°C | 31.8°C | 24.5°C | 41.0°C | 21.8°C | 22 mm | 47% | 2.7 m/s | 6.9 |
| 2014 | 40.3°C | 32.5°C | 24.6°C | 41.5°C | 22.4°C | 11 mm | 44% | 2.5 m/s | 7.5 |
| 2013 | 38.2°C | 31.6°C | 25.1°C | 41.8°C | 22.6°C | 102 mm | 57% | 1.9 m/s | 6.6 |
| 2012 | 38.2°C | 31.4°C | 24.6°C | 40.1°C | 17.8°C | 44 mm | 54% | 2.1 m/s | 7 |
| 2011 | 38.2°C | 31.8°C | 25.4°C | 41.6°C | 23.2°C | 115 mm | 57% | 2.1 m/s | 6.7 |
| 2010 ❄️ 🌧️ | 34.7°C | 29.5°C | 24.2°C | 40.7°C | 19.7°C | 199 mm | 68% | 2.1 m/s | 6.3 |
| 2009 | 39.5°C | 32.2°C | 24.8°C | 42.1°C | 19.0°C | 29 mm | 44% | 2.5 m/s | 7.3 |
| 2008 | 39.2°C | 32.3°C | 25.4°C | 41.4°C | 23.4°C | 69 mm | 54% | 2.3 m/s | 7.1 |
| 2007 | 38.9°C | 32.0°C | 25.1°C | 41.6°C | 21.1°C | 65 mm | 53% | 2 m/s | 6.9 |
| 2006 | 39.3°C | 31.6°C | 23.9°C | 41.1°C | 21.9°C | 5 mm | 44% | 2.8 m/s | 7.2 |
| 2005 | 39.3°C | 32.7°C | 26.1°C | 41.8°C | 23.3°C | 64 mm | 53% | 2.1 m/s | 6.6 |
| 2004 | 40.3°C | 32.9°C | 25.5°C | 42.9°C | 23.1°C | 32 mm | 48% | 2.2 m/s | 6.9 |
| 2003 | 40.3°C | 32.9°C | 25.4°C | 43.7°C | 21.9°C | 21 mm | 45% | 2.2 m/s | 7 |
| 2002 | 41.0°C | 33.2°C | 25.4°C | 43.4°C | 19.9°C | 14 mm | 46% | 2.4 m/s | 7.2 |
| 2001 | 38.4°C | 32.0°C | 25.7°C | 41.0°C | 24.6°C | 72 mm | 57% | 1.8 m/s | 6.5 |
| 2000 | 37.4°C | 30.9°C | 24.3°C | 40.8°C | 17.8°C | 92 mm | 59% | 2.1 m/s | 6.3 |
| 1999 | 36.8°C | 30.9°C | 25.0°C | 40.5°C | 23.4°C | 133 mm | 61% | 1.8 m/s | 6.3 |
| 1998 | 37.8°C | 31.9°C | 25.9°C | 41.3°C | 23.1°C | 127 mm | 61% | 1.9 m/s | 6.4 |
| 1997 | 37.6°C | 30.9°C | 24.1°C | 39.4°C | 22.9°C | 75 mm | 57% | 1.9 m/s | 6.8 |
| 1996 | 37.8°C | 31.2°C | 24.6°C | 41.9°C | 21.1°C | 127 mm | 59% | 2.1 m/s | 6.8 |
| 1995 | 37.2°C | 30.8°C | 24.4°C | 39.8°C | 20.9°C | 95 mm | 59% | 1.9 m/s | 6.3 |
| 1994 | 39.6°C | 32.0°C | 24.5°C | 41.3°C | 22.8°C | 35 mm | 49% | 2.4 m/s | 7.4 |
| 1993 | 39.3°C | 32.2°C | 25.1°C | 41.4°C | 21.3°C | 38 mm | 50% | 2.4 m/s | 6.9 |
| 1992 | 37.8°C | 31.2°C | 24.5°C | 40.1°C | 20.7°C | 100 mm | 57% | 2.2 m/s | 6.5 |
| 1991 | 40.7°C | 32.7°C | 24.6°C | 43.3°C | 22.9°C | 14 mm | 44% | 2.4 m/s | 7.3 |
| 1990 | 40.4°C | 32.8°C | 25.3°C | 41.8°C | 23.1°C | 22 mm | 46% | 2.3 m/s | 7.3 |
| 1989 | 38.6°C | 32.0°C | 25.5°C | 41.0°C | 23.9°C | 69 mm | 56% | 2 m/s | 6.6 |
| 1988 | 39.1°C | 32.4°C | 25.7°C | 41.9°C | 24.6°C | 100 mm | 57% | 2 m/s | 6.7 |
| 1987 🔥 | 41.1°C | 33.7°C | 26.2°C | 43.1°C | 24.0°C | 20 mm | 45% | 2.3 m/s | 7.4 |
| 1986 | 36.8°C | 30.7°C | 24.6°C | 40.0°C | 22.8°C | 92 mm | 65% | 2.1 m/s | 7 |
| 1985 | 38.8°C | 31.6°C | 24.5°C | 40.8°C | 22.9°C | 54 mm | 53% | 2.5 m/s | 7.2 |
| 1984 | 40.2°C | 32.7°C | 25.2°C | 42.3°C | 21.4°C | 6 mm | 44% | 2.7 m/s | 7 |
| 1983 | 37.4°C | 31.2°C | 25.1°C | 40.4°C | 23.5°C | 105 mm | 59% | 1.8 m/s | — |
| 1982 | 39.5°C | 31.0°C | 22.6°C | 41.5°C | 16.2°C | 3 mm | 42% | 2.5 m/s | — |
| 1981 | 37.9°C | 31.1°C | 24.4°C | 41.4°C | 18.9°C | 45 mm | 55% | 2.2 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 38.8°C with lows near 25.1°C (mean 32°C), based on 45 years of NASA POWER data.
October averages 61 mm of rainfall in Adelaide River, one of the drier months. The wettest on record was 199 mm in 2010.
The hottest October reached 43.7°C in 2003. The coldest dipped to 16.2°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.1°C. Daytime highs moved from 38.8°C to 39°C and overnight lows from 24.4°C to 26.1°C over the same span.
October is one of the warmer months of the year in Adelaide River and one of the drier months, so plan for around 38.8°C daytime highs and 25.1°C at night.
Not quite — October is the 12th coolest month in Adelaide River, averaging 32°C.
For October in Adelaide River, pack light, breathable clothing and sun protection, with typical highs of 38.8°C and lows of 25.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in October averages 53% — relatively dry.
Average wind speed in October is 2.2 m/s. The windiest October on record averaged 2.8 m/s (2006).
The wettest October on record was 2010 with 199 mm. On average, October sees 61 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 Adelaide River 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.
