October is close to Port Augusta's year-round average, with average highs near 26.3°C and lows around 11.4°C (mean 18.9°C). It is about average for rainfall, averaging 22 mm of rainfall and 49% relative humidity across the period.
October is close to Port Augusta's year-round average. Across 45 years of records, the warmest October in Port Augusta was 2015 — when the month averaged 22.8°C — while the coldest was 2001 at 15.8°C. Typical October days reach 26.3°C with nights near 11.4°C. The long-term trend is warming, about 0.6°C per decade.
October is about average for rainfall in Port Augusta, averaging 22 mm of rainfall. The wettest October on record was 1992 with 88 mm, while the driest were 2016, 2017 and 2019 at 0 mm.
Relative humidity in Port Augusta during October averages 49%. The most humid October was 1992 at 63%, and the least humid was 2019 at 37%.
October receives about 6.6 kWh/m²/day of solar energy in Port Augusta. The sunniest October was 2023 at 7.3 kWh/m²/day, and the cloudiest was 2022 at 5.3.
Average wind speed in Port Augusta during October is 3.7 m/s. The windiest October was 2016 at 4.4 m/s, while the calmest was 1992 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.0°C | 18.4°C | 18.5°C | 19.9°C | 19.6°C | +1.6°C |
| Avg High | 25.6°C | 25.8°C | 26.1°C | 27.6°C | 26.7°C | +1.1°C |
| Avg Low | 10.4°C | 11.1°C | 10.9°C | 12.2°C | 12.5°C | +2.1°C |
| Avg Rain | 22 mm | 32 mm | 16 mm | 13 mm | 26 mm | +4 mm |
October temperatures in Port Augusta have risen by about 1.5°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 4.6°C (1993) to a record high of 40.1°C (2019).
Rainfall in October is about average for rainfall, averaging 22 mm, with a wettest year of 88 mm.
A good time to visit Port Augusta
October is a good time to visit Port Augusta, with days averaging 26.3°C and nights around 11.4°C (mean 18.9°C, close to Port Augusta's yearly average) and low 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 | 28.0°C | 20.7°C | 13.5°C | 39.2°C | 8.5°C | 7 mm | 48% | 3.5 m/s | 6.3 |
| 2024 | 29.4°C | 21.7°C | 14.0°C | 37.9°C | 9.5°C | 13 mm | 44% | 3.4 m/s | 6.7 |
| 2023 | 26.8°C | 19.4°C | 12.0°C | 36.9°C | 7.1°C | 11 mm | 44% | 3.7 m/s | 7.3 |
| 2022 | 24.2°C | 18.2°C | 12.2°C | 31.9°C | 7.4°C | 71 mm | 60% | 3.5 m/s | 5.3 |
| 2021 | 25.8°C | 18.4°C | 11.1°C | 36.1°C | 6.6°C | 12 mm | 47% | 4 m/s | 6.8 |
| 2020 | 26.2°C | 19.2°C | 12.1°C | 34.5°C | 7.2°C | 45 mm | 52% | 3.6 m/s | 5.7 |
| 2019 | 29.6°C | 21.4°C | 13.2°C | 40.1°C | 7.7°C | 0 mm | 37% | 3.6 m/s | 7.1 |
| 2018 | 28.3°C | 20.8°C | 13.3°C | 38.6°C | 7.2°C | 2 mm | 42% | 3.7 m/s | 6.2 |
| 2017 | 27.8°C | 20.2°C | 12.5°C | 36.4°C | 7.0°C | 0 mm | 47% | 4 m/s | 6.8 |
| 2016 | 25.3°C | 17.4°C | 9.6°C | 33.4°C | 4.6°C | 0 mm | 47% | 4.4 m/s | 6.7 |
| 2015 🔥 | 30.9°C | 22.8°C | 14.7°C | 37.0°C | 9.2°C | 4 mm | 43% | 3.3 m/s | 6.5 |
| 2014 | 30.0°C | 21.5°C | 13.1°C | 38.1°C | 6.7°C | 3 mm | 43% | 3.5 m/s | 7 |
| 2013 | 26.3°C | 18.7°C | 11.1°C | 38.1°C | 7.4°C | 7 mm | 47% | 4.1 m/s | 7 |
| 2012 | 27.7°C | 19.5°C | 11.4°C | 36.8°C | 6.4°C | 12 mm | 44% | 3.7 m/s | 7 |
| 2011 | 25.2°C | 18.6°C | 12.0°C | 34.5°C | 5.6°C | 40 mm | 57% | 3.3 m/s | 5.9 |
| 2010 | 24.4°C | 17.6°C | 10.8°C | 33.2°C | 6.9°C | 62 mm | 58% | 3.6 m/s | 6.2 |
| 2009 | 25.5°C | 18.2°C | 10.9°C | 37.8°C | 5.6°C | 30 mm | 54% | 3.6 m/s | 6.6 |
| 2008 | 28.0°C | 20.2°C | 12.3°C | 36.2°C | 7.2°C | 2 mm | 42% | 3.7 m/s | 7 |
| 2007 | 27.5°C | 19.7°C | 11.8°C | 37.1°C | 7.8°C | 17 mm | 45% | 4.1 m/s | 6.5 |
| 2006 | 28.4°C | 20.0°C | 11.7°C | 38.6°C | 7.3°C | 1 mm | 38% | 4.1 m/s | 7.1 |
| 2005 | 26.6°C | 19.1°C | 11.5°C | 33.2°C | 6.2°C | 41 mm | 55% | 3.7 m/s | 6.1 |
| 2004 | 27.9°C | 20.0°C | 12.2°C | 39.3°C | 8.0°C | 1 mm | 46% | 3.5 m/s | 6.8 |
| 2003 | 23.2°C | 16.1°C | 9.0°C | 33.4°C | 4.8°C | 22 mm | 56% | 3.8 m/s | 6.5 |
| 2002 | 26.6°C | 18.4°C | 10.3°C | 34.8°C | 6.5°C | 3 mm | 44% | 4.2 m/s | 6.8 |
| 2001 ❄️ | 22.7°C | 15.8°C | 8.9°C | 32.8°C | 6.1°C | 28 mm | 59% | 3.7 m/s | 6.4 |
| 2000 | 24.8°C | 17.8°C | 10.8°C | 35.5°C | 6.5°C | 19 mm | 54% | 3.5 m/s | 6.5 |
| 1999 | 26.5°C | 19.2°C | 11.9°C | 36.3°C | 6.5°C | 34 mm | 51% | 3.7 m/s | 6.5 |
| 1998 | 25.3°C | 18.4°C | 11.5°C | 39.7°C | 7.5°C | 22 mm | 52% | 3.7 m/s | 6.1 |
| 1997 | 25.8°C | 18.7°C | 11.6°C | 35.3°C | 8.0°C | 54 mm | 53% | 3.4 m/s | 6.6 |
| 1996 | 25.7°C | 17.7°C | 9.8°C | 35.6°C | 5.5°C | 11 mm | 52% | 3.8 m/s | 7 |
| 1995 | 25.7°C | 18.4°C | 11.1°C | 37.2°C | 6.2°C | 29 mm | 52% | 4 m/s | 6.5 |
| 1994 | 26.7°C | 19.1°C | 11.4°C | 35.8°C | 5.4°C | 10 mm | 47% | 3.8 m/s | 7 |
| 1993 | 24.4°C | 17.3°C | 10.3°C | 34.3°C | 4.6°C | 52 mm | 53% | 3.8 m/s | 6.5 |
| 1992 🌧️ | 23.6°C | 17.1°C | 10.5°C | 32.0°C | 5.6°C | 88 mm | 63% | 3.1 m/s | 5.8 |
| 1991 | 27.4°C | 19.6°C | 11.7°C | 34.8°C | 7.9°C | 3 mm | 47% | 3.8 m/s | 7 |
| 1990 | 26.5°C | 18.8°C | 11.2°C | 36.5°C | 7.0°C | 14 mm | 48% | 3.9 m/s | 6.9 |
| 1989 | 24.8°C | 17.3°C | 9.8°C | 32.8°C | 5.4°C | 5 mm | 52% | 3.9 m/s | 6.6 |
| 1988 | 28.5°C | 20.1°C | 11.7°C | 38.1°C | 7.7°C | 9 mm | 44% | 3.7 m/s | 6.8 |
| 1987 | 25.6°C | 17.9°C | 10.2°C | 39.1°C | 5.5°C | 12 mm | 50% | 3.7 m/s | 7 |
| 1986 | 22.7°C | 15.9°C | 9.1°C | 31.4°C | 5.4°C | 52 mm | 55% | 4.1 m/s | 6.1 |
| 1985 | 24.5°C | 17.5°C | 10.4°C | 33.6°C | 6.6°C | 38 mm | 54% | 4 m/s | 6.6 |
| 1984 | 25.8°C | 18.2°C | 10.6°C | 32.8°C | 6.4°C | 35 mm | 51% | 3.6 m/s | 6.5 |
| 1983 | 26.1°C | 18.7°C | 11.3°C | 37.8°C | 6.2°C | 31 mm | 53% | 3.7 m/s | — |
| 1982 | 26.0°C | 18.3°C | 10.6°C | 36.6°C | 5.3°C | 4 mm | 44% | 3.8 m/s | — |
| 1981 | 26.2°C | 18.2°C | 10.2°C | 34.0°C | 6.2°C | 12 mm | 47% | 4 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 26.3°C with lows near 11.4°C (mean 18.9°C), based on 45 years of NASA POWER data.
October averages 22 mm of rainfall in Port Augusta, about average for rainfall. The wettest on record was 88 mm in 1992.
The hottest October reached 40.1°C in 2019. The coldest dipped to 4.6°C in 1993.
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 25.7°C to 26.8°C and overnight lows from 10.6°C to 12.6°C over the same span.
October is close to Port Augusta's year-round average and about average for rainfall, so plan for around 26.3°C daytime highs and 11.4°C at night.
Not quite — October is the 6th coolest month in Port Augusta, averaging 18.9°C.
For October in Port Augusta, pack light layers you can adjust through the day, with typical highs of 26.3°C and lows of 11.4°C.
Relative humidity in October averages 49% — relatively dry.
Average wind speed in October is 3.7 m/s. The windiest October on record averaged 4.4 m/s (2016).
The wettest October on record was 1992 with 88 mm. On average, October sees 22 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 Port Augusta 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.
