October is one of the cooler months of the year in Port Lincoln, with average highs near 19.9°C and lows around 11.9°C (mean 15.9°C). It is about average for rainfall, averaging 27 mm of rainfall and 67% relative humidity across the period.
October is one of the cooler months of the year in Port Lincoln. Across 45 years of records, the warmest Octobers in Port Lincoln were 2015 and 2024 — when the month averaged 18.1°C — while the coldest were 1986 and 2003 at 13.9°C. Typical October days reach 19.9°C with nights near 11.9°C. The long-term trend is warming, about 0.4°C per decade.
October is about average for rainfall in Port Lincoln, averaging 27 mm of rainfall. The wettest October on record was 2022 with 87 mm, while the driest was 2006 at 1 mm.
Relative humidity in Port Lincoln during October averages 67%. The most humid October was 1992 at 76%, and the least humid was 2006 at 58%.
October receives about 5.9 kWh/m²/day of solar energy in Port Lincoln. The sunniest October was 2006 at 6.6 kWh/m²/day, and the cloudiest was 2011 at 4.9.
Average wind speed in Port Lincoln during October is 5.5 m/s. The windiest October was 2016 at 6.5 m/s, while the calmest was 2004 at 4.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.2°C | 15.7°C | 15.6°C | 16.6°C | 16.5°C | +1.3°C |
| Avg High | 19.2°C | 19.6°C | 19.5°C | 21.0°C | 20.4°C | +1.2°C |
| Avg Low | 11.1°C | 11.8°C | 11.7°C | 12.3°C | 12.6°C | +1.5°C |
| Avg Rain | 24 mm | 35 mm | 29 mm | 15 mm | 34 mm | +10 mm |
October temperatures in Port Lincoln have risen by about 1.3°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 7.1°C (1982) to a record high of 35.2°C (1987).
Rainfall in October is about average for rainfall, averaging 27 mm, with a wettest year of 87 mm.
A good time to visit Port Lincoln
October is a good time to visit Port Lincoln, with days averaging 19.9°C and nights around 11.9°C (mean 15.9°C, close to Port Lincoln's yearly average) and low rainfall. February and January 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 | 20.9°C | 17.0°C | 13.2°C | 30.8°C | 11.1°C | 30 mm | 67% | 5.6 m/s | 5.4 |
| 2024 | 22.5°C | 18.1°C | 13.7°C | 32.2°C | 10.6°C | 22 mm | 64% | 4.8 m/s | 6.4 |
| 2023 | 20.2°C | 16.2°C | 12.2°C | 30.9°C | 10.1°C | 13 mm | 62% | 5.6 m/s | 6.4 |
| 2022 🌧️ | 19.4°C | 16.0°C | 12.6°C | 25.9°C | 9.8°C | 87 mm | 72% | 5.4 m/s | 5.4 |
| 2021 | 19.8°C | 15.7°C | 11.6°C | 31.0°C | 8.5°C | 16 mm | 64% | 5.9 m/s | 6.1 |
| 2020 | 19.8°C | 16.0°C | 12.1°C | 30.5°C | 8.4°C | 37 mm | 69% | 5.6 m/s | 5.5 |
| 2019 | 22.6°C | 17.7°C | 12.9°C | 34.6°C | 10.2°C | 2 mm | 58% | 5.5 m/s | 6.2 |
| 2018 | 21.3°C | 17.2°C | 13.0°C | 30.7°C | 10.7°C | 6 mm | 61% | 5.2 m/s | 5.8 |
| 2017 | 21.3°C | 17.0°C | 12.7°C | 31.4°C | 10.2°C | 3 mm | 64% | 5.6 m/s | 6 |
| 2016 | 19.9°C | 15.6°C | 11.3°C | 31.7°C | 7.4°C | 3 mm | 61% | 6.5 m/s | 6.1 |
| 2015 🔥 | 23.0°C | 18.1°C | 13.3°C | 32.1°C | 10.8°C | 7 mm | 63% | 5.1 m/s | 6.2 |
| 2014 | 22.4°C | 17.7°C | 12.9°C | 31.6°C | 9.9°C | 3 mm | 63% | 4.8 m/s | 6.3 |
| 2013 | 20.2°C | 15.9°C | 11.7°C | 29.3°C | 8.8°C | 22 mm | 66% | 5.6 m/s | 6.1 |
| 2012 | 20.9°C | 16.2°C | 11.6°C | 30.7°C | 9.1°C | 12 mm | 64% | 4.9 m/s | 6.4 |
| 2011 | 19.5°C | 15.9°C | 12.3°C | 28.7°C | 9.1°C | 48 mm | 71% | 4.9 m/s | 4.9 |
| 2010 | 19.0°C | 15.1°C | 11.1°C | 27.2°C | 8.2°C | 47 mm | 70% | 4.8 m/s | 5.9 |
| 2009 | 19.0°C | 15.3°C | 11.7°C | 30.4°C | 9.4°C | 18 mm | 68% | 5.6 m/s | 5.9 |
| 2008 | 21.2°C | 16.8°C | 12.5°C | 30.1°C | 9.4°C | 7 mm | 62% | 5.1 m/s | 6.1 |
| 2007 | 20.1°C | 15.9°C | 11.6°C | 31.4°C | 9.5°C | 33 mm | 65% | 5.8 m/s | 5.6 |
| 2006 | 20.8°C | 16.3°C | 11.9°C | 30.5°C | 9.5°C | 1 mm | 58% | 5.5 m/s | 6.6 |
| 2005 | 19.6°C | 15.7°C | 11.8°C | 29.0°C | 8.3°C | 69 mm | 73% | 5.9 m/s | 5.7 |
| 2004 | 21.3°C | 16.8°C | 12.3°C | 31.0°C | 9.6°C | 5 mm | 66% | 4.7 m/s | 6.1 |
| 2003 | 17.2°C | 13.9°C | 10.7°C | 29.2°C | 8.9°C | 24 mm | 71% | 5.7 m/s | 5.6 |
| 2002 | 19.2°C | 15.4°C | 11.7°C | 26.9°C | 9.2°C | 30 mm | 66% | 6.3 m/s | 5.6 |
| 2001 | 17.3°C | 14.3°C | 11.2°C | 25.3°C | 9.2°C | 47 mm | 69% | 6 m/s | 5.2 |
| 2000 | 19.2°C | 15.6°C | 12.0°C | 27.1°C | 10.0°C | 58 mm | 69% | 5.2 m/s | 5.8 |
| 1999 | 20.5°C | 16.6°C | 12.7°C | 30.7°C | 9.9°C | 49 mm | 67% | 5.5 m/s | 6 |
| 1998 | 19.0°C | 15.3°C | 11.6°C | 30.4°C | 9.2°C | 25 mm | 67% | 5 m/s | 5.8 |
| 1997 | 19.3°C | 15.8°C | 12.2°C | 30.3°C | 9.6°C | 40 mm | 70% | 5.4 m/s | 5.6 |
| 1996 | 19.7°C | 15.5°C | 11.3°C | 29.7°C | 9.2°C | 20 mm | 67% | 5 m/s | 6.1 |
| 1995 | 19.3°C | 15.3°C | 11.4°C | 31.5°C | 8.7°C | 20 mm | 69% | 6 m/s | 5.8 |
| 1994 | 20.1°C | 16.1°C | 12.1°C | 32.9°C | 9.3°C | 30 mm | 65% | 5.4 m/s | 6 |
| 1993 | 19.4°C | 15.5°C | 11.7°C | 29.2°C | 8.7°C | 53 mm | 67% | 5.9 m/s | 5.9 |
| 1992 | 18.6°C | 15.0°C | 11.4°C | 27.2°C | 9.2°C | 74 mm | 76% | 5 m/s | 5.2 |
| 1991 | 20.3°C | 16.0°C | 11.7°C | 29.7°C | 9.8°C | 10 mm | 66% | 5 m/s | 6 |
| 1990 | 20.1°C | 15.8°C | 11.5°C | 32.3°C | 8.4°C | 30 mm | 69% | 6 m/s | 6 |
| 1989 | 18.4°C | 14.7°C | 11.0°C | 27.6°C | 7.9°C | 18 mm | 70% | 6 m/s | 6 |
| 1988 | 20.4°C | 16.2°C | 12.0°C | 28.7°C | 10.5°C | 10 mm | 65% | 5.9 m/s | 6.3 |
| 1987 | 19.4°C | 15.4°C | 11.3°C | 35.2°C | 8.7°C | 21 mm | 66% | 5.3 m/s | 6.1 |
| 1986 ❄️ | 17.6°C | 13.9°C | 10.3°C | 27.2°C | 8.8°C | 43 mm | 68% | 6.2 m/s | 5.6 |
| 1985 | 18.7°C | 15.1°C | 11.4°C | 26.6°C | 8.9°C | 38 mm | 69% | 5.4 m/s | 5.9 |
| 1984 | 19.7°C | 15.5°C | 11.2°C | 27.4°C | 8.8°C | 31 mm | 69% | 5.1 m/s | 5.9 |
| 1983 | 19.1°C | 15.0°C | 10.8°C | 33.6°C | 8.4°C | 19 mm | 71% | 5 m/s | — |
| 1982 | 19.3°C | 15.2°C | 11.2°C | 28.7°C | 7.1°C | 12 mm | 64% | 5.2 m/s | — |
| 1981 | 20.1°C | 15.6°C | 11.1°C | 29.4°C | 8.6°C | 24 mm | 67% | 5.6 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 19.9°C with lows near 11.9°C (mean 15.9°C), based on 45 years of NASA POWER data.
October averages 27 mm of rainfall in Port Lincoln, about average for rainfall. The wettest on record was 87 mm in 2022.
The hottest October reached 35.2°C in 1987. The coldest dipped to 7.1°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 1.3°C. Daytime highs moved from 19.4°C to 20.6°C and overnight lows from 11.1°C to 12.7°C over the same span.
October is one of the cooler months of the year in Port Lincoln and about average for rainfall, so plan for around 19.9°C daytime highs and 11.9°C at night.
Not quite — October is the 6th coolest month in Port Lincoln, averaging 15.9°C.
For October in Port Lincoln, pack light layers you can adjust through the day, with typical highs of 19.9°C and lows of 11.9°C.
Relative humidity in October averages 67% — moderately humid.
Average wind speed in October is 5.5 m/s. The windiest October on record averaged 6.5 m/s (2016).
The wettest October on record was 2022 with 87 mm. On average, October sees 27 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 Lincoln 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.
