October is one of the cooler months of the year in Streaky Bay, with average highs near 21.7°C and lows around 12.3°C (mean 17°C). It is about average for rainfall, averaging 22 mm of rainfall and 63% relative humidity across the period.
October is one of the cooler months of the year in Streaky Bay. Across 45 years of records, the warmest October in Streaky Bay was 2015 — when the month averaged 19.6°C — while the coldest were 1986 and 2003 at 14.8°C. Typical October days reach 21.7°C with nights near 12.3°C. The long-term trend is warming, about 0.4°C per decade.
October is about average for rainfall in Streaky Bay, averaging 22 mm of rainfall. The wettest October on record was 1992 with 91 mm, while the driest were 2017 and 2019 at 0 mm.
Relative humidity in Streaky Bay during October averages 63%. The most humid October was 1992 at 73%, and the least humid was 2019 at 55%.
October receives about 6.5 kWh/m²/day of solar energy in Streaky Bay. The sunniest October was 2006 at 7.1 kWh/m²/day, and the cloudiest was 2011 at 5.2.
Average wind speed in Streaky Bay during October is 4.4 m/s. The windiest October was 2016 at 5.1 m/s, while the calmest were 2004, 2014 and 2024 at 3.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.3°C | 16.7°C | 16.7°C | 17.8°C | 17.6°C | +1.3°C |
| Avg High | 21.0°C | 21.3°C | 21.3°C | 22.9°C | 22.2°C | +1.2°C |
| Avg Low | 11.5°C | 12.2°C | 12.1°C | 12.7°C | 12.9°C | +1.4°C |
| Avg Rain | 20 mm | 34 mm | 20 mm | 14 mm | 23 mm | +3 mm |
October temperatures in Streaky Bay have risen by about 1°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 6.7°C (1982) to a record high of 36.1°C (1995).
Rainfall in October is about average for rainfall, averaging 22 mm, with a wettest year of 91 mm.
A good time to visit Streaky Bay
October is a good time to visit Streaky Bay, with days averaging 21.7°C and nights around 12.3°C (mean 17°C, close to Streaky Bay's yearly average) and low rainfall. January and February 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 | 22.5°C | 18.0°C | 13.6°C | 31.7°C | 10.7°C | 35 mm | 66% | 4.2 m/s | 6 |
| 2024 | 24.1°C | 18.9°C | 13.6°C | 32.8°C | 10.5°C | 16 mm | 63% | 3.9 m/s | 6.4 |
| 2023 | 21.8°C | 17.1°C | 12.4°C | 31.9°C | 9.0°C | 3 mm | 60% | 4.4 m/s | 7 |
| 2022 | 20.4°C | 16.6°C | 12.7°C | 26.7°C | 9.2°C | 50 mm | 70% | 4.2 m/s | 5.6 |
| 2021 | 21.8°C | 17.1°C | 12.3°C | 32.3°C | 8.5°C | 7 mm | 60% | 4.8 m/s | 6.7 |
| 2020 | 22.3°C | 17.6°C | 12.8°C | 31.3°C | 8.2°C | 25 mm | 61% | 4.4 m/s | 5.8 |
| 2019 | 24.8°C | 19.1°C | 13.4°C | 33.5°C | 9.2°C | 0 mm | 55% | 4.1 m/s | 6.9 |
| 2018 | 22.8°C | 18.0°C | 13.3°C | 33.7°C | 9.2°C | 5 mm | 61% | 4.1 m/s | 6.1 |
| 2017 | 22.5°C | 17.7°C | 12.8°C | 31.7°C | 8.5°C | 0 mm | 61% | 4.6 m/s | 6.7 |
| 2016 | 21.7°C | 16.6°C | 11.5°C | 32.5°C | 7.0°C | 0 mm | 59% | 5.1 m/s | 6.5 |
| 2015 🔥 | 25.3°C | 19.6°C | 14.0°C | 32.5°C | 10.1°C | 8 mm | 59% | 4.1 m/s | 6.6 |
| 2014 | 24.3°C | 18.7°C | 13.0°C | 34.6°C | 8.4°C | 4 mm | 59% | 3.9 m/s | 6.9 |
| 2013 | 22.5°C | 17.5°C | 12.6°C | 30.7°C | 9.0°C | 9 mm | 61% | 4.5 m/s | 6.8 |
| 2012 | 23.1°C | 17.7°C | 12.2°C | 32.4°C | 8.1°C | 7 mm | 59% | 4.3 m/s | 6.7 |
| 2011 | 21.4°C | 17.2°C | 12.9°C | 30.1°C | 8.3°C | 31 mm | 68% | 4.2 m/s | 5.2 |
| 2010 | 20.3°C | 16.0°C | 11.7°C | 28.0°C | 8.1°C | 72 mm | 67% | 4.1 m/s | 6.3 |
| 2009 | 21.7°C | 16.9°C | 12.2°C | 31.9°C | 8.4°C | 17 mm | 63% | 4.6 m/s | 6.7 |
| 2008 | 23.4°C | 18.2°C | 13.1°C | 32.5°C | 9.6°C | 4 mm | 58% | 4.3 m/s | 6.7 |
| 2007 | 21.9°C | 17.0°C | 12.1°C | 32.9°C | 9.0°C | 24 mm | 62% | 4.6 m/s | 6.5 |
| 2006 | 22.6°C | 17.4°C | 12.1°C | 30.5°C | 9.0°C | 0 mm | 56% | 4.4 m/s | 7.1 |
| 2005 | 21.5°C | 16.9°C | 12.2°C | 32.0°C | 8.5°C | 35 mm | 69% | 4.5 m/s | 5.9 |
| 2004 | 22.9°C | 17.8°C | 12.6°C | 30.6°C | 9.7°C | 2 mm | 62% | 3.9 m/s | 6.6 |
| 2003 | 18.9°C | 14.8°C | 10.8°C | 28.0°C | 7.1°C | 24 mm | 68% | 4.4 m/s | 6.2 |
| 2002 | 21.1°C | 16.7°C | 12.2°C | 29.1°C | 8.3°C | 16 mm | 61% | 4.7 m/s | 6.6 |
| 2001 | 18.6°C | 15.1°C | 11.7°C | 24.6°C | 8.5°C | 33 mm | 67% | 4.7 m/s | 6.1 |
| 2000 | 20.6°C | 16.4°C | 12.2°C | 28.4°C | 9.0°C | 43 mm | 66% | 4.1 m/s | 6.4 |
| 1999 | 21.8°C | 17.3°C | 12.8°C | 31.1°C | 9.3°C | 49 mm | 65% | 4.4 m/s | 6.5 |
| 1998 | 20.7°C | 16.5°C | 12.2°C | 32.2°C | 9.6°C | 14 mm | 65% | 4 m/s | 6.2 |
| 1997 | 20.9°C | 16.6°C | 12.4°C | 31.1°C | 9.1°C | 37 mm | 68% | 4.2 m/s | 6.5 |
| 1996 | 21.6°C | 16.5°C | 11.4°C | 30.4°C | 7.7°C | 10 mm | 62% | 4.2 m/s | 6.9 |
| 1995 | 21.8°C | 16.9°C | 12.1°C | 36.1°C | 8.5°C | 20 mm | 64% | 4.6 m/s | 6.7 |
| 1994 | 21.5°C | 17.1°C | 12.6°C | 33.5°C | 9.4°C | 25 mm | 63% | 4.5 m/s | 6.8 |
| 1993 | 20.5°C | 16.3°C | 12.0°C | 29.5°C | 6.8°C | 67 mm | 65% | 4.5 m/s | 6.2 |
| 1992 🌧️ | 19.9°C | 15.9°C | 11.8°C | 27.9°C | 7.9°C | 91 mm | 73% | 4.2 m/s | 5.7 |
| 1991 | 22.3°C | 17.3°C | 12.3°C | 29.8°C | 9.1°C | 2 mm | 62% | 4 m/s | 6.8 |
| 1990 | 21.7°C | 16.9°C | 12.1°C | 32.4°C | 8.5°C | 25 mm | 64% | 4.8 m/s | 6.5 |
| 1989 | 20.5°C | 16.0°C | 11.5°C | 29.0°C | 7.3°C | 5 mm | 66% | 4.6 m/s | 6.6 |
| 1988 | 22.0°C | 17.3°C | 12.5°C | 31.2°C | 10.7°C | 5 mm | 63% | 4.1 m/s | 6.7 |
| 1987 | 20.9°C | 16.0°C | 11.1°C | 35.5°C | 7.1°C | 16 mm | 64% | 4.4 m/s | 6.9 |
| 1986 ❄️ | 18.7°C | 14.8°C | 11.0°C | 27.9°C | 8.8°C | 42 mm | 66% | 4.8 m/s | 6.1 |
| 1985 | 20.3°C | 15.8°C | 11.4°C | 28.8°C | 7.9°C | 42 mm | 66% | 4.5 m/s | 6.3 |
| 1984 | 21.8°C | 16.7°C | 11.5°C | 29.1°C | 8.5°C | 33 mm | 65% | 4.2 m/s | 6.7 |
| 1983 | 21.4°C | 16.5°C | 11.5°C | 33.7°C | 7.0°C | 12 mm | 67% | 4.3 m/s | — |
| 1982 | 20.9°C | 16.3°C | 11.7°C | 30.0°C | 6.7°C | 6 mm | 62% | 4 m/s | — |
| 1981 | 22.3°C | 17.0°C | 11.7°C | 31.8°C | 8.0°C | 16 mm | 59% | 4.6 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 21.7°C with lows near 12.3°C (mean 17°C), based on 45 years of NASA POWER data.
October averages 22 mm of rainfall in Streaky Bay, about average for rainfall. The wettest on record was 91 mm in 1992.
The hottest October reached 36.1°C in 1995. The coldest dipped to 6.7°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°C. Daytime highs moved from 21.3°C to 22.1°C and overnight lows from 11.6°C to 12.9°C over the same span.
October is one of the cooler months of the year in Streaky Bay and about average for rainfall, so plan for around 21.7°C daytime highs and 12.3°C at night.
Not quite — October is the 6th coolest month in Streaky Bay, averaging 17°C.
For October in Streaky Bay, pack light layers you can adjust through the day, with typical highs of 21.7°C and lows of 12.3°C.
Relative humidity in October averages 63% — moderately humid.
Average wind speed in October is 4.4 m/s. The windiest October on record averaged 5.1 m/s (2016).
The wettest October on record was 1992 with 91 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 Streaky 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.
