October is close to Kalgoorlie's year-round average, with average highs near 28°C and lows around 10.7°C (mean 19.4°C). It is about average for rainfall, averaging 16 mm of rainfall and 43% relative humidity across the period.
October is close to Kalgoorlie's year-round average. Across 45 years of records, the warmest October in Kalgoorlie was 2015 — when the month averaged 23.1°C — while the coldest were 1986 and 2001 at 16.6°C. Typical October days reach 28°C with nights near 10.7°C. The long-term trend is warming, about 0.5°C per decade.
October is about average for rainfall in Kalgoorlie, averaging 16 mm of rainfall. The wettest October on record was 2011 with 92 mm, while the driest was 2023 at 0 mm.
Relative humidity in Kalgoorlie during October averages 43%. The most humid October was 2011 at 59%, and the least humid was 2002 at 33%.
October receives about 7 kWh/m²/day of solar energy in Kalgoorlie. The sunniest October was 1988 at 7.5 kWh/m²/day, and the cloudiest was 2011 at 5.8.
Average wind speed in Kalgoorlie during October is 3.7 m/s. The windiest Octobers were 2007, 2020 and 2021, among others at 4 m/s, while the calmest were 1992 and 2025 at 3.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 18.8°C | 18.5°C | 19.5°C | 20.2°C | 19.9°C | +1.1°C |
| Avg High | 27.5°C | 27.0°C | 28.3°C | 28.9°C | 28.6°C | +1.1°C |
| Avg Low | 10.2°C | 10.1°C | 10.7°C | 11.6°C | 11.2°C | +1°C |
| Avg Rain | 16 mm | 12 mm | 15 mm | 22 mm | 16 mm | +0 mm |
October temperatures in Kalgoorlie have risen by about 0.8°C between 1981–1985 and 2021–2025.
October has ranged from a record low of 2.1°C (1992) to a record high of 39.5°C (2019).
Rainfall in October is about average for rainfall, averaging 16 mm, with a wettest year of 92 mm.
One of the best times to visit Kalgoorlie
October is one of the best times to visit Kalgoorlie. Expect days averaging 28°C and nights around 10.7°C (mean 19.4°C) — close to Kalgoorlie's yearly average — with low rainfall (16 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 | 28.9°C | 20.2°C | 11.4°C | 37.1°C | 5.8°C | 52 mm | 44% | 3.1 m/s | 6.9 |
| 2024 | 31.0°C | 22.1°C | 13.2°C | 39.2°C | 7.9°C | 7 mm | 41% | 3.6 m/s | 7 |
| 2023 | 30.5°C | 21.3°C | 12.2°C | 38.3°C | 6.9°C | 0 mm | 34% | 3.7 m/s | 7.4 |
| 2022 | 25.5°C | 17.6°C | 9.7°C | 34.6°C | 4.8°C | 10 mm | 48% | 3.8 m/s | 6.5 |
| 2021 | 26.0°C | 17.6°C | 9.2°C | 35.2°C | 4.8°C | 23 mm | 45% | 4 m/s | 6.9 |
| 2020 | 29.6°C | 20.5°C | 11.5°C | 38.6°C | 3.7°C | 3 mm | 39% | 4 m/s | 7 |
| 2019 | 31.4°C | 22.2°C | 13.1°C | 39.5°C | 7.7°C | 3 mm | 35% | 3.7 m/s | 7.3 |
| 2018 | 27.6°C | 19.7°C | 11.7°C | 35.4°C | 7.4°C | 43 mm | 52% | 3.8 m/s | 6.4 |
| 2017 | 28.6°C | 19.6°C | 10.6°C | 35.7°C | 4.8°C | 2 mm | 40% | 3.9 m/s | 7.3 |
| 2016 | 27.2°C | 18.3°C | 9.5°C | 36.0°C | 3.6°C | 9 mm | 42% | 3.9 m/s | 7.1 |
| 2015 🔥 | 31.6°C | 23.1°C | 14.6°C | 38.6°C | 6.1°C | 4 mm | 40% | 3.5 m/s | 6.6 |
| 2014 | 30.4°C | 21.6°C | 12.8°C | 37.7°C | 7.4°C | 42 mm | 44% | 3.6 m/s | 6.9 |
| 2013 | 29.5°C | 20.0°C | 10.5°C | 39.2°C | 4.0°C | 10 mm | 42% | 3.5 m/s | 7.4 |
| 2012 | 29.7°C | 20.9°C | 12.1°C | 37.4°C | 7.0°C | 3 mm | 38% | 3.9 m/s | 6.9 |
| 2011 🌧️ | 25.8°C | 18.8°C | 11.7°C | 35.7°C | 7.7°C | 92 mm | 59% | 3.4 m/s | 5.8 |
| 2010 | 26.9°C | 18.3°C | 9.7°C | 35.8°C | 4.6°C | 11 mm | 41% | 3.6 m/s | 7.3 |
| 2009 | 30.2°C | 21.1°C | 11.9°C | 38.0°C | 3.9°C | 7 mm | 43% | 3.5 m/s | 6.9 |
| 2008 | 28.5°C | 20.1°C | 11.8°C | 36.1°C | 4.6°C | 24 mm | 48% | 3.7 m/s | 6.5 |
| 2007 | 29.1°C | 20.0°C | 10.9°C | 38.4°C | 5.3°C | 6 mm | 39% | 4 m/s | 7.1 |
| 2006 | 29.3°C | 20.7°C | 12.0°C | 35.9°C | 8.1°C | 26 mm | 42% | 4 m/s | 7 |
| 2005 | 26.6°C | 17.8°C | 9.1°C | 35.8°C | 4.5°C | 10 mm | 46% | 3.6 m/s | 7.2 |
| 2004 | 30.0°C | 20.9°C | 11.7°C | 39.4°C | 6.7°C | 17 mm | 40% | 3.6 m/s | 7 |
| 2003 | 27.2°C | 18.6°C | 10.1°C | 35.7°C | 5.6°C | 10 mm | 45% | 3.7 m/s | 7.1 |
| 2002 | 30.0°C | 20.6°C | 11.1°C | 38.1°C | 4.6°C | 3 mm | 33% | 4 m/s | 7.2 |
| 2001 | 24.8°C | 16.6°C | 8.3°C | 30.4°C | 3.9°C | 35 mm | 48% | 3.5 m/s | 6.4 |
| 2000 | 27.4°C | 18.8°C | 10.2°C | 36.1°C | 6.3°C | 11 mm | 42% | 3.3 m/s | 6.6 |
| 1999 | 27.1°C | 18.2°C | 9.3°C | 34.5°C | 4.7°C | 3 mm | 43% | 3.8 m/s | 7.4 |
| 1998 | 26.4°C | 18.4°C | 10.3°C | 35.6°C | 5.6°C | 13 mm | 48% | 3.6 m/s | 6.7 |
| 1997 | 27.1°C | 18.8°C | 10.5°C | 35.0°C | 5.4°C | 13 mm | 45% | 3.8 m/s | 6.8 |
| 1996 | 27.6°C | 19.1°C | 10.6°C | 35.9°C | 3.8°C | 6 mm | 44% | 3.4 m/s | 7.1 |
| 1995 | 27.8°C | 19.0°C | 10.2°C | 36.3°C | 4.7°C | 15 mm | 45% | 3.6 m/s | 7 |
| 1994 | 28.1°C | 19.2°C | 10.4°C | 36.8°C | 2.8°C | 6 mm | 37% | 3.7 m/s | 7.2 |
| 1993 | 25.5°C | 16.9°C | 8.3°C | 35.0°C | 2.8°C | 3 mm | 43% | 3.7 m/s | 7.2 |
| 1992 | 25.1°C | 17.0°C | 8.9°C | 35.6°C | 2.1°C | 16 mm | 55% | 3.1 m/s | 7.1 |
| 1991 | 29.3°C | 20.5°C | 11.8°C | 36.2°C | 6.3°C | 3 mm | 40% | 3.6 m/s | 7.2 |
| 1990 | 26.2°C | 18.3°C | 10.4°C | 37.0°C | 4.5°C | 41 mm | 50% | 3.6 m/s | 6.9 |
| 1989 | 26.3°C | 17.8°C | 9.2°C | 35.0°C | 5.4°C | 2 mm | 42% | 3.8 m/s | 7.4 |
| 1988 | 30.1°C | 20.7°C | 11.3°C | 38.8°C | 5.3°C | 2 mm | 37% | 3.7 m/s | 7.5 |
| 1987 | 28.0°C | 19.5°C | 11.0°C | 35.1°C | 5.9°C | 9 mm | 41% | 3.6 m/s | 6.7 |
| 1986 ❄️ | 24.6°C | 16.6°C | 8.5°C | 33.2°C | 4.3°C | 16 mm | 47% | 3.4 m/s | 7 |
| 1985 | 26.8°C | 18.1°C | 9.4°C | 34.0°C | 4.2°C | 6 mm | 41% | 3.9 m/s | 7.2 |
| 1984 | 27.8°C | 19.1°C | 10.3°C | 36.2°C | 5.5°C | 25 mm | 47% | 3.5 m/s | 7.2 |
| 1983 | 27.9°C | 19.3°C | 10.8°C | 38.0°C | 6.3°C | 20 mm | 43% | 3.6 m/s | — |
| 1982 | 26.7°C | 18.5°C | 10.4°C | 34.7°C | 4.9°C | 55 mm | 48% | 3.7 m/s | — |
| 1981 | 29.2°C | 19.9°C | 10.7°C | 38.3°C | 4.3°C | 6 mm | 34% | 3.7 m/s | — |
Actual recorded October data for each year, 1981–2025 — sourced from NASA POWER.
The average high in October is around 28°C with lows near 10.7°C (mean 19.4°C), based on 45 years of NASA POWER data.
October averages 16 mm of rainfall in Kalgoorlie, about average for rainfall. The wettest on record was 92 mm in 2011.
The hottest October reached 39.5°C in 2019. The coldest dipped to 2.1°C in 1992.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average October temperatures have risen by about 0.8°C. Daytime highs moved from 27.7°C to 28.4°C and overnight lows from 10.3°C to 11.1°C over the same span.
October is close to Kalgoorlie's year-round average and about average for rainfall, so plan for around 28°C daytime highs and 10.7°C at night.
Not quite — October is the 6th coolest month in Kalgoorlie, averaging 19.4°C.
For October in Kalgoorlie, pack light layers you can adjust through the day, with typical highs of 28°C and lows of 10.7°C.
Relative humidity in October averages 43% — relatively dry.
Average wind speed in October is 3.7 m/s. The windiest October on record averaged 4 m/s (2002).
The wettest October on record was 2011 with 92 mm. On average, October sees 16 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 Kalgoorlie 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.
