June is one of the cooler months of the year in Kalgoorlie, with average highs near 18.3°C and lows around 5.9°C (mean 12.1°C). It is about average for rainfall, averaging 24 mm of rainfall and 65% relative humidity across the period.
June is one of the cooler months of the year in Kalgoorlie. Across 45 years of records, the warmest June in Kalgoorlie was 2025 — when the month averaged 13.9°C — while the coldest was 1981 at 9.7°C. Typical June days reach 18.3°C with nights near 5.9°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Kalgoorlie, averaging 24 mm of rainfall. The wettest June on record was 1986 with 86 mm, while the driest were 2006 and 2017 at 2 mm.
Relative humidity in Kalgoorlie during June averages 65%. The most humid June was 1992 at 79%, and the least humid was 2020 at 55%.
June receives about 3 kWh/m²/day of solar energy in Kalgoorlie. The sunniest June was 2006 at 3.5 kWh/m²/day, and the cloudiest was 2024 at 2.6.
Average wind speed in Kalgoorlie during June is 2.9 m/s. The windiest June was 2009 at 3.5 m/s, while the calmest were 2001, 2010 and 2013, among others at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.0°C | 11.8°C | 12.2°C | 12.2°C | 12.8°C | +0.8°C |
| Avg High | 18.3°C | 17.8°C | 18.6°C | 18.4°C | 18.8°C | +0.5°C |
| Avg Low | 5.6°C | 5.8°C | 5.7°C | 6.0°C | 6.7°C | +1.1°C |
| Avg Rain | 31 mm | 35 mm | 15 mm | 20 mm | 19 mm | -11 mm |
June temperatures in Kalgoorlie have risen by about 0.7°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -1.9°C (1981) to a record high of 27°C (2017).
Rainfall in June is about average for rainfall, averaging 24 mm, with a wettest year of 86 mm.
A quieter season to visit Kalgoorlie
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Kalgoorlie. That said, June — with days averaging 18.3°C and nights around 5.9°C (mean 12.1°C) and low rainfall (24 mm) — can still be rewarding for travellers who don't mind the cooler conditions, and often means fewer crowds.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 🔥 | 20.1°C | 13.9°C | 7.7°C | 26.5°C | 3.9°C | 9 mm | 63% | 2.8 m/s | 3.1 |
| 2024 | 19.4°C | 13.7°C | 8.0°C | 24.0°C | 2.9°C | 50 mm | 67% | 2.7 m/s | 2.6 |
| 2023 | 16.2°C | 10.7°C | 5.2°C | 21.2°C | 1.2°C | 28 mm | 70% | 3.1 m/s | 3 |
| 2022 | 19.2°C | 13.1°C | 7.0°C | 24.7°C | 2.5°C | 3 mm | 66% | 2.8 m/s | 3 |
| 2021 | 17.2°C | 11.4°C | 5.6°C | 22.2°C | 1.3°C | 22 mm | 67% | 2.9 m/s | 3 |
| 2020 | 20.7°C | 13.7°C | 6.6°C | 25.7°C | 1.6°C | 5 mm | 55% | 2.8 m/s | 3.3 |
| 2019 | 18.2°C | 11.9°C | 5.7°C | 25.4°C | 0.6°C | 39 mm | 63% | 3.3 m/s | 3 |
| 2018 | 19.0°C | 12.7°C | 6.3°C | 25.9°C | 2.0°C | 13 mm | 61% | 2.5 m/s | 3.1 |
| 2017 | 20.2°C | 13.2°C | 6.1°C | 27.0°C | 1.4°C | 2 mm | 56% | 2.4 m/s | 3.1 |
| 2016 | 16.5°C | 11.0°C | 5.5°C | 21.1°C | 0.3°C | 26 mm | 71% | 2.8 m/s | 2.7 |
| 2015 | 19.5°C | 13.0°C | 6.5°C | 24.9°C | 1.8°C | 19 mm | 66% | 2.7 m/s | 3.1 |
| 2014 | 18.1°C | 11.6°C | 5.2°C | 22.7°C | 1.5°C | 6 mm | 64% | 2.9 m/s | 3.2 |
| 2013 | 17.9°C | 11.7°C | 5.6°C | 22.2°C | 1.5°C | 12 mm | 71% | 2.3 m/s | 2.9 |
| 2012 | 18.3°C | 12.2°C | 6.1°C | 23.6°C | 1.8°C | 26 mm | 64% | 2.9 m/s | 3 |
| 2011 | 18.0°C | 12.6°C | 7.3°C | 23.9°C | 4.1°C | 45 mm | 71% | 3.1 m/s | 2.8 |
| 2010 | 17.9°C | 11.9°C | 5.8°C | 23.5°C | 0.5°C | 14 mm | 65% | 2.3 m/s | 2.9 |
| 2009 | 17.7°C | 11.9°C | 6.0°C | 23.6°C | 0.5°C | 43 mm | 67% | 3.5 m/s | 2.9 |
| 2008 | 19.6°C | 13.0°C | 6.5°C | 24.6°C | 2.9°C | 3 mm | 62% | 3 m/s | 3.1 |
| 2007 | 17.5°C | 11.7°C | 5.9°C | 21.5°C | 1.6°C | 23 mm | 64% | 3 m/s | 3 |
| 2006 | 18.2°C | 10.9°C | 3.6°C | 23.3°C | -0.3°C | 2 mm | 59% | 2.5 m/s | 3.5 |
| 2005 | 17.3°C | 11.8°C | 6.2°C | 24.8°C | 2.8°C | 28 mm | 66% | 3.4 m/s | 2.8 |
| 2004 | 19.6°C | 13.1°C | 6.6°C | 25.0°C | 3.6°C | 18 mm | 66% | 3.2 m/s | 3.1 |
| 2003 | 18.1°C | 11.6°C | 5.2°C | 24.3°C | 0.7°C | 12 mm | 67% | 3 m/s | 3.1 |
| 2002 | 19.7°C | 13.2°C | 6.7°C | 24.1°C | 2.6°C | 7 mm | 56% | 3.2 m/s | 3.1 |
| 2001 | 19.6°C | 12.5°C | 5.4°C | 23.8°C | 2.7°C | 8 mm | 59% | 2.3 m/s | 3.3 |
| 2000 | 18.4°C | 11.8°C | 5.2°C | 22.6°C | 1.2°C | 6 mm | 65% | 2.9 m/s | 3.2 |
| 1999 | 18.2°C | 11.7°C | 5.2°C | 21.0°C | 1.9°C | 11 mm | 68% | 2.7 m/s | 3.4 |
| 1998 | 18.0°C | 11.9°C | 5.7°C | 25.6°C | -0.5°C | 48 mm | 66% | 3.2 m/s | 3.1 |
| 1997 | 18.8°C | 12.5°C | 6.1°C | 22.3°C | 1.0°C | 8 mm | 64% | 2.7 m/s | 3.1 |
| 1996 | 18.9°C | 13.3°C | 7.6°C | 23.5°C | 3.2°C | 46 mm | 69% | 3.1 m/s | 2.8 |
| 1995 | 16.8°C | 11.3°C | 5.7°C | 23.6°C | 2.2°C | 26 mm | 73% | 3.1 m/s | 2.9 |
| 1994 | 18.4°C | 11.6°C | 4.8°C | 23.9°C | 0.7°C | 17 mm | 61% | 2.5 m/s | 3.2 |
| 1993 | 16.0°C | 10.7°C | 5.3°C | 19.4°C | 2.5°C | 45 mm | 72% | 3 m/s | 2.9 |
| 1992 | 16.5°C | 11.2°C | 5.9°C | 20.3°C | 1.5°C | 68 mm | 79% | 3.2 m/s | 2.8 |
| 1991 | 18.9°C | 13.3°C | 7.7°C | 23.1°C | 3.6°C | 63 mm | 70% | 2.9 m/s | 2.7 |
| 1990 | 17.0°C | 10.4°C | 3.7°C | 21.7°C | 0.0°C | 18 mm | 62% | 2.7 m/s | 3.3 |
| 1989 | 16.5°C | 10.7°C | 4.9°C | 22.2°C | 0.7°C | 37 mm | 72% | 2.6 m/s | 3 |
| 1988 | 19.2°C | 12.9°C | 6.6°C | 24.8°C | 0.7°C | 16 mm | 66% | 3 m/s | 3 |
| 1987 | 18.6°C | 12.6°C | 6.5°C | 22.7°C | 2.2°C | 44 mm | 61% | 2.7 m/s | 3 |
| 1986 🌧️ | 17.3°C | 12.0°C | 6.7°C | 21.9°C | 2.2°C | 86 mm | 72% | 3.1 m/s | 2.7 |
| 1985 | 19.9°C | 13.2°C | 6.5°C | 25.5°C | 0.6°C | 11 mm | 58% | 2.3 m/s | 3.4 |
| 1984 | 19.7°C | 12.2°C | 4.6°C | 25.4°C | 0.8°C | 4 mm | 58% | 2.5 m/s | 3.3 |
| 1983 | 20.2°C | 13.8°C | 7.4°C | 24.1°C | 4.0°C | 27 mm | 59% | 2.8 m/s | — |
| 1982 | 17.6°C | 10.7°C | 3.8°C | 22.1°C | -0.4°C | 26 mm | 62% | 2.7 m/s | — |
| 1981 ❄️ | 15.6°C | 9.7°C | 3.8°C | 20.0°C | -1.9°C | 27 mm | 68% | 3.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18.3°C with lows near 5.9°C (mean 12.1°C), based on 45 years of NASA POWER data.
June averages 24 mm of rainfall in Kalgoorlie, about average for rainfall. The wettest on record was 86 mm in 1986.
The hottest June reached 27°C in 2017. The coldest dipped to -1.9°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.7°C — but days and nights have moved in opposite directions. Overnight lows rose from 5.2°C to 6.7°C while daytime highs eased from 18.6°C to 18.4°C, narrowing the gap between day and night.
June is one of the cooler months of the year in Kalgoorlie and about average for rainfall, so plan for around 18.3°C daytime highs and 5.9°C at night.
Not quite — June is the 2nd coolest month in Kalgoorlie, averaging 12.1°C.
For June in Kalgoorlie, pack warm layers and a jacket for chilly mornings, with typical highs of 18.3°C and lows of 5.9°C.
Relative humidity in June averages 65% — moderately humid.
Average wind speed in June is 2.9 m/s. The windiest June on record averaged 3.5 m/s (2009).
The wettest June on record was 1986 with 86 mm. On average, June sees 24 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 June, 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 June specifically, along with year-by-year records and how the month has changed over the decades.
