June is one of the warmer months of the year in Perth, with average highs near 15.4°C and lows around 8.3°C (mean 11.9°C). It is about average for rainfall, averaging 75 mm of rainfall and 83% relative humidity across the period.
June is one of the warmer months of the year in Perth. Across 45 years of records, the warmest June in Perth was 2023 — when the month averaged 13.9°C — while the coldest was 1987 at 10°C. Typical June days reach 15.4°C with nights near 8.3°C. The long-term trend is warming, about 0.3°C per decade.
June is about average for rainfall in Perth, averaging 75 mm of rainfall. The wettest Junes on record were 2007 and 2017 with 136 mm, while the driest was 1988 at 26 mm.
Relative humidity in Perth during June averages 83%. The most humid June was 2007 at 87%, and the least humid was 1995 at 79%.
June receives about 4.7 kWh/m²/day of solar energy in Perth. The sunniest June was 2018 at 5.5 kWh/m²/day, and the cloudiest was 2012 at 3.9.
Average wind speed in Perth during June is 3 m/s. The windiest June was 2002 at 3.9 m/s, while the calmest was 2014 at 2.1 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.3°C | 11.5°C | 12.0°C | 12.0°C | 12.9°C | +1.6°C |
| Avg High | 15.0°C | 15.1°C | 15.4°C | 15.4°C | 16.6°C | +1.6°C |
| Avg Low | 7.6°C | 7.8°C | 8.6°C | 8.5°C | 9.2°C | +1.6°C |
| Avg Rain | 64 mm | 76 mm | 87 mm | 85 mm | 54 mm | -10 mm |
June temperatures in Perth have risen by about 1.7°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 1.5°C (1989) to a record high of 25.7°C (2018).
Rainfall in June is about average for rainfall, averaging 75 mm, with a wettest year of 136 mm.
One of the best times to visit Perth
June is one of the best times to visit Perth. Expect days averaging 15.4°C and nights around 8.3°C (mean 11.9°C) — warmer than Perth's yearly average — with moderate rainfall (75 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 | 16.9°C | 13.1°C | 9.4°C | 23.4°C | 5.8°C | 63 mm | 81% | 3.7 m/s | 5 |
| 2024 | 15.7°C | 11.8°C | 8.0°C | 21.5°C | 3.9°C | 49 mm | 82% | 3.4 m/s | 5 |
| 2023 🔥 | 17.7°C | 13.9°C | 10.2°C | 22.2°C | 5.9°C | 53 mm | 84% | 2.3 m/s | 5.3 |
| 2022 | 16.3°C | 12.7°C | 9.1°C | 20.3°C | 5.4°C | 43 mm | 82% | 3.3 m/s | 5.1 |
| 2021 | 16.8°C | 13.0°C | 9.1°C | 20.6°C | 5.8°C | 28 mm | 83% | 2.9 m/s | 5.1 |
| 2020 | 16.4°C | 12.8°C | 9.2°C | 21.2°C | 4.0°C | 90 mm | 84% | 3.2 m/s | 4.4 |
| 2019 | 15.3°C | 11.9°C | 8.4°C | 22.0°C | 5.4°C | 92 mm | 84% | 3.4 m/s | 4.7 |
| 2018 | 17.2°C | 13.0°C | 8.9°C | 25.7°C | 5.6°C | 50 mm | 82% | 2.6 m/s | 5.5 |
| 2017 | 15.6°C | 12.6°C | 9.6°C | 20.9°C | 6.6°C | 136 mm | 85% | 3.8 m/s | 4 |
| 2016 | 15.3°C | 11.9°C | 8.5°C | 21.6°C | 4.9°C | 83 mm | 86% | 2.9 m/s | 4.4 |
| 2015 | 14.6°C | 11.1°C | 7.5°C | 21.8°C | 3.7°C | 65 mm | 82% | 3.2 m/s | 4.6 |
| 2014 | 16.6°C | 13.0°C | 9.5°C | 22.3°C | 6.2°C | 85 mm | 84% | 2.1 m/s | 4.4 |
| 2013 | 15.4°C | 11.7°C | 8.1°C | 18.1°C | 4.9°C | 49 mm | 83% | 2.5 m/s | 4.7 |
| 2012 | 13.7°C | 10.7°C | 7.6°C | 17.4°C | 3.0°C | 132 mm | 85% | 3.1 m/s | 3.9 |
| 2011 | 14.4°C | 11.1°C | 7.7°C | 21.5°C | 5.6°C | 99 mm | 84% | 2.8 m/s | 4.4 |
| 2010 | 16.3°C | 12.8°C | 9.4°C | 20.6°C | 5.1°C | 57 mm | 83% | 2.4 m/s | 5 |
| 2009 | 15.3°C | 11.8°C | 8.3°C | 22.0°C | 3.6°C | 66 mm | 83% | 2.7 m/s | 4.8 |
| 2008 | 15.1°C | 11.5°C | 7.8°C | 19.1°C | 4.4°C | 85 mm | 82% | 3.3 m/s | 4.7 |
| 2007 🌧️ | 14.9°C | 11.8°C | 8.8°C | 19.1°C | 4.9°C | 136 mm | 87% | 3 m/s | 4 |
| 2006 | 16.7°C | 13.0°C | 9.2°C | 21.1°C | 6.5°C | 65 mm | 85% | 2.7 m/s | 4.9 |
| 2005 | 16.2°C | 12.7°C | 9.3°C | 20.7°C | 4.1°C | 98 mm | 85% | 2.7 m/s | 4.4 |
| 2004 | 15.6°C | 12.2°C | 8.8°C | 20.2°C | 5.2°C | 100 mm | 84% | 3.5 m/s | 4.4 |
| 2003 | 16.3°C | 13.1°C | 10.0°C | 19.2°C | 7.0°C | 71 mm | 85% | 3.3 m/s | 4.9 |
| 2002 | 14.8°C | 11.8°C | 8.8°C | 16.7°C | 6.2°C | 116 mm | 86% | 3.9 m/s | 4.2 |
| 2001 | 14.3°C | 10.9°C | 7.4°C | 18.9°C | 2.0°C | 67 mm | 84% | 3.3 m/s | 4.3 |
| 2000 | 14.4°C | 10.9°C | 7.3°C | 19.2°C | 3.2°C | 68 mm | 84% | 3.3 m/s | 4.4 |
| 1999 | 14.5°C | 11.0°C | 7.4°C | 19.4°C | 4.5°C | 82 mm | 84% | 3.1 m/s | 4.5 |
| 1998 | 14.3°C | 11.0°C | 7.7°C | 21.9°C | 1.9°C | 125 mm | 84% | 3 m/s | 4.7 |
| 1997 | 14.4°C | 11.1°C | 7.7°C | 17.3°C | 3.8°C | 98 mm | 84% | 3.6 m/s | 4.7 |
| 1996 | 15.5°C | 11.6°C | 7.7°C | 20.3°C | 3.5°C | 37 mm | 82% | 3.3 m/s | 5.4 |
| 1995 | 16.1°C | 11.9°C | 7.7°C | 22.8°C | 3.5°C | 34 mm | 79% | 3.2 m/s | 5.4 |
| 1994 | 15.0°C | 11.3°C | 7.7°C | 20.0°C | 4.4°C | 64 mm | 81% | 3.8 m/s | 4.9 |
| 1993 | 15.1°C | 11.7°C | 8.3°C | 20.3°C | 4.8°C | 62 mm | 85% | 2.9 m/s | 4.6 |
| 1992 | 17.1°C | 13.2°C | 9.3°C | 21.8°C | 7.5°C | 41 mm | 82% | 3 m/s | 5.1 |
| 1991 | 13.7°C | 10.2°C | 6.7°C | 17.6°C | 1.7°C | 113 mm | 83% | 2.6 m/s | 4.3 |
| 1990 | 15.2°C | 11.7°C | 8.2°C | 19.8°C | 5.4°C | 108 mm | 81% | 3.1 m/s | 4.3 |
| 1989 | 15.3°C | 11.7°C | 8.1°C | 23.7°C | 1.5°C | 68 mm | 81% | 2.7 m/s | 4.7 |
| 1988 | 17.1°C | 12.9°C | 8.6°C | 21.8°C | 3.9°C | 26 mm | 82% | 2.2 m/s | 5.2 |
| 1987 ❄️ | 13.1°C | 10.0°C | 6.8°C | 18.3°C | 4.5°C | 96 mm | 83% | 2.4 m/s | 4.4 |
| 1986 | 15.5°C | 11.3°C | 7.2°C | 22.9°C | 2.6°C | 56 mm | 84% | 3 m/s | 4.8 |
| 1985 | 13.9°C | 10.3°C | 6.7°C | 18.5°C | 2.6°C | 76 mm | 82% | 2.8 m/s | 4.4 |
| 1984 | 15.9°C | 12.1°C | 8.3°C | 20.8°C | 4.6°C | 53 mm | 82% | 3.4 m/s | 4.6 |
| 1983 | 14.4°C | 10.9°C | 7.3°C | 21.9°C | 3.2°C | 76 mm | 84% | 3.2 m/s | — |
| 1982 | 15.1°C | 11.8°C | 8.4°C | 25.5°C | 4.1°C | 49 mm | 82% | 2.9 m/s | — |
| 1981 | 14.6°C | 11.0°C | 7.3°C | 19.3°C | 3.8°C | 74 mm | 82% | 3.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 15.4°C with lows near 8.3°C (mean 11.9°C), based on 45 years of NASA POWER data.
June averages 75 mm of rainfall in Perth, about average for rainfall. The wettest on record was 136 mm in 2007.
The hottest June reached 25.7°C in 2018. The coldest dipped to 1.5°C in 1989.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.7°C. Daytime highs moved from 14.8°C to 16.7°C and overnight lows from 7.6°C to 9.2°C over the same span.
June is one of the warmer months of the year in Perth and about average for rainfall, so plan for around 15.4°C daytime highs and 8.3°C at night.
Not quite — June is the 10th coolest month in Perth, averaging 11.9°C.
For June in Perth, pack light layers you can adjust through the day, with typical highs of 15.4°C and lows of 8.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 83% — quite humid.
Average wind speed in June is 3 m/s. The windiest June on record averaged 3.9 m/s (2002).
The wettest June on record was 2007 with 136 mm. On average, June sees 75 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 Perth 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.
