June is one of the cooler months of the year in Mandurah, with average highs near 18.3°C and lows around 14.3°C (mean 16.3°C). It is a relatively wet time of year, averaging 148 mm of rainfall and 73% relative humidity across the period.
June is one of the cooler months of the year in Mandurah. Across 45 years of records, the warmest June in Mandurah was 1983 — when the month averaged 17.8°C — while the coldest were 1981 and 1990 at 14.7°C. Typical June days reach 18.3°C with nights near 14.3°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Mandurah, averaging 148 mm of rainfall. The wettest June on record was 1996 with 295 mm, while the driest was 2017 at 44 mm.
Relative humidity in Mandurah during June averages 73%. The most humid June was 1986 at 77%, and the least humid was 2006 at 66%.
June receives about 2.5 kWh/m²/day of solar energy in Mandurah. The sunniest Junes were 2006 and 2017 at 2.8 kWh/m²/day, and the cloudiest were 2004, 2005 and 2012, among others at 2.2.
Average wind speed in Mandurah during June is 5.5 m/s. The windiest June was 1992 at 6.7 m/s, while the calmest was 2001 at 4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.2°C | 16.3°C | 16.4°C | 16.3°C | 16.6°C | +0.4°C |
| Avg High | 18.2°C | 18.1°C | 18.4°C | 18.5°C | 18.5°C | +0.3°C |
| Avg Low | 14.2°C | 14.5°C | 14.3°C | 14.2°C | 14.7°C | +0.5°C |
| Avg Rain | 171 mm | 187 mm | 158 mm | 106 mm | 103 mm | -68 mm |
June temperatures in Mandurah have stayed relatively stable across the record.
June has ranged from a record low of 7.8°C (1981) to a record high of 24°C (2019).
Rainfall in June is a relatively wet time of year, averaging 148 mm, with a wettest year of 295 mm.
A quieter season to visit Mandurah
If your dates are flexible, the more temperate months of March and December tend to be the most comfortable for visiting Mandurah. That said, June — with days averaging 18.3°C and nights around 14.3°C (mean 16.3°C) and higher rainfall (148 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 | 19.4°C | 17.3°C | 15.3°C | 22.1°C | 10.6°C | 117 mm | 71% | 5 m/s | 2.3 |
| 2024 | 19.0°C | 17.2°C | 15.3°C | 23.0°C | 11.7°C | 103 mm | 72% | 4.9 m/s | 2.6 |
| 2023 | 16.6°C | 15.0°C | 13.4°C | 19.7°C | 9.2°C | 136 mm | 74% | 5.2 m/s | 2.5 |
| 2022 | 18.5°C | 16.6°C | 14.7°C | 20.9°C | 11.2°C | 84 mm | 75% | 5.4 m/s | 2.5 |
| 2021 | 18.1°C | 16.0°C | 14.0°C | 20.3°C | 9.9°C | 87 mm | 73% | 5 m/s | 2.6 |
| 2020 | 19.6°C | 17.6°C | 15.6°C | 23.0°C | 9.8°C | 92 mm | 70% | 5.3 m/s | 2.4 |
| 2019 | 18.4°C | 16.3°C | 14.2°C | 24.0°C | 11.9°C | 162 mm | 68% | 5.9 m/s | 2.5 |
| 2018 | 18.6°C | 16.6°C | 14.7°C | 21.1°C | 12.3°C | 90 mm | 70% | 4.5 m/s | 2.5 |
| 2017 | 19.8°C | 17.1°C | 14.5°C | 22.3°C | 11.4°C | 44 mm | 70% | 4.8 m/s | 2.8 |
| 2016 | 17.3°C | 15.4°C | 13.5°C | 20.1°C | 10.8°C | 93 mm | 75% | 4.9 m/s | 2.6 |
| 2015 | 19.0°C | 16.6°C | 14.2°C | 21.8°C | 10.4°C | 68 mm | 75% | 5.1 m/s | 2.6 |
| 2014 | 18.1°C | 16.0°C | 13.9°C | 22.0°C | 10.8°C | 125 mm | 73% | 5 m/s | 2.5 |
| 2013 | 18.3°C | 16.2°C | 14.1°C | 20.4°C | 10.9°C | 51 mm | 73% | 4.4 m/s | 2.7 |
| 2012 | 18.3°C | 16.2°C | 14.1°C | 22.4°C | 10.6°C | 181 mm | 73% | 5.5 m/s | 2.2 |
| 2011 | 18.9°C | 16.9°C | 15.0°C | 20.9°C | 12.1°C | 181 mm | 71% | 5.8 m/s | 2.4 |
| 2010 | 18.2°C | 15.9°C | 13.5°C | 21.4°C | 10.6°C | 65 mm | 71% | 4.1 m/s | 2.6 |
| 2009 | 18.0°C | 16.3°C | 14.5°C | 22.2°C | 11.8°C | 221 mm | 74% | 6.2 m/s | 2.3 |
| 2008 | 18.6°C | 16.3°C | 13.9°C | 22.0°C | 10.2°C | 137 mm | 73% | 5.3 m/s | 2.6 |
| 2007 | 18.6°C | 16.1°C | 13.5°C | 21.6°C | 11.1°C | 114 mm | 73% | 6.3 m/s | 2.7 |
| 2006 | 18.7°C | 15.9°C | 13.1°C | 21.9°C | 9.0°C | 45 mm | 66% | 4.8 m/s | 2.8 |
| 2005 | 17.6°C | 15.9°C | 14.2°C | 21.6°C | 10.5°C | 279 mm | 76% | 6.1 m/s | 2.2 |
| 2004 | 18.6°C | 16.8°C | 15.0°C | 21.5°C | 10.5°C | 165 mm | 74% | 6 m/s | 2.2 |
| 2003 | 18.2°C | 16.2°C | 14.3°C | 21.1°C | 10.4°C | 192 mm | 71% | 5.8 m/s | 2.5 |
| 2002 | 18.1°C | 16.4°C | 14.6°C | 21.3°C | 11.3°C | 197 mm | 74% | 5.7 m/s | 2.3 |
| 2001 | 18.8°C | 16.9°C | 15.0°C | 21.6°C | 11.0°C | 85 mm | 71% | 4 m/s | 2.7 |
| 2000 | 18.9°C | 16.8°C | 14.7°C | 22.6°C | 11.8°C | 149 mm | 70% | 5.6 m/s | 2.4 |
| 1999 | 18.7°C | 17.0°C | 15.3°C | 21.0°C | 11.5°C | 229 mm | 73% | 5.6 m/s | 2.4 |
| 1998 | 18.0°C | 16.1°C | 14.2°C | 23.6°C | 10.6°C | 174 mm | 72% | 6.4 m/s | 2.3 |
| 1997 | 18.9°C | 17.1°C | 15.3°C | 21.5°C | 12.3°C | 155 mm | 75% | 5.3 m/s | 2.4 |
| 1996 🌧️ | 19.1°C | 17.5°C | 15.8°C | 21.5°C | 11.4°C | 295 mm | 69% | 5.9 m/s | 2.3 |
| 1995 | 17.2°C | 15.5°C | 13.9°C | 21.6°C | 11.3°C | 159 mm | 74% | 5.9 m/s | 2.4 |
| 1994 | 17.9°C | 16.3°C | 14.7°C | 20.1°C | 12.1°C | 218 mm | 74% | 5.1 m/s | 2.4 |
| 1993 | 17.3°C | 15.2°C | 13.1°C | 19.6°C | 10.8°C | 115 mm | 74% | 5.9 m/s | 2.5 |
| 1992 | 17.9°C | 16.2°C | 14.5°C | 20.1°C | 9.8°C | 204 mm | 75% | 6.7 m/s | 2.3 |
| 1991 | 18.4°C | 17.1°C | 15.8°C | 20.8°C | 13.4°C | 219 mm | 74% | 5.8 m/s | 2.2 |
| 1990 | 17.1°C | 14.7°C | 12.3°C | 22.1°C | 8.6°C | 102 mm | 70% | 5.2 m/s | 2.5 |
| 1989 | 17.7°C | 15.7°C | 13.6°C | 21.3°C | 9.9°C | 95 mm | 72% | 5 m/s | 2.6 |
| 1988 | 18.2°C | 16.7°C | 15.1°C | 21.7°C | 10.7°C | 207 mm | 76% | 6.2 m/s | 2.2 |
| 1987 | 18.3°C | 16.4°C | 14.5°C | 21.5°C | 9.8°C | 172 mm | 75% | 5.8 m/s | 2.3 |
| 1986 | 17.8°C | 15.3°C | 12.8°C | 21.6°C | 10.1°C | 184 mm | 77% | 5.8 m/s | 2.5 |
| 1985 | 19.1°C | 17.4°C | 15.8°C | 22.1°C | 11.5°C | 119 mm | 75% | 5.3 m/s | 2.4 |
| 1984 | 18.5°C | 16.3°C | 14.0°C | 23.3°C | 10.1°C | 101 mm | 72% | 4.7 m/s | 2.6 |
| 1983 🔥 | 19.8°C | 17.8°C | 15.9°C | 23.0°C | 12.2°C | 221 mm | 72% | 5.7 m/s | — |
| 1982 | 17.7°C | 15.5°C | 13.4°C | 22.2°C | 10.1°C | 227 mm | 71% | 5.8 m/s | — |
| 1981 ❄️ | 16.5°C | 14.7°C | 12.9°C | 19.5°C | 7.8°C | 215 mm | 73% | 6.6 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 14.3°C (mean 16.3°C), based on 45 years of NASA POWER data.
June averages 148 mm of rainfall in Mandurah, a relatively wet time of year. The wettest on record was 295 mm in 1996.
The hottest June reached 24°C in 2019. The coldest dipped to 7.8°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.1°C. Daytime highs moved from 18.3°C to 18.3°C and overnight lows from 14.4°C to 14.5°C over the same span.
June is one of the cooler months of the year in Mandurah and a relatively wet time of year, so plan for around 18.3°C daytime highs and 14.3°C at night.
Not quite — June is the 4th coolest month in Mandurah, averaging 16.3°C.
For June in Mandurah, pack light layers you can adjust through the day, with typical highs of 18.3°C and lows of 14.3°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 73% — moderately humid.
Average wind speed in June is 5.5 m/s. The windiest June on record averaged 6.7 m/s (1992).
The wettest June on record was 1996 with 295 mm. On average, June sees 148 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 Mandurah 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.
