June is one of the cooler months of the year in Yanchep, with average highs near 19.1°C and lows around 12.7°C (mean 15.9°C). It is a relatively wet time of year, averaging 106 mm of rainfall and 72% relative humidity across the period.
June is one of the cooler months of the year in Yanchep. Across 45 years of records, the warmest June in Yanchep was 2020 — when the month averaged 17.7°C — while the coldest were 1981 and 1990 at 14.1°C. Typical June days reach 19.1°C with nights near 12.7°C. The long-term trend is warming, about 0.2°C per decade.
June is a relatively wet time of year in Yanchep, averaging 106 mm of rainfall. The wettest June on record was 2005 with 215 mm, while the driest was 2013 at 18 mm.
Relative humidity in Yanchep during June averages 72%. The most humid June was 1986 at 78%, and the least humid was 2006 at 66%.
June receives about 2.7 kWh/m²/day of solar energy in Yanchep. The sunniest Junes were 2006, 2013 and 2017, among others at 3 kWh/m²/day, and the cloudiest were 1991, 2005 and 2012 at 2.4.
Average wind speed in Yanchep during June is 4.2 m/s. The windiest June was 1992 at 5.1 m/s, while the calmest was 2001 at 3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.6°C | 15.7°C | 15.9°C | 16.0°C | 16.5°C | +0.9°C |
| Avg High | 18.9°C | 18.6°C | 19.2°C | 19.6°C | 19.7°C | +0.8°C |
| Avg Low | 12.4°C | 12.9°C | 12.6°C | 12.4°C | 13.4°C | +1°C |
| Avg Rain | 133 mm | 130 mm | 110 mm | 76 mm | 71 mm | -62 mm |
June temperatures in Yanchep have risen by about 0.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 4.5°C (1981) to a record high of 26.5°C (2020).
Rainfall in June is a relatively wet time of year, averaging 106 mm, with a wettest year of 215 mm.
A quieter season to visit Yanchep
If your dates are flexible, the more temperate months of December and April tend to be the most comfortable for visiting Yanchep. That said, June — with days averaging 19.1°C and nights around 12.7°C (mean 15.9°C) and higher rainfall (106 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 | 20.7°C | 17.3°C | 13.9°C | 24.3°C | 8.9°C | 83 mm | 70% | 3.9 m/s | 2.7 |
| 2024 | 20.3°C | 17.2°C | 14.1°C | 24.4°C | 9.9°C | 62 mm | 70% | 3.7 m/s | 2.7 |
| 2023 | 17.4°C | 14.9°C | 12.4°C | 21.2°C | 7.3°C | 85 mm | 71% | 4 m/s | 2.7 |
| 2022 | 19.9°C | 16.6°C | 13.2°C | 22.4°C | 8.9°C | 59 mm | 74% | 4.1 m/s | 2.8 |
| 2021 | 18.5°C | 15.5°C | 12.4°C | 21.1°C | 8.6°C | 56 mm | 71% | 3.8 m/s | 2.8 |
| 2020 🔥 | 21.3°C | 17.7°C | 14.1°C | 26.5°C | 8.4°C | 81 mm | 67% | 4.1 m/s | 2.7 |
| 2019 | 19.3°C | 16.1°C | 12.9°C | 24.8°C | 8.0°C | 128 mm | 66% | 4.5 m/s | 2.6 |
| 2018 | 19.4°C | 16.2°C | 13.1°C | 22.4°C | 9.2°C | 101 mm | 71% | 3.4 m/s | 2.6 |
| 2017 | 21.4°C | 17.0°C | 12.5°C | 25.0°C | 8.5°C | 30 mm | 67% | 3.8 m/s | 3 |
| 2016 | 17.9°C | 14.8°C | 11.7°C | 22.3°C | 6.9°C | 68 mm | 75% | 3.8 m/s | 2.8 |
| 2015 | 20.7°C | 16.6°C | 12.6°C | 24.2°C | 8.7°C | 45 mm | 72% | 4.1 m/s | 2.9 |
| 2014 | 19.1°C | 15.4°C | 11.8°C | 23.6°C | 8.3°C | 78 mm | 72% | 3.9 m/s | 2.8 |
| 2013 | 19.6°C | 15.8°C | 11.9°C | 21.9°C | 9.1°C | 18 mm | 71% | 3.4 m/s | 3 |
| 2012 | 19.2°C | 16.1°C | 13.0°C | 24.1°C | 9.1°C | 123 mm | 71% | 4.3 m/s | 2.4 |
| 2011 | 19.8°C | 16.5°C | 13.2°C | 23.4°C | 10.2°C | 126 mm | 70% | 4.5 m/s | 2.6 |
| 2010 | 19.1°C | 15.4°C | 11.6°C | 23.6°C | 7.8°C | 38 mm | 70% | 3.3 m/s | 2.9 |
| 2009 | 18.8°C | 16.0°C | 13.2°C | 24.0°C | 9.7°C | 139 mm | 73% | 4.7 m/s | 2.7 |
| 2008 | 19.6°C | 15.9°C | 12.1°C | 24.5°C | 8.4°C | 98 mm | 72% | 4.2 m/s | 2.9 |
| 2007 | 19.7°C | 15.7°C | 11.8°C | 22.7°C | 8.2°C | 68 mm | 71% | 4.9 m/s | 2.9 |
| 2006 | 20.1°C | 15.5°C | 11.0°C | 23.2°C | 6.5°C | 32 mm | 66% | 3.9 m/s | 3 |
| 2005 🌧️ | 17.8°C | 15.3°C | 12.7°C | 23.3°C | 7.3°C | 215 mm | 78% | 4.5 m/s | 2.4 |
| 2004 | 19.3°C | 16.5°C | 13.7°C | 22.8°C | 8.5°C | 108 mm | 75% | 4.5 m/s | 2.5 |
| 2003 | 18.9°C | 15.8°C | 12.8°C | 22.1°C | 8.1°C | 139 mm | 71% | 4.6 m/s | 2.8 |
| 2002 | 19.0°C | 16.0°C | 13.1°C | 22.3°C | 7.9°C | 146 mm | 73% | 4.2 m/s | 2.6 |
| 2001 | 19.5°C | 16.0°C | 12.5°C | 23.1°C | 8.9°C | 48 mm | 72% | 3 m/s | 3 |
| 2000 | 19.8°C | 16.2°C | 12.6°C | 24.7°C | 8.0°C | 103 mm | 70% | 4.3 m/s | 2.7 |
| 1999 | 18.8°C | 16.1°C | 13.3°C | 21.2°C | 9.1°C | 139 mm | 75% | 4.1 m/s | 2.7 |
| 1998 | 18.4°C | 15.5°C | 12.6°C | 24.4°C | 7.7°C | 154 mm | 73% | 4.7 m/s | 2.5 |
| 1997 | 19.7°C | 16.7°C | 13.7°C | 23.3°C | 8.1°C | 84 mm | 73% | 3.9 m/s | 2.7 |
| 1996 | 19.9°C | 17.2°C | 14.5°C | 23.0°C | 8.8°C | 158 mm | 70% | 4.5 m/s | 2.5 |
| 1995 | 17.5°C | 14.7°C | 12.0°C | 23.9°C | 7.9°C | 127 mm | 76% | 4.6 m/s | 2.7 |
| 1994 | 18.5°C | 15.8°C | 13.1°C | 22.3°C | 9.4°C | 138 mm | 72% | 3.7 m/s | 2.7 |
| 1993 | 17.6°C | 14.4°C | 11.2°C | 20.1°C | 7.9°C | 83 mm | 76% | 4.6 m/s | 2.6 |
| 1992 | 18.5°C | 15.9°C | 13.3°C | 21.5°C | 8.2°C | 143 mm | 75% | 5.1 m/s | 2.6 |
| 1991 | 18.9°C | 16.8°C | 14.6°C | 22.4°C | 11.4°C | 206 mm | 75% | 4.3 m/s | 2.4 |
| 1990 | 17.9°C | 14.1°C | 10.3°C | 24.5°C | 6.6°C | 70 mm | 69% | 4 m/s | 2.8 |
| 1989 | 18.4°C | 14.9°C | 11.4°C | 22.2°C | 6.4°C | 65 mm | 73% | 3.9 m/s | 2.8 |
| 1988 | 18.9°C | 16.3°C | 13.8°C | 23.0°C | 7.0°C | 140 mm | 78% | 4.7 m/s | 2.5 |
| 1987 | 18.9°C | 16.1°C | 13.2°C | 22.3°C | 8.2°C | 146 mm | 75% | 4.2 m/s | 2.5 |
| 1986 | 18.6°C | 15.0°C | 11.5°C | 22.6°C | 8.2°C | 155 mm | 78% | 4.6 m/s | 2.7 |
| 1985 | 20.3°C | 17.0°C | 13.7°C | 24.2°C | 7.6°C | 77 mm | 74% | 3.8 m/s | 2.7 |
| 1984 | 19.1°C | 15.2°C | 11.3°C | 24.5°C | 7.7°C | 77 mm | 73% | 3.7 m/s | 2.8 |
| 1983 | 20.5°C | 17.4°C | 14.2°C | 24.1°C | 10.7°C | 206 mm | 72% | 4.3 m/s | — |
| 1982 | 18.3°C | 14.8°C | 11.3°C | 23.9°C | 7.6°C | 167 mm | 71% | 4.3 m/s | — |
| 1981 ❄️ | 16.7°C | 14.1°C | 11.5°C | 20.5°C | 4.5°C | 164 mm | 75% | 4.8 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 19.1°C with lows near 12.7°C (mean 15.9°C), based on 45 years of NASA POWER data.
June averages 106 mm of rainfall in Yanchep, a relatively wet time of year. The wettest on record was 215 mm in 2005.
The hottest June reached 26.5°C in 2020. The coldest dipped to 4.5°C in 1981.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.6°C. Daytime highs moved from 19°C to 19.4°C and overnight lows from 12.4°C to 13.2°C over the same span.
June is one of the cooler months of the year in Yanchep and a relatively wet time of year, so plan for around 19.1°C daytime highs and 12.7°C at night.
Not quite — June is the 4th coolest month in Yanchep, averaging 15.9°C.
For June in Yanchep, pack light layers you can adjust through the day, with typical highs of 19.1°C and lows of 12.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 72% — moderately humid.
Average wind speed in June is 4.2 m/s. The windiest June on record averaged 5.1 m/s (1992).
The wettest June on record was 2005 with 215 mm. On average, June sees 106 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 Yanchep 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.
