June is one of the cooler months of the year in Wollongong, with average highs near 13.9°C and lows around 6.9°C (mean 10.4°C). It is about average for rainfall, averaging 87 mm of rainfall and 82% relative humidity across the period.
June is one of the cooler months of the year in Wollongong. Across 45 years of records, the warmest June in Wollongong was 2005 — when the month averaged 12.3°C — while the coldest was 1985 at 8.9°C. Typical June days reach 13.9°C with nights near 6.9°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Wollongong, averaging 87 mm of rainfall. The wettest June on record was 1991 with 453 mm, while the driest was 2022 at 5 mm.
Relative humidity in Wollongong during June averages 82%. The most humid June was 1989 at 91%, and the least humid was 2004 at 68%.
June receives about 2.4 kWh/m²/day of solar energy in Wollongong. The sunniest June was 2004 at 2.8 kWh/m²/day, and the cloudiest was 2013 at 1.9.
Average wind speed in Wollongong during June is 0.6 m/s. The windiest Junes were 2002, 2011 and 2022 at 0.7 m/s, while the calmest were 2015, 2017 and 2019, among others at 0.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.8°C | 10.3°C | 10.9°C | 10.6°C | 10.3°C | +0.5°C |
| Avg High | 13.3°C | 13.6°C | 14.6°C | 13.9°C | 13.9°C | +0.6°C |
| Avg Low | 6.2°C | 7.1°C | 7.3°C | 7.3°C | 6.6°C | +0.4°C |
| Avg Rain | 69 mm | 113 mm | 93 mm | 102 mm | 34 mm | -35 mm |
June temperatures in Wollongong have risen by about 0.7°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.1°C (2010) to a record high of 22°C (2005).
Rainfall in June is about average for rainfall, averaging 87 mm, with a wettest year of 453 mm.
A quieter season to visit Wollongong
If your dates are flexible, the more temperate months of January and December tend to be the most comfortable for visiting Wollongong. That said, June — with days averaging 13.9°C and nights around 6.9°C (mean 10.4°C) and higher rainfall (87 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 | 13.7°C | 9.6°C | 5.5°C | 18.5°C | 2.0°C | 7 mm | 78% | 0.6 m/s | 2.7 |
| 2024 | 13.2°C | 9.7°C | 6.2°C | 16.6°C | 2.8°C | 123 mm | 85% | 0.6 m/s | 2.2 |
| 2023 | 15.4°C | 11.3°C | 7.2°C | 20.0°C | 2.2°C | 10 mm | 74% | 0.6 m/s | 2.5 |
| 2022 | 12.7°C | 9.5°C | 6.3°C | 15.9°C | 3.5°C | 5 mm | 82% | 0.7 m/s | 2.6 |
| 2021 | 14.1°C | 10.5°C | 6.8°C | 18.6°C | 2.2°C | 47 mm | 81% | 0.6 m/s | 2.2 |
| 2020 | 14.5°C | 10.9°C | 7.3°C | 17.8°C | 3.4°C | 11 mm | 82% | 0.6 m/s | 2.5 |
| 2019 | 14.9°C | 11.1°C | 7.2°C | 19.8°C | 1.6°C | 71 mm | 81% | 0.5 m/s | 2.4 |
| 2018 | 14.1°C | 10.6°C | 7.1°C | 16.9°C | 3.6°C | 61 mm | 80% | 0.6 m/s | 2.2 |
| 2017 | 14.6°C | 10.9°C | 7.2°C | 16.8°C | 4.3°C | 59 mm | 83% | 0.5 m/s | 2.5 |
| 2016 | 14.0°C | 10.8°C | 7.7°C | 16.7°C | 1.8°C | 224 mm | 82% | 0.6 m/s | 2.2 |
| 2015 | 13.9°C | 10.2°C | 6.5°C | 17.0°C | 2.2°C | 61 mm | 85% | 0.5 m/s | 2.4 |
| 2014 | 14.9°C | 11.5°C | 8.1°C | 17.9°C | 4.4°C | 44 mm | 79% | 0.6 m/s | 2.4 |
| 2013 | 13.5°C | 10.9°C | 8.3°C | 17.4°C | 5.9°C | 256 mm | 88% | 0.6 m/s | 1.9 |
| 2012 | 12.9°C | 10.0°C | 7.1°C | 17.0°C | 3.2°C | 106 mm | 86% | 0.6 m/s | 2.2 |
| 2011 | 13.0°C | 10.1°C | 7.1°C | 16.4°C | 1.4°C | 70 mm | 82% | 0.7 m/s | 2.4 |
| 2010 | 13.4°C | 10.0°C | 6.5°C | 16.3°C | 0.1°C | 64 mm | 84% | 0.6 m/s | 2.6 |
| 2009 | 14.4°C | 11.0°C | 7.7°C | 17.6°C | 2.0°C | 54 mm | 81% | 0.6 m/s | 2.2 |
| 2008 | 14.9°C | 12.0°C | 9.1°C | 18.3°C | 5.4°C | 90 mm | 83% | 0.6 m/s | 2.1 |
| 2007 | 12.6°C | 9.6°C | 6.7°C | 18.0°C | 1.3°C | 314 mm | 88% | 0.6 m/s | 2 |
| 2006 | 12.7°C | 9.4°C | 6.0°C | 15.1°C | 1.2°C | 131 mm | 87% | 0.6 m/s | 2.3 |
| 2005 🔥 | 16.0°C | 12.3°C | 8.6°C | 22.0°C | 4.7°C | 149 mm | 77% | 0.6 m/s | 2.3 |
| 2004 | 16.2°C | 11.5°C | 6.8°C | 21.0°C | 4.6°C | 18 mm | 68% | 0.6 m/s | 2.8 |
| 2003 | 14.6°C | 11.1°C | 7.6°C | 18.8°C | 3.7°C | 56 mm | 82% | 0.6 m/s | 2.6 |
| 2002 | 15.0°C | 10.9°C | 6.9°C | 21.2°C | 1.4°C | 33 mm | 72% | 0.7 m/s | 2.4 |
| 2001 | 16.3°C | 11.8°C | 7.4°C | 19.2°C | 3.8°C | 23 mm | 76% | 0.6 m/s | 2.5 |
| 2000 | 13.7°C | 9.8°C | 6.0°C | 18.0°C | 2.5°C | 64 mm | 80% | 0.6 m/s | 2.4 |
| 1999 | 14.0°C | 10.9°C | 7.9°C | 17.7°C | 3.4°C | 61 mm | 82% | 0.6 m/s | 2.3 |
| 1998 | 13.3°C | 10.4°C | 7.6°C | 18.7°C | 3.6°C | 114 mm | 85% | 0.6 m/s | 2.1 |
| 1997 | 14.5°C | 10.6°C | 6.8°C | 21.3°C | 3.3°C | 150 mm | 81% | 0.6 m/s | 2.3 |
| 1996 | 13.9°C | 10.7°C | 7.6°C | 19.9°C | 2.0°C | 64 mm | 85% | 0.6 m/s | 2.4 |
| 1995 | 12.8°C | 9.8°C | 6.9°C | 19.0°C | 3.6°C | 54 mm | 84% | 0.6 m/s | 2.3 |
| 1994 | 13.4°C | 10.1°C | 6.9°C | 18.2°C | 3.1°C | 78 mm | 82% | 0.6 m/s | 2.4 |
| 1993 | 13.9°C | 9.9°C | 5.9°C | 17.1°C | 1.6°C | 33 mm | 76% | 0.6 m/s | 2.5 |
| 1992 | 12.9°C | 9.6°C | 6.2°C | 17.5°C | 2.4°C | 80 mm | 83% | 0.5 m/s | 2.4 |
| 1991 🌧️ | 14.9°C | 11.9°C | 8.8°C | 20.0°C | 3.8°C | 453 mm | 84% | 0.6 m/s | 2.1 |
| 1990 | 12.4°C | 9.2°C | 6.0°C | 16.0°C | 1.7°C | 43 mm | 86% | 0.6 m/s | 2.4 |
| 1989 | 12.4°C | 9.9°C | 7.3°C | 16.0°C | 2.7°C | 174 mm | 91% | 0.6 m/s | 2.2 |
| 1988 | 13.7°C | 10.4°C | 7.1°C | 17.8°C | 3.9°C | 59 mm | 85% | 0.6 m/s | 2.5 |
| 1987 | 14.9°C | 11.0°C | 7.2°C | 20.4°C | 3.1°C | 38 mm | 80% | 0.6 m/s | 2.3 |
| 1986 | 13.9°C | 9.7°C | 5.4°C | 19.0°C | 1.8°C | 15 mm | 74% | 0.6 m/s | 2.6 |
| 1985 ❄️ | 12.7°C | 8.9°C | 5.2°C | 15.7°C | 1.0°C | 74 mm | 84% | 0.6 m/s | 2.6 |
| 1984 | 14.2°C | 10.1°C | 5.9°C | 17.7°C | 2.0°C | 81 mm | 83% | 0.6 m/s | 2.6 |
| 1983 | 12.4°C | 9.3°C | 6.3°C | 15.2°C | 1.2°C | 63 mm | 84% | 0.5 m/s | — |
| 1982 | 13.1°C | 9.5°C | 5.9°C | 17.4°C | 2.1°C | 67 mm | 80% | 0.6 m/s | — |
| 1981 | 12.7°C | 9.2°C | 5.8°C | 15.9°C | 1.2°C | 46 mm | 81% | 0.6 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 13.9°C with lows near 6.9°C (mean 10.4°C), based on 45 years of NASA POWER data.
June averages 87 mm of rainfall in Wollongong, about average for rainfall. The wettest on record was 453 mm in 1991.
The hottest June reached 22°C in 2005. The coldest dipped to 0.1°C in 2010.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.7°C. Daytime highs moved from 13°C to 13.8°C and overnight lows from 5.8°C to 6.4°C over the same span.
June is one of the cooler months of the year in Wollongong and about average for rainfall, so plan for around 13.9°C daytime highs and 6.9°C at night.
Not quite — June is the 2nd coolest month in Wollongong, averaging 10.4°C.
For June in Wollongong, pack warm layers and a jacket for chilly mornings, with typical highs of 13.9°C and lows of 6.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 82% — quite humid.
Average wind speed in June is 0.6 m/s. The windiest June on record averaged 0.7 m/s (2002).
The wettest June on record was 1991 with 453 mm. On average, June sees 87 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 Wollongong 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.
