June is one of the cooler months of the year in Port Augusta, with average highs near 17.4°C and lows around 6.8°C (mean 12.1°C). It is about average for rainfall, averaging 27 mm of rainfall and 70% relative humidity across the period.
June is one of the cooler months of the year in Port Augusta. Across 45 years of records, the warmest June in Port Augusta was 1991 — when the month averaged 14.2°C — while the coldest was 1989 at 10°C. Typical June days reach 17.4°C with nights near 6.8°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Port Augusta, averaging 27 mm of rainfall. The wettest June on record was 1991 with 80 mm, while the driest was 2017 at 2 mm.
Relative humidity in Port Augusta during June averages 70%. The most humid June was 2013 at 79%, and the least humid was 2018 at 60%.
June receives about 2.7 kWh/m²/day of solar energy in Port Augusta. The sunniest Junes were 2006 and 2017 at 3.1 kWh/m²/day, and the cloudiest was 1991 at 2.4.
Average wind speed in Port Augusta during June is 2.8 m/s. The windiest June was 1981 at 4 m/s, while the calmest was 2017 at 1.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.5°C | 12.4°C | 12.1°C | 12.1°C | 12.5°C | +1°C |
| Avg High | 17.0°C | 17.6°C | 17.4°C | 17.4°C | 17.8°C | +0.8°C |
| Avg Low | 6.0°C | 7.1°C | 6.8°C | 6.9°C | 7.2°C | +1.2°C |
| Avg Rain | 28 mm | 34 mm | 29 mm | 25 mm | 14 mm | -14 mm |
June temperatures in Port Augusta have risen by about 1.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 0.3°C (2007) to a record high of 26.7°C (2023).
Rainfall in June is about average for rainfall, averaging 27 mm, with a wettest year of 80 mm.
A quieter season to visit Port Augusta
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Port Augusta. That said, June — with days averaging 17.4°C and nights around 6.8°C (mean 12.1°C) and low rainfall (27 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 | 17.6°C | 12.3°C | 7.1°C | 22.6°C | 4.3°C | 13 mm | 67% | 3 m/s | 2.6 |
| 2024 | 17.7°C | 12.7°C | 7.6°C | 23.7°C | 4.2°C | 14 mm | 69% | 2.8 m/s | 2.5 |
| 2023 | 18.7°C | 13.4°C | 8.1°C | 26.7°C | 3.7°C | 25 mm | 65% | 3.4 m/s | 2.6 |
| 2022 | 17.4°C | 12.2°C | 7.1°C | 20.9°C | 2.4°C | 6 mm | 73% | 2.7 m/s | 2.7 |
| 2021 | 17.8°C | 12.7°C | 7.6°C | 23.2°C | 3.7°C | 24 mm | 70% | 3.2 m/s | 2.7 |
| 2020 | 17.9°C | 11.7°C | 5.5°C | 21.5°C | 1.5°C | 4 mm | 66% | 2.6 m/s | 3 |
| 2019 | 17.6°C | 11.8°C | 6.0°C | 24.1°C | 2.1°C | 9 mm | 64% | 2.7 m/s | 2.9 |
| 2018 | 17.7°C | 12.3°C | 6.8°C | 22.7°C | 2.2°C | 11 mm | 60% | 2.5 m/s | 2.7 |
| 2017 | 18.4°C | 12.4°C | 6.4°C | 20.8°C | 2.8°C | 2 mm | 64% | 1.8 m/s | 3.1 |
| 2016 | 17.2°C | 12.5°C | 7.9°C | 21.3°C | 2.9°C | 35 mm | 72% | 3 m/s | 2.5 |
| 2015 | 17.3°C | 12.0°C | 6.7°C | 21.5°C | 2.2°C | 38 mm | 74% | 2.5 m/s | 2.8 |
| 2014 | 17.4°C | 12.6°C | 7.7°C | 20.0°C | 4.0°C | 26 mm | 77% | 3.1 m/s | 2.6 |
| 2013 | 16.6°C | 12.4°C | 8.1°C | 20.5°C | 4.9°C | 67 mm | 79% | 2.5 m/s | 2.5 |
| 2012 | 16.6°C | 11.3°C | 6.0°C | 20.8°C | 1.5°C | 31 mm | 72% | 2.9 m/s | 2.8 |
| 2011 | 17.9°C | 12.2°C | 6.5°C | 22.5°C | 2.8°C | 14 mm | 71% | 2.7 m/s | 2.9 |
| 2010 | 16.9°C | 11.7°C | 6.6°C | 20.7°C | 1.8°C | 15 mm | 74% | 2.1 m/s | 2.8 |
| 2009 | 17.4°C | 12.5°C | 7.5°C | 21.2°C | 4.3°C | 44 mm | 72% | 3.2 m/s | 2.5 |
| 2008 | 18.2°C | 12.9°C | 7.5°C | 21.4°C | 3.7°C | 28 mm | 70% | 2.9 m/s | 2.7 |
| 2007 | 15.2°C | 10.4°C | 5.7°C | 19.3°C | 0.3°C | 11 mm | 76% | 2.5 m/s | 2.9 |
| 2006 | 16.3°C | 10.4°C | 4.4°C | 18.8°C | 0.4°C | 8 mm | 68% | 2.4 m/s | 3.1 |
| 2005 | 18.4°C | 13.3°C | 8.1°C | 26.4°C | 3.6°C | 35 mm | 64% | 3.4 m/s | 2.7 |
| 2004 | 17.8°C | 12.6°C | 7.5°C | 23.2°C | 3.0°C | 38 mm | 72% | 3.4 m/s | 2.8 |
| 2003 | 17.7°C | 12.4°C | 7.1°C | 23.6°C | 3.5°C | 20 mm | 68% | 2.9 m/s | 2.7 |
| 2002 | 17.9°C | 12.2°C | 6.5°C | 22.3°C | 0.5°C | 15 mm | 66% | 3.1 m/s | 2.8 |
| 2001 | 18.2°C | 12.5°C | 6.9°C | 23.8°C | 2.1°C | 71 mm | 71% | 2.4 m/s | 2.8 |
| 2000 | 17.1°C | 11.8°C | 6.5°C | 20.4°C | 2.7°C | 16 mm | 72% | 2.7 m/s | 2.7 |
| 1999 | 18.1°C | 12.3°C | 6.4°C | 22.2°C | 3.1°C | 26 mm | 68% | 2.8 m/s | 3 |
| 1998 | 17.3°C | 12.3°C | 7.3°C | 25.3°C | 2.0°C | 27 mm | 65% | 3.1 m/s | 2.6 |
| 1997 | 16.9°C | 11.6°C | 6.3°C | 22.6°C | 2.6°C | 4 mm | 68% | 2.8 m/s | 2.7 |
| 1996 | 18.7°C | 13.3°C | 8.0°C | 26.0°C | 3.2°C | 29 mm | 68% | 3 m/s | 2.6 |
| 1995 | 17.5°C | 12.7°C | 8.0°C | 24.7°C | 3.4°C | 47 mm | 70% | 3.4 m/s | 2.5 |
| 1994 | 17.7°C | 12.6°C | 7.5°C | 25.3°C | 3.9°C | 65 mm | 70% | 2.6 m/s | 2.7 |
| 1993 | 16.9°C | 11.4°C | 6.0°C | 20.7°C | 2.8°C | 16 mm | 73% | 2.6 m/s | 2.8 |
| 1992 | 17.0°C | 11.5°C | 6.1°C | 23.1°C | 3.0°C | 14 mm | 73% | 2.4 m/s | 2.9 |
| 1991 🔥 🌧️ | 19.1°C | 14.2°C | 9.3°C | 25.2°C | 6.6°C | 80 mm | 74% | 2.7 m/s | 2.4 |
| 1990 | 17.1°C | 11.7°C | 6.4°C | 22.4°C | 2.3°C | 37 mm | 73% | 3.3 m/s | 2.8 |
| 1989 ❄️ | 14.6°C | 10.0°C | 5.3°C | 18.6°C | 0.8°C | 50 mm | 78% | 3.1 m/s | 2.6 |
| 1988 | 17.9°C | 12.5°C | 7.0°C | 22.8°C | 3.0°C | 43 mm | 72% | 3.1 m/s | 2.7 |
| 1987 | 17.8°C | 12.5°C | 7.1°C | 22.8°C | 2.5°C | 21 mm | 71% | 2.8 m/s | 2.8 |
| 1986 | 16.9°C | 11.5°C | 6.1°C | 21.1°C | 2.2°C | 36 mm | 70% | 2.3 m/s | 2.7 |
| 1985 | 17.2°C | 11.4°C | 5.6°C | 20.7°C | 2.2°C | 13 mm | 67% | 2.7 m/s | 3 |
| 1984 | 17.5°C | 11.4°C | 5.3°C | 22.1°C | 1.0°C | 17 mm | 67% | 2.4 m/s | 3 |
| 1983 | 17.9°C | 12.2°C | 6.5°C | 21.6°C | 2.9°C | 11 mm | 68% | 2.4 m/s | — |
| 1982 | 16.8°C | 10.8°C | 4.8°C | 19.4°C | 0.9°C | 23 mm | 66% | 2.8 m/s | — |
| 1981 | 16.6°C | 11.6°C | 6.6°C | 20.7°C | 2.8°C | 40 mm | 72% | 4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 17.4°C with lows near 6.8°C (mean 12.1°C), based on 45 years of NASA POWER data.
June averages 27 mm of rainfall in Port Augusta, about average for rainfall. The wettest on record was 80 mm in 1991.
The hottest June reached 26.7°C in 2023. The coldest dipped to 0.3°C in 2007.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 1.2°C. Daytime highs moved from 17.2°C to 17.8°C and overnight lows from 5.8°C to 7.5°C over the same span.
June is one of the cooler months of the year in Port Augusta and about average for rainfall, so plan for around 17.4°C daytime highs and 6.8°C at night.
Not quite — June is the 2nd coolest month in Port Augusta, averaging 12.1°C.
For June in Port Augusta, pack warm layers and a jacket for chilly mornings, with typical highs of 17.4°C and lows of 6.8°C.
Relative humidity in June averages 70% — moderately humid.
Average wind speed in June is 2.8 m/s. The windiest June on record averaged 4 m/s (1981).
The wettest June on record was 1991 with 80 mm. On average, June sees 27 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 Port Augusta 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.
