June is one of the cooler months of the year in Port Lincoln, with average highs near 15.9°C and lows around 10.6°C (mean 13.3°C). It is a relatively wet time of year, averaging 61 mm of rainfall and 74% relative humidity across the period.
June is one of the cooler months of the year in Port Lincoln. Across 45 years of records, the warmest June in Port Lincoln was 2023 — when the month averaged 14.6°C — while the coldest was 2006 at 11.8°C. Typical June days reach 15.9°C with nights near 10.6°C. The long-term trend is warming, about 0.2°C per decade.
June is a relatively wet time of year in Port Lincoln, averaging 61 mm of rainfall. The wettest June on record was 1981 with 136 mm, while the driest was 2017 at 11 mm.
Relative humidity in Port Lincoln during June averages 74%. The most humid June was 1991 at 81%, and the least humid was 2019 at 69%.
June receives about 2.2 kWh/m²/day of solar energy in Port Lincoln. The sunniest Junes were 2017 and 2020 at 2.5 kWh/m²/day, and the cloudiest were 1998, 2008 and 2024, among others at 2.1.
Average wind speed in Port Lincoln during June is 5 m/s. The windiest June was 1981 at 7.1 m/s, while the calmest was 2017 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 12.8°C | 13.3°C | 13.4°C | 13.4°C | 13.7°C | +0.9°C |
| Avg High | 15.6°C | 15.8°C | 16.0°C | 16.0°C | 16.3°C | +0.7°C |
| Avg Low | 9.9°C | 10.7°C | 10.7°C | 10.8°C | 11.0°C | +1.1°C |
| Avg Rain | 62 mm | 69 mm | 70 mm | 54 mm | 42 mm | -20 mm |
June temperatures in Port Lincoln have risen by about 1.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 4.3°C (2002) to a record high of 25.1°C (2005).
Rainfall in June is a relatively wet time of year, averaging 61 mm, with a wettest year of 136 mm.
A quieter season to visit Port Lincoln
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Port Lincoln. That said, June — with days averaging 15.9°C and nights around 10.6°C (mean 13.3°C) and moderate rainfall (61 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 | 16.4°C | 13.9°C | 11.3°C | 20.6°C | 9.0°C | 43 mm | 70% | 5.6 m/s | 2.3 |
| 2024 | 16.2°C | 13.5°C | 10.8°C | 21.9°C | 7.4°C | 39 mm | 74% | 4.4 m/s | 2.1 |
| 2023 🔥 | 17.1°C | 14.6°C | 12.0°C | 25.0°C | 9.6°C | 54 mm | 72% | 5.9 m/s | 2.2 |
| 2022 | 16.0°C | 13.6°C | 11.3°C | 19.6°C | 7.1°C | 29 mm | 74% | 5.1 m/s | 2.3 |
| 2021 | 16.1°C | 13.4°C | 10.6°C | 20.9°C | 6.9°C | 56 mm | 72% | 5.3 m/s | 2.2 |
| 2020 | 15.9°C | 12.9°C | 9.9°C | 20.4°C | 5.6°C | 28 mm | 73% | 4.8 m/s | 2.5 |
| 2019 | 16.2°C | 13.2°C | 10.1°C | 21.7°C | 6.2°C | 21 mm | 69% | 5.1 m/s | 2.4 |
| 2018 | 16.0°C | 13.4°C | 10.8°C | 19.6°C | 7.2°C | 19 mm | 70% | 4.7 m/s | 2.2 |
| 2017 | 16.9°C | 13.6°C | 10.3°C | 19.4°C | 6.6°C | 11 mm | 69% | 2.7 m/s | 2.5 |
| 2016 | 15.9°C | 13.5°C | 11.2°C | 19.8°C | 7.5°C | 37 mm | 73% | 5.3 m/s | 2.3 |
| 2015 | 15.9°C | 13.2°C | 10.4°C | 19.6°C | 6.6°C | 35 mm | 75% | 4 m/s | 2.2 |
| 2014 | 16.0°C | 13.8°C | 11.6°C | 18.4°C | 9.4°C | 107 mm | 78% | 5.4 m/s | 2.2 |
| 2013 | 16.0°C | 13.7°C | 11.5°C | 19.4°C | 8.7°C | 93 mm | 78% | 4.5 m/s | 2.2 |
| 2012 | 15.5°C | 13.0°C | 10.6°C | 19.6°C | 5.9°C | 101 mm | 75% | 5.6 m/s | 2.3 |
| 2011 | 16.1°C | 13.4°C | 10.6°C | 19.0°C | 7.8°C | 44 mm | 75% | 5.2 m/s | 2.3 |
| 2010 | 15.5°C | 13.0°C | 10.5°C | 18.8°C | 5.8°C | 73 mm | 75% | 4.1 m/s | 2.3 |
| 2009 | 16.0°C | 13.6°C | 11.2°C | 18.6°C | 8.2°C | 127 mm | 76% | 5.7 m/s | 2.3 |
| 2008 | 16.8°C | 14.0°C | 11.1°C | 20.6°C | 7.2°C | 35 mm | 73% | 5.3 m/s | 2.1 |
| 2007 | 14.5°C | 12.5°C | 10.5°C | 16.5°C | 6.3°C | 43 mm | 76% | 4.3 m/s | 2.2 |
| 2006 ❄️ | 14.7°C | 11.8°C | 8.9°C | 16.7°C | 5.2°C | 41 mm | 74% | 3.7 m/s | 2.4 |
| 2005 | 16.8°C | 14.0°C | 11.3°C | 25.1°C | 8.4°C | 117 mm | 71% | 5.8 m/s | 2.2 |
| 2004 | 16.4°C | 13.8°C | 11.2°C | 22.6°C | 7.5°C | 67 mm | 75% | 6.3 m/s | 2.2 |
| 2003 | 15.5°C | 13.2°C | 10.8°C | 19.1°C | 7.0°C | 85 mm | 77% | 5.5 m/s | 2.2 |
| 2002 | 16.3°C | 13.6°C | 10.8°C | 19.6°C | 4.3°C | 56 mm | 72% | 6.1 m/s | 2.3 |
| 2001 | 16.9°C | 13.9°C | 10.8°C | 21.2°C | 7.2°C | 56 mm | 77% | 4.4 m/s | 2.2 |
| 2000 | 15.7°C | 13.1°C | 10.4°C | 19.5°C | 6.1°C | 75 mm | 75% | 4.9 m/s | 2.2 |
| 1999 | 16.0°C | 13.0°C | 10.0°C | 19.2°C | 7.1°C | 51 mm | 75% | 5.1 m/s | 2.4 |
| 1998 | 15.9°C | 13.1°C | 10.4°C | 23.2°C | 5.0°C | 84 mm | 73% | 5.4 m/s | 2.1 |
| 1997 | 15.4°C | 13.1°C | 10.8°C | 18.7°C | 7.3°C | 48 mm | 75% | 4.9 m/s | 2.1 |
| 1996 | 16.4°C | 13.8°C | 11.2°C | 20.6°C | 8.2°C | 96 mm | 75% | 5.3 m/s | 2.2 |
| 1995 | 15.5°C | 13.2°C | 10.8°C | 20.2°C | 6.4°C | 70 mm | 76% | 5.7 m/s | 2.1 |
| 1994 | 15.8°C | 13.4°C | 11.0°C | 21.9°C | 7.3°C | 89 mm | 75% | 5.1 m/s | 2.2 |
| 1993 | 15.0°C | 12.6°C | 10.3°C | 17.7°C | 6.1°C | 40 mm | 75% | 4.5 m/s | 2.2 |
| 1992 | 15.4°C | 12.8°C | 10.2°C | 19.1°C | 6.2°C | 59 mm | 77% | 4.6 m/s | 2.3 |
| 1991 | 17.0°C | 14.5°C | 12.1°C | 22.5°C | 10.4°C | 70 mm | 81% | 5.4 m/s | 2.2 |
| 1990 | 15.8°C | 13.1°C | 10.5°C | 22.1°C | 7.0°C | 86 mm | 72% | 5.4 m/s | 2.3 |
| 1989 | 14.1°C | 11.9°C | 9.6°C | 17.7°C | 5.0°C | 90 mm | 76% | 5.7 m/s | 2.1 |
| 1988 | 16.7°C | 13.7°C | 10.8°C | 21.8°C | 6.5°C | 55 mm | 73% | 5.4 m/s | 2.3 |
| 1987 | 16.1°C | 13.2°C | 10.3°C | 21.0°C | 7.7°C | 45 mm | 77% | 4.6 m/s | 2.2 |
| 1986 | 15.8°C | 13.0°C | 10.3°C | 20.1°C | 6.8°C | 33 mm | 74% | 3.9 m/s | 2.2 |
| 1985 | 16.0°C | 13.1°C | 10.3°C | 19.7°C | 6.6°C | 56 mm | 74% | 5.2 m/s | 2.3 |
| 1984 | 16.0°C | 12.7°C | 9.3°C | 20.8°C | 5.4°C | 26 mm | 71% | 4.3 m/s | 2.4 |
| 1983 | 15.6°C | 12.5°C | 9.5°C | 19.1°C | 7.0°C | 41 mm | 77% | 4.5 m/s | — |
| 1982 | 15.2°C | 12.1°C | 9.1°C | 18.7°C | 5.6°C | 75 mm | 72% | 4.7 m/s | — |
| 1981 🌧️ | 15.1°C | 12.7°C | 10.3°C | 17.3°C | 5.9°C | 136 mm | 78% | 7.1 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 15.9°C with lows near 10.6°C (mean 13.3°C), based on 45 years of NASA POWER data.
June averages 61 mm of rainfall in Port Lincoln, a relatively wet time of year. The wettest on record was 136 mm in 1981.
The hottest June reached 25.1°C in 2005. The coldest dipped to 4.3°C in 2002.
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 15.6°C to 16.4°C and overnight lows from 9.7°C to 11.2°C over the same span.
June is one of the cooler months of the year in Port Lincoln and a relatively wet time of year, so plan for around 15.9°C daytime highs and 10.6°C at night.
Not quite — June is the 3rd coolest month in Port Lincoln, averaging 13.3°C.
For June in Port Lincoln, pack light layers you can adjust through the day, with typical highs of 15.9°C and lows of 10.6°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 74% — moderately humid.
Average wind speed in June is 5 m/s. The windiest June on record averaged 7.1 m/s (1981).
The wettest June on record was 1981 with 136 mm. On average, June sees 61 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 Lincoln 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.
