June is one of the cooler months of the year in Southern Cross, with average highs near 18°C and lows around 6.1°C (mean 12.1°C). It is about average for rainfall, averaging 36 mm of rainfall and 68% relative humidity across the period.
June is one of the cooler months of the year in Southern Cross. Across 45 years of records, the warmest June in Southern Cross was 1983 — when the month averaged 14°C — while the coldest was 1981 at 9.3°C. Typical June days reach 18°C with nights near 6.1°C. The long-term trend is warming, about 0.2°C per decade.
June is about average for rainfall in Southern Cross, averaging 36 mm of rainfall. The wettest June on record was 1998 with 75 mm, while the driest was 2001 at 4 mm.
Relative humidity in Southern Cross during June averages 68%. The most humid June was 1992 at 76%, and the least humid was 2017 at 57%.
June receives about 2.8 kWh/m²/day of solar energy in Southern Cross. The sunniest Junes were 1984 and 2006 at 3.2 kWh/m²/day, and the cloudiest were 1991 and 2024 at 2.5.
Average wind speed in Southern Cross during June is 2.9 m/s. The windiest Junes were 1986, 1992 and 2009, among others at 3.4 m/s, while the calmest was 2010 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.9°C | 11.7°C | 12.1°C | 12.3°C | 12.6°C | +0.7°C |
| Avg High | 17.9°C | 17.3°C | 18.2°C | 18.3°C | 18.5°C | +0.6°C |
| Avg Low | 5.9°C | 6.0°C | 6.0°C | 6.2°C | 6.8°C | +0.9°C |
| Avg Rain | 46 mm | 46 mm | 28 mm | 31 mm | 25 mm | -21 mm |
June temperatures in Southern Cross have risen by about 0.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -3°C (1981) to a record high of 28.2°C (2017).
Rainfall in June is about average for rainfall, averaging 36 mm, with a wettest year of 75 mm.
A quieter season to visit Southern Cross
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Southern Cross. That said, June — with days averaging 18°C and nights around 6.1°C (mean 12.1°C) and moderate rainfall (36 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 | 19.6°C | 13.6°C | 7.6°C | 25.5°C | 3.6°C | 19 mm | 66% | 2.8 m/s | 2.8 |
| 2024 | 19.0°C | 13.5°C | 7.9°C | 24.9°C | 2.1°C | 44 mm | 69% | 2.7 m/s | 2.5 |
| 2023 | 15.6°C | 10.5°C | 5.3°C | 20.8°C | 1.4°C | 31 mm | 74% | 3 m/s | 2.6 |
| 2022 | 19.2°C | 13.2°C | 7.2°C | 24.5°C | 2.7°C | 11 mm | 68% | 2.8 m/s | 2.8 |
| 2021 | 17.0°C | 11.4°C | 5.8°C | 21.5°C | 1.2°C | 22 mm | 69% | 2.7 m/s | 2.8 |
| 2020 | 20.3°C | 13.7°C | 7.1°C | 26.0°C | 2.5°C | 20 mm | 60% | 3 m/s | 3 |
| 2019 | 17.8°C | 11.8°C | 5.9°C | 24.2°C | 1.0°C | 67 mm | 64% | 3.2 m/s | 2.7 |
| 2018 | 18.1°C | 12.2°C | 6.3°C | 25.3°C | 2.0°C | 34 mm | 66% | 2.5 m/s | 2.8 |
| 2017 | 20.3°C | 13.5°C | 6.7°C | 28.2°C | 1.6°C | 9 mm | 57% | 2.5 m/s | 3.1 |
| 2016 | 16.4°C | 10.9°C | 5.5°C | 22.6°C | 0.5°C | 34 mm | 74% | 2.7 m/s | 2.7 |
| 2015 | 19.5°C | 13.1°C | 6.7°C | 25.9°C | 2.7°C | 37 mm | 67% | 2.9 m/s | 3 |
| 2014 | 18.1°C | 11.8°C | 5.4°C | 22.8°C | 1.4°C | 13 mm | 66% | 2.9 m/s | 3 |
| 2013 | 18.2°C | 12.0°C | 5.7°C | 22.3°C | 2.9°C | 9 mm | 70% | 2.4 m/s | 2.8 |
| 2012 | 18.1°C | 12.3°C | 6.4°C | 24.2°C | 1.1°C | 52 mm | 66% | 3 m/s | 2.8 |
| 2011 | 18.6°C | 12.9°C | 7.3°C | 23.1°C | 3.5°C | 33 mm | 70% | 3.2 m/s | 2.9 |
| 2010 | 18.1°C | 12.1°C | 6.0°C | 24.3°C | -0.4°C | 19 mm | 64% | 2.3 m/s | 2.9 |
| 2009 | 17.5°C | 11.8°C | 6.2°C | 23.2°C | 1.1°C | 51 mm | 70% | 3.4 m/s | 2.7 |
| 2008 | 18.7°C | 12.6°C | 6.4°C | 23.5°C | 3.0°C | 27 mm | 66% | 3 m/s | 3.1 |
| 2007 | 17.9°C | 12.1°C | 6.3°C | 22.3°C | 1.8°C | 17 mm | 65% | 3.3 m/s | 2.8 |
| 2006 | 18.1°C | 11.0°C | 3.8°C | 24.2°C | 0.0°C | 8 mm | 62% | 2.6 m/s | 3.2 |
| 2005 | 16.2°C | 11.2°C | 6.2°C | 23.2°C | 2.7°C | 68 mm | 73% | 3.3 m/s | 2.6 |
| 2004 | 19.0°C | 13.1°C | 7.2°C | 25.7°C | 2.7°C | 38 mm | 71% | 3.3 m/s | 2.7 |
| 2003 | 17.3°C | 11.3°C | 5.3°C | 22.6°C | 0.8°C | 30 mm | 71% | 3.1 m/s | 2.9 |
| 2002 | 19.1°C | 12.8°C | 6.5°C | 24.5°C | 2.8°C | 22 mm | 62% | 3.2 m/s | 2.6 |
| 2001 | 19.6°C | 12.6°C | 5.7°C | 25.1°C | 2.5°C | 4 mm | 60% | 2.4 m/s | 3.1 |
| 2000 | 18.3°C | 12.1°C | 5.9°C | 22.8°C | 1.8°C | 15 mm | 66% | 3.1 m/s | 2.9 |
| 1999 | 16.8°C | 11.0°C | 5.2°C | 20.1°C | 1.0°C | 29 mm | 76% | 2.6 m/s | 3.1 |
| 1998 🌧️ | 17.3°C | 11.6°C | 5.9°C | 26.7°C | 0.5°C | 75 mm | 70% | 3.3 m/s | 2.9 |
| 1997 | 18.6°C | 12.7°C | 6.7°C | 23.0°C | 2.0°C | 17 mm | 66% | 2.9 m/s | 2.8 |
| 1996 | 18.7°C | 13.2°C | 7.7°C | 22.4°C | 3.5°C | 62 mm | 71% | 3.2 m/s | 2.7 |
| 1995 | 16.2°C | 11.0°C | 5.8°C | 24.0°C | 2.3°C | 42 mm | 75% | 3.2 m/s | 2.8 |
| 1994 | 18.1°C | 11.8°C | 5.4°C | 23.9°C | 0.7°C | 29 mm | 64% | 2.6 m/s | 3 |
| 1993 | 15.9°C | 10.6°C | 5.3°C | 18.2°C | 2.4°C | 62 mm | 74% | 3.2 m/s | 2.7 |
| 1992 | 17.1°C | 11.8°C | 6.6°C | 20.4°C | 2.6°C | 65 mm | 76% | 3.4 m/s | 2.8 |
| 1991 | 18.1°C | 13.0°C | 7.9°C | 22.8°C | 4.4°C | 55 mm | 72% | 2.9 m/s | 2.5 |
| 1990 | 16.5°C | 10.1°C | 3.6°C | 23.2°C | 0.6°C | 20 mm | 65% | 2.7 m/s | 3 |
| 1989 | 16.0°C | 10.5°C | 4.9°C | 20.2°C | 0.8°C | 69 mm | 75% | 2.7 m/s | 2.9 |
| 1988 | 18.2°C | 12.6°C | 7.1°C | 25.0°C | 1.3°C | 44 mm | 72% | 3.3 m/s | 2.6 |
| 1987 | 18.6°C | 12.8°C | 6.9°C | 22.3°C | 2.7°C | 43 mm | 66% | 3 m/s | 2.7 |
| 1986 | 17.6°C | 12.3°C | 6.9°C | 22.7°C | 2.6°C | 66 mm | 71% | 3.4 m/s | 2.6 |
| 1985 | 20.3°C | 13.6°C | 6.8°C | 26.5°C | 1.3°C | 15 mm | 60% | 2.5 m/s | 3 |
| 1984 | 18.5°C | 11.6°C | 4.7°C | 24.1°C | 0.4°C | 21 mm | 66% | 2.5 m/s | 3.2 |
| 1983 🔥 | 20.0°C | 14.0°C | 8.0°C | 25.6°C | 4.6°C | 48 mm | 61% | 3.1 m/s | — |
| 1982 | 17.0°C | 10.6°C | 4.2°C | 21.7°C | -0.6°C | 47 mm | 66% | 2.9 m/s | — |
| 1981 ❄️ | 14.8°C | 9.3°C | 3.7°C | 18.5°C | -3.0°C | 62 mm | 74% | 3.4 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18°C with lows near 6.1°C (mean 12.1°C), based on 45 years of NASA POWER data.
June averages 36 mm of rainfall in Southern Cross, about average for rainfall. The wettest on record was 75 mm in 1998.
The hottest June reached 28.2°C in 2017. The coldest dipped to -3°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 18.1°C to 18.1°C and overnight lows from 5.5°C to 6.8°C over the same span.
June is one of the cooler months of the year in Southern Cross and about average for rainfall, so plan for around 18°C daytime highs and 6.1°C at night.
Not quite — June is the 2nd coolest month in Southern Cross, averaging 12.1°C.
For June in Southern Cross, pack warm layers and a jacket for chilly mornings, with typical highs of 18°C and lows of 6.1°C.
Relative humidity in June averages 68% — moderately humid.
Average wind speed in June is 2.9 m/s. The windiest June on record averaged 3.4 m/s (1981).
The wettest June on record was 1998 with 75 mm. On average, June sees 36 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 Southern Cross 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.
