June is one of the cooler months of the year in Mount Gambier, with average highs near 13.9°C and lows around 9.5°C (mean 11.7°C). It is a relatively wet time of year, averaging 94 mm of rainfall and 81% relative humidity across the period.
June is one of the cooler months of the year in Mount Gambier. Across 45 years of records, the warmest June in Mount Gambier was 1991 — when the month averaged 12.8°C — while the coldest was 1982 at 10.6°C. Typical June days reach 13.9°C with nights near 9.5°C. The long-term June temperature trend is broadly flat.
June is a relatively wet time of year in Mount Gambier, averaging 94 mm of rainfall. The wettest June on record was 2003 with 162 mm, while the driest was 2017 at 29 mm.
Relative humidity in Mount Gambier during June averages 81%. The most humid June was 1991 at 86%, and the least humid was 2025 at 76%.
June receives about 1.9 kWh/m²/day of solar energy in Mount Gambier. The sunniest Junes were 1994, 2006 and 2020, among others at 2.1 kWh/m²/day, and the cloudiest were 2001, 2004 and 2014 at 1.7.
Average wind speed in Mount Gambier during June is 4 m/s. The windiest June was 2004 at 5.4 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 | 11.3°C | 11.7°C | 12.0°C | 11.7°C | 11.9°C | +0.6°C |
| Avg High | 13.5°C | 13.9°C | 14.1°C | 14.0°C | 14.1°C | +0.6°C |
| Avg Low | 9.2°C | 9.5°C | 9.9°C | 9.5°C | 9.7°C | +0.5°C |
| Avg Rain | 103 mm | 102 mm | 98 mm | 85 mm | 79 mm | -24 mm |
June temperatures in Mount Gambier have risen by about 0.8°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 3.4°C (1982) to a record high of 21°C (2005).
Rainfall in June is a relatively wet time of year, averaging 94 mm, with a wettest year of 162 mm.
A quieter season to visit Mount Gambier
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Mount Gambier. That said, June — with days averaging 13.9°C and nights around 9.5°C (mean 11.7°C) and higher rainfall (94 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 | 14.4°C | 12.0°C | 9.6°C | 18.8°C | 6.5°C | 95 mm | 76% | 4.2 m/s | 2 |
| 2024 | 13.8°C | 11.4°C | 8.9°C | 16.0°C | 5.6°C | 41 mm | 76% | 3.2 m/s | 1.8 |
| 2023 | 14.5°C | 12.6°C | 10.8°C | 18.8°C | 5.9°C | 100 mm | 79% | 4.8 m/s | 1.8 |
| 2022 | 13.6°C | 11.8°C | 10.1°C | 15.7°C | 5.8°C | 95 mm | 80% | 4.4 m/s | 1.8 |
| 2021 | 14.4°C | 12.0°C | 9.5°C | 17.7°C | 6.5°C | 97 mm | 82% | 3.9 m/s | 1.8 |
| 2020 | 13.7°C | 11.4°C | 9.1°C | 15.6°C | 5.4°C | 47 mm | 80% | 3.6 m/s | 2.1 |
| 2019 | 14.5°C | 12.0°C | 9.5°C | 19.0°C | 4.4°C | 61 mm | 77% | 3.9 m/s | 2 |
| 2018 | 14.0°C | 11.6°C | 9.2°C | 16.9°C | 5.9°C | 68 mm | 77% | 3.7 m/s | 1.9 |
| 2017 | 14.1°C | 11.7°C | 9.2°C | 16.7°C | 5.7°C | 29 mm | 81% | 2.7 m/s | 2 |
| 2016 | 13.8°C | 11.5°C | 9.3°C | 16.2°C | 5.6°C | 74 mm | 81% | 4 m/s | 1.9 |
| 2015 | 13.8°C | 11.7°C | 9.5°C | 17.9°C | 5.6°C | 43 mm | 80% | 3.6 m/s | 1.8 |
| 2014 | 14.3°C | 12.3°C | 10.3°C | 16.8°C | 7.3°C | 139 mm | 83% | 4.2 m/s | 1.7 |
| 2013 | 14.3°C | 12.0°C | 9.7°C | 17.3°C | 5.7°C | 95 mm | 84% | 3.7 m/s | 1.9 |
| 2012 | 13.1°C | 11.2°C | 9.3°C | 16.9°C | 4.1°C | 147 mm | 80% | 4.3 m/s | 1.8 |
| 2011 | 14.0°C | 11.8°C | 9.6°C | 18.0°C | 5.3°C | 95 mm | 80% | 4.6 m/s | 2 |
| 2010 | 13.6°C | 11.5°C | 9.4°C | 15.5°C | 5.9°C | 94 mm | 80% | 3.5 m/s | 1.9 |
| 2009 | 14.3°C | 11.7°C | 9.1°C | 16.9°C | 6.4°C | 101 mm | 83% | 3.5 m/s | 1.9 |
| 2008 | 15.0°C | 12.7°C | 10.4°C | 17.5°C | 6.4°C | 63 mm | 80% | 4.3 m/s | 1.9 |
| 2007 | 12.8°C | 11.3°C | 9.8°C | 14.5°C | 5.2°C | 68 mm | 79% | 3.8 m/s | 2 |
| 2006 | 13.3°C | 11.0°C | 8.7°C | 15.7°C | 5.1°C | 41 mm | 80% | 3.1 m/s | 2.1 |
| 2005 | 15.0°C | 12.3°C | 9.6°C | 21.0°C | 5.1°C | 124 mm | 80% | 3.4 m/s | 1.9 |
| 2004 | 14.0°C | 12.1°C | 10.2°C | 18.2°C | 7.9°C | 161 mm | 80% | 5.4 m/s | 1.7 |
| 2003 🌧️ | 13.8°C | 11.8°C | 9.7°C | 17.9°C | 4.4°C | 162 mm | 83% | 4.5 m/s | 1.9 |
| 2002 | 14.5°C | 12.4°C | 10.3°C | 18.3°C | 7.1°C | 97 mm | 77% | 5.1 m/s | 2 |
| 2001 | 14.7°C | 12.7°C | 10.7°C | 17.9°C | 7.2°C | 78 mm | 83% | 4.1 m/s | 1.7 |
| 2000 | 13.9°C | 12.0°C | 10.0°C | 16.6°C | 5.3°C | 88 mm | 81% | 4.1 m/s | 1.9 |
| 1999 | 14.1°C | 11.6°C | 9.1°C | 17.7°C | 5.4°C | 100 mm | 81% | 4 m/s | 1.9 |
| 1998 | 13.5°C | 11.1°C | 8.7°C | 20.7°C | 4.4°C | 109 mm | 79% | 4.2 m/s | 1.8 |
| 1997 | 14.3°C | 12.0°C | 9.6°C | 18.1°C | 5.1°C | 56 mm | 79% | 4 m/s | 1.9 |
| 1996 | 14.1°C | 11.8°C | 9.5°C | 16.4°C | 5.7°C | 137 mm | 82% | 3.9 m/s | 1.9 |
| 1995 | 13.7°C | 11.7°C | 9.6°C | 18.1°C | 5.1°C | 93 mm | 81% | 4.4 m/s | 1.8 |
| 1994 | 13.9°C | 11.8°C | 9.7°C | 16.5°C | 5.2°C | 97 mm | 82% | 4 m/s | 2.1 |
| 1993 | 13.3°C | 11.5°C | 9.7°C | 15.1°C | 6.4°C | 80 mm | 81% | 4 m/s | 1.9 |
| 1992 | 13.0°C | 11.2°C | 9.3°C | 14.9°C | 5.7°C | 85 mm | 83% | 3.9 m/s | 1.9 |
| 1991 🔥 | 15.1°C | 12.8°C | 10.4°C | 16.6°C | 6.4°C | 155 mm | 86% | 4.2 m/s | 1.8 |
| 1990 | 14.3°C | 11.9°C | 9.5°C | 18.1°C | 5.7°C | 104 mm | 78% | 4.4 m/s | 2 |
| 1989 | 12.7°C | 10.8°C | 8.9°C | 15.5°C | 5.8°C | 142 mm | 84% | 3.8 m/s | 1.9 |
| 1988 | 14.3°C | 12.1°C | 9.9°C | 19.4°C | 6.7°C | 119 mm | 82% | 4.1 m/s | 1.9 |
| 1987 | 14.1°C | 11.7°C | 9.4°C | 18.8°C | 6.3°C | 77 mm | 85% | 3.4 m/s | 2 |
| 1986 | 13.3°C | 11.3°C | 9.4°C | 16.1°C | 6.0°C | 64 mm | 82% | 3.6 m/s | 2 |
| 1985 | 13.3°C | 11.4°C | 9.5°C | 16.4°C | 5.3°C | 99 mm | 81% | 4.3 m/s | 2 |
| 1984 | 13.9°C | 11.7°C | 9.4°C | 17.8°C | 4.9°C | 66 mm | 80% | 3.8 m/s | 2.1 |
| 1983 | 13.5°C | 11.2°C | 8.9°C | 16.3°C | 5.3°C | 111 mm | 83% | 3.8 m/s | — |
| 1982 ❄️ | 13.0°C | 10.6°C | 8.3°C | 15.4°C | 3.4°C | 95 mm | 80% | 3.7 m/s | — |
| 1981 | 13.2°C | 10.9°C | 8.7°C | 16.6°C | 4.7°C | 149 mm | 83% | 4.3 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 9.5°C (mean 11.7°C), based on 45 years of NASA POWER data.
June averages 94 mm of rainfall in Mount Gambier, a relatively wet time of year. The wettest on record was 162 mm in 2003.
The hottest June reached 21°C in 2005. The coldest dipped to 3.4°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.8°C. Daytime highs moved from 13.4°C to 14.1°C and overnight lows from 9°C to 9.8°C over the same span.
June is one of the cooler months of the year in Mount Gambier and a relatively wet time of year, so plan for around 13.9°C daytime highs and 9.5°C at night.
Not quite — June is the 3rd coolest month in Mount Gambier, averaging 11.7°C.
For June in Mount Gambier, pack light layers you can adjust through the day, with typical highs of 13.9°C and lows of 9.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 81% — quite humid.
Average wind speed in June is 4 m/s. The windiest June on record averaged 5.4 m/s (2004).
The wettest June on record was 2003 with 162 mm. On average, June sees 94 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 Mount Gambier 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.
