June is one of the cooler months of the year in Coolum Beach, with average highs near 20.1°C and lows around 15.7°C (mean 17.9°C). It is one of the drier months, averaging 92 mm of rainfall and 73% relative humidity across the period.
June is one of the cooler months of the year in Coolum Beach. Across 45 years of records, the warmest June in Coolum Beach was 2001 — when the month averaged 19.4°C — while the coldest was 1982 at 16°C. Typical June days reach 20.1°C with nights near 15.7°C. The long-term trend is warming, about 0.3°C per decade.
June is one of the drier months in Coolum Beach, averaging 92 mm of rainfall. The wettest June on record was 1983 with 373 mm, while the driest was 2022 at 9 mm.
Relative humidity in Coolum Beach during June averages 73%. The most humid June was 2012 at 80%, and the least humid was 2023 at 65%.
June receives about 3.2 kWh/m²/day of solar energy in Coolum Beach. The sunniest June was 2024 at 3.6 kWh/m²/day, and the cloudiest were 2005, 2007 and 2012 at 2.7.
Average wind speed in Coolum Beach during June is 3.2 m/s. The windiest June was 1983 at 3.9 m/s, while the calmest was 2023 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.1°C | 17.7°C | 18.2°C | 18.2°C | 18.2°C | +1.1°C |
| Avg High | 19.3°C | 19.8°C | 20.4°C | 20.3°C | 20.7°C | +1.4°C |
| Avg Low | 15.0°C | 15.5°C | 16.1°C | 16.0°C | 15.7°C | +0.7°C |
| Avg Rain | 119 mm | 87 mm | 108 mm | 90 mm | 33 mm | -86 mm |
June temperatures in Coolum Beach have risen by about 1.2°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 8.2°C (1990) to a record high of 25.7°C (2023).
Rainfall in June is one of the drier months, averaging 92 mm, with a wettest year of 373 mm.
A good time to visit Coolum Beach
June is a good time to visit Coolum Beach, with days averaging 20.1°C and nights around 15.7°C (mean 17.9°C, cooler than Coolum Beach's yearly average) and higher rainfall. October and September are marginally more temperate, but June still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.1°C | 18.0°C | 15.9°C | 22.8°C | 11.2°C | 57 mm | 73% | 3.2 m/s | 3.2 |
| 2024 | 21.1°C | 18.1°C | 15.2°C | 24.2°C | 12.4°C | 24 mm | 66% | 2.6 m/s | 3.6 |
| 2023 | 22.1°C | 19.3°C | 16.5°C | 25.7°C | 12.1°C | 17 mm | 65% | 2.5 m/s | 3.5 |
| 2022 | 19.2°C | 16.8°C | 14.4°C | 20.9°C | 9.5°C | 9 mm | 73% | 2.8 m/s | 3.4 |
| 2021 | 20.6°C | 18.1°C | 15.6°C | 23.4°C | 10.2°C | 36 mm | 70% | 3 m/s | 3.2 |
| 2020 | 20.9°C | 18.8°C | 16.7°C | 23.8°C | 11.7°C | 53 mm | 73% | 3.3 m/s | 3.2 |
| 2019 | 20.7°C | 18.5°C | 16.4°C | 23.3°C | 11.9°C | 90 mm | 74% | 3.1 m/s | 3.2 |
| 2018 | 20.7°C | 18.3°C | 15.9°C | 23.5°C | 10.9°C | 47 mm | 71% | 3.1 m/s | 3.2 |
| 2017 | 21.4°C | 19.1°C | 16.7°C | 23.4°C | 13.1°C | 40 mm | 74% | 3.4 m/s | 3.3 |
| 2016 | 20.5°C | 18.2°C | 16.0°C | 24.5°C | 10.0°C | 188 mm | 73% | 3.4 m/s | 2.8 |
| 2015 | 20.6°C | 18.7°C | 16.8°C | 22.5°C | 12.9°C | 63 mm | 74% | 3.2 m/s | 3.1 |
| 2014 | 21.1°C | 18.9°C | 16.7°C | 23.2°C | 12.5°C | 36 mm | 72% | 2.9 m/s | 3.2 |
| 2013 | 19.4°C | 17.5°C | 15.6°C | 21.7°C | 11.1°C | 140 mm | 78% | 3.2 m/s | 2.9 |
| 2012 | 19.1°C | 17.2°C | 15.3°C | 21.4°C | 11.7°C | 215 mm | 80% | 3.8 m/s | 2.7 |
| 2011 | 19.1°C | 16.9°C | 14.7°C | 22.4°C | 10.9°C | 30 mm | 71% | 3.1 m/s | 3.3 |
| 2010 | 20.2°C | 18.2°C | 16.1°C | 21.9°C | 12.8°C | 49 mm | 72% | 3.1 m/s | 3 |
| 2009 | 19.8°C | 17.7°C | 15.7°C | 21.9°C | 10.3°C | 123 mm | 76% | 2.7 m/s | 3.3 |
| 2008 | 20.4°C | 18.5°C | 16.6°C | 22.6°C | 12.8°C | 149 mm | 78% | 2.8 m/s | 3.1 |
| 2007 | 19.0°C | 16.9°C | 14.8°C | 22.9°C | 10.0°C | 174 mm | 76% | 3.2 m/s | 2.7 |
| 2006 | 20.3°C | 18.4°C | 16.5°C | 22.7°C | 13.3°C | 133 mm | 71% | 3.5 m/s | 3 |
| 2005 | 20.3°C | 18.5°C | 16.7°C | 22.9°C | 10.4°C | 191 mm | 78% | 3.3 m/s | 2.7 |
| 2004 | 21.4°C | 18.7°C | 16.0°C | 24.3°C | 10.2°C | 25 mm | 67% | 2.9 m/s | 3.5 |
| 2003 | 20.9°C | 18.7°C | 16.5°C | 24.1°C | 12.1°C | 38 mm | 75% | 2.9 m/s | 3 |
| 2002 | 21.0°C | 18.6°C | 16.2°C | 25.0°C | 11.2°C | 95 mm | 69% | 3.6 m/s | 3.2 |
| 2001 🔥 | 21.6°C | 19.4°C | 17.3°C | 25.0°C | 11.6°C | 55 mm | 71% | 3.1 m/s | 3.3 |
| 2000 | 18.9°C | 16.9°C | 14.8°C | 21.3°C | 9.8°C | 100 mm | 75% | 3.5 m/s | 3.2 |
| 1999 | 19.1°C | 17.2°C | 15.4°C | 22.0°C | 10.6°C | 236 mm | 76% | 3.7 m/s | 3.1 |
| 1998 | 20.7°C | 18.3°C | 15.9°C | 23.0°C | 9.9°C | 36 mm | 74% | 3 m/s | 3 |
| 1997 | 19.7°C | 17.8°C | 15.9°C | 21.6°C | 10.5°C | 53 mm | 74% | 3.2 m/s | 3 |
| 1996 | 20.2°C | 18.4°C | 16.6°C | 22.2°C | 12.3°C | 119 mm | 75% | 3.2 m/s | 3.1 |
| 1995 | 19.8°C | 17.6°C | 15.4°C | 22.5°C | 9.7°C | 83 mm | 73% | 3.5 m/s | 3.2 |
| 1994 | 19.7°C | 17.3°C | 14.9°C | 22.3°C | 11.9°C | 41 mm | 69% | 2.9 m/s | 3.5 |
| 1993 | 20.7°C | 18.2°C | 15.6°C | 23.9°C | 11.6°C | 28 mm | 70% | 3.1 m/s | 3.3 |
| 1992 | 18.6°C | 16.4°C | 14.3°C | 20.9°C | 10.2°C | 44 mm | 74% | 2.9 m/s | 3.4 |
| 1991 | 21.2°C | 18.6°C | 15.9°C | 24.1°C | 12.5°C | 82 mm | 73% | 2.6 m/s | 3.5 |
| 1990 | 18.8°C | 17.0°C | 15.2°C | 20.8°C | 8.2°C | 152 mm | 77% | 3.8 m/s | 3 |
| 1989 | 18.8°C | 16.8°C | 14.9°C | 21.4°C | 9.8°C | 72 mm | 79% | 3.3 m/s | 3 |
| 1988 | 19.5°C | 17.5°C | 15.4°C | 23.6°C | 11.6°C | 150 mm | 76% | 3.4 m/s | 3.2 |
| 1987 | 20.0°C | 18.2°C | 16.5°C | 21.8°C | 10.5°C | 130 mm | 76% | 3.6 m/s | 3 |
| 1986 | 19.7°C | 17.4°C | 15.1°C | 22.6°C | 9.7°C | 35 mm | 69% | 3 m/s | 3.1 |
| 1985 | 18.7°C | 16.4°C | 14.0°C | 23.1°C | 8.8°C | 82 mm | 71% | 2.9 m/s | 3.3 |
| 1984 | 19.9°C | 18.1°C | 16.4°C | 22.0°C | 10.8°C | 155 mm | 75% | 3.6 m/s | 3 |
| 1983 🌧️ | 19.0°C | 17.1°C | 15.1°C | 21.0°C | 10.5°C | 373 mm | 77% | 3.9 m/s | — |
| 1982 ❄️ | 18.7°C | 16.0°C | 13.4°C | 20.5°C | 9.9°C | 22 mm | 67% | 3.2 m/s | — |
| 1981 | 19.3°C | 16.7°C | 14.2°C | 23.0°C | 10.9°C | 53 mm | 71% | 3.2 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 20.1°C with lows near 15.7°C (mean 17.9°C), based on 45 years of NASA POWER data.
June averages 92 mm of rainfall in Coolum Beach, one of the drier months. The wettest on record was 373 mm in 1983.
The hottest June reached 25.7°C in 2023. The coldest dipped to 8.2°C in 1990.
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 19.1°C to 20.6°C and overnight lows from 14.6°C to 15.5°C over the same span.
June is one of the cooler months of the year in Coolum Beach and one of the drier months, so plan for around 20.1°C daytime highs and 15.7°C at night.
Not quite — June is the 3rd coolest month in Coolum Beach, averaging 17.9°C.
For June in Coolum Beach, pack light layers you can adjust through the day, with typical highs of 20.1°C and lows of 15.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 73% — moderately humid.
Average wind speed in June is 3.2 m/s. The windiest June on record averaged 3.9 m/s (1983).
The wettest June on record was 1983 with 373 mm. On average, June sees 92 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 Coolum Beach 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.
