June is one of the cooler months of the year in Muswellbrook, with average highs near 15°C and lows around 5.4°C (mean 10.2°C). It is one of the drier months, averaging 56 mm of rainfall and 81% relative humidity across the period.
June is one of the cooler months of the year in Muswellbrook. Across 45 years of records, the warmest Junes in Muswellbrook were 1991 and 2005 — when the month averaged 11.8°C — while the coldest were 1981 and 1985 at 8.7°C. Typical June days reach 15°C with nights near 5.4°C. The long-term trend is warming, about 0.2°C per decade.
June is one of the drier months in Muswellbrook, averaging 56 mm of rainfall. The wettest June on record was 2007 with 293 mm, while the driest was 2001 at 8 mm.
Relative humidity in Muswellbrook during June averages 81%. The most humid June was 1989 at 91%, and the least humid was 2004 at 69%.
June receives about 2.6 kWh/m²/day of solar energy in Muswellbrook. The sunniest Junes were 1984, 1986 and 2004 at 2.9 kWh/m²/day, and the cloudiest were 2013 and 2016 at 2.2.
Average wind speed in Muswellbrook during June is 0.7 m/s. The windiest Junes were 1981, 2011 and 2016 at 0.9 m/s, while the calmest were 2019, 2020 and 2024, among others at 0.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.7°C | 10.2°C | 10.5°C | 10.5°C | 10.0°C | +0.3°C |
| Avg High | 14.6°C | 14.8°C | 15.5°C | 15.0°C | 14.9°C | +0.3°C |
| Avg Low | 4.7°C | 5.6°C | 5.6°C | 5.9°C | 5.1°C | +0.4°C |
| Avg Rain | 46 mm | 54 mm | 70 mm | 68 mm | 32 mm | -14 mm |
June temperatures in Muswellbrook have risen by about 0.4°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -2.5°C (1983) to a record high of 22.8°C (2005).
Rainfall in June is one of the drier months, averaging 56 mm, with a wettest year of 293 mm.
A quieter season to visit Muswellbrook
If your dates are flexible, the more temperate months of December and February tend to be the most comfortable for visiting Muswellbrook. That said, June — with days averaging 15°C and nights around 5.4°C (mean 10.2°C) and moderate rainfall (56 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 | 14.0°C | 9.5°C | 4.9°C | 18.1°C | 1.2°C | 20 mm | 85% | 0.7 m/s | 2.7 |
| 2024 | 14.4°C | 9.6°C | 4.8°C | 18.0°C | 1.5°C | 60 mm | 84% | 0.6 m/s | 2.5 |
| 2023 | 16.8°C | 11.0°C | 5.3°C | 22.4°C | 0.5°C | 14 mm | 71% | 0.7 m/s | 2.8 |
| 2022 | 14.4°C | 9.4°C | 4.5°C | 17.2°C | 1.3°C | 11 mm | 80% | 0.8 m/s | 2.8 |
| 2021 | 14.3°C | 9.7°C | 5.1°C | 19.8°C | 1.4°C | 61 mm | 84% | 0.8 m/s | 2.5 |
| 2020 | 15.6°C | 10.7°C | 5.8°C | 18.8°C | 2.6°C | 25 mm | 83% | 0.6 m/s | 2.7 |
| 2019 | 15.9°C | 10.8°C | 5.6°C | 22.5°C | 0.9°C | 39 mm | 80% | 0.6 m/s | 2.6 |
| 2018 | 15.0°C | 10.4°C | 5.8°C | 19.0°C | 3.0°C | 54 mm | 80% | 0.7 m/s | 2.5 |
| 2017 | 16.2°C | 11.4°C | 6.6°C | 18.5°C | 2.3°C | 49 mm | 82% | 0.6 m/s | 2.4 |
| 2016 | 15.0°C | 10.6°C | 6.2°C | 19.8°C | -0.8°C | 94 mm | 79% | 0.9 m/s | 2.2 |
| 2015 | 14.7°C | 10.1°C | 5.5°C | 17.4°C | -0.3°C | 38 mm | 86% | 0.6 m/s | 2.7 |
| 2014 | 15.7°C | 11.1°C | 6.5°C | 18.3°C | 3.4°C | 39 mm | 81% | 0.8 m/s | 2.6 |
| 2013 | 14.6°C | 10.7°C | 6.8°C | 19.8°C | 2.4°C | 87 mm | 87% | 0.6 m/s | 2.2 |
| 2012 | 14.4°C | 10.1°C | 5.7°C | 18.3°C | 0.4°C | 77 mm | 85% | 0.7 m/s | 2.4 |
| 2011 | 13.9°C | 9.7°C | 5.5°C | 17.7°C | -0.8°C | 140 mm | 86% | 0.9 m/s | 2.6 |
| 2010 | 14.4°C | 9.6°C | 4.9°C | 16.7°C | -1.2°C | 63 mm | 85% | 0.6 m/s | 2.8 |
| 2009 | 15.1°C | 10.6°C | 6.0°C | 18.0°C | -0.5°C | 52 mm | 82% | 0.7 m/s | 2.4 |
| 2008 | 15.6°C | 11.3°C | 7.1°C | 18.2°C | 1.5°C | 92 mm | 87% | 0.7 m/s | 2.4 |
| 2007 🌧️ | 13.0°C | 9.0°C | 5.0°C | 19.2°C | 0.4°C | 293 mm | 87% | 0.8 m/s | 2.3 |
| 2006 | 15.2°C | 9.9°C | 4.7°C | 17.8°C | -0.3°C | 37 mm | 78% | 0.6 m/s | 2.7 |
| 2005 | 16.4°C | 11.8°C | 7.3°C | 22.8°C | 1.6°C | 114 mm | 78% | 0.8 m/s | 2.3 |
| 2004 | 16.9°C | 10.7°C | 4.5°C | 21.7°C | 1.3°C | 14 mm | 69% | 0.8 m/s | 2.9 |
| 2003 | 16.7°C | 11.5°C | 6.3°C | 21.0°C | 1.7°C | 29 mm | 76% | 0.7 m/s | 2.7 |
| 2002 | 15.7°C | 10.5°C | 5.2°C | 22.1°C | 0.6°C | 34 mm | 74% | 0.8 m/s | 2.7 |
| 2001 | 16.4°C | 10.7°C | 5.1°C | 19.2°C | 0.4°C | 8 mm | 81% | 0.6 m/s | 2.8 |
| 2000 | 14.1°C | 9.3°C | 4.4°C | 16.9°C | 0.9°C | 26 mm | 82% | 0.7 m/s | 2.7 |
| 1999 | 14.8°C | 10.3°C | 5.9°C | 18.4°C | 0.5°C | 69 mm | 83% | 0.8 m/s | 2.5 |
| 1998 | 14.2°C | 10.1°C | 6.0°C | 18.7°C | 1.1°C | 74 mm | 87% | 0.8 m/s | 2.4 |
| 1997 | 15.3°C | 10.2°C | 5.1°C | 21.0°C | 0.8°C | 48 mm | 79% | 0.6 m/s | 2.7 |
| 1996 | 15.7°C | 11.2°C | 6.6°C | 21.5°C | 2.2°C | 49 mm | 82% | 0.7 m/s | 2.4 |
| 1995 | 14.2°C | 9.9°C | 5.6°C | 21.5°C | -0.9°C | 40 mm | 83% | 0.8 m/s | 2.5 |
| 1994 | 15.3°C | 10.3°C | 5.4°C | 21.5°C | 1.3°C | 28 mm | 76% | 0.7 m/s | 2.7 |
| 1993 | 14.3°C | 9.4°C | 4.5°C | 18.0°C | -0.3°C | 62 mm | 80% | 0.7 m/s | 2.7 |
| 1992 | 14.3°C | 9.4°C | 4.5°C | 18.6°C | 0.6°C | 37 mm | 81% | 0.6 m/s | 2.6 |
| 1991 🔥 | 16.4°C | 11.8°C | 7.3°C | 20.0°C | 1.9°C | 91 mm | 84% | 0.7 m/s | 2.4 |
| 1990 | 13.4°C | 9.1°C | 4.8°C | 16.8°C | -0.6°C | 41 mm | 86% | 0.8 m/s | 2.7 |
| 1989 | 13.4°C | 9.7°C | 5.9°C | 17.2°C | 1.2°C | 137 mm | 91% | 0.7 m/s | 2.4 |
| 1988 | 15.0°C | 10.1°C | 5.2°C | 19.2°C | 0.5°C | 35 mm | 83% | 0.7 m/s | 2.7 |
| 1987 | 16.1°C | 10.9°C | 5.7°C | 20.6°C | 0.1°C | 44 mm | 79% | 0.7 m/s | 2.6 |
| 1986 | 15.5°C | 9.7°C | 3.8°C | 21.0°C | -1.6°C | 22 mm | 72% | 0.7 m/s | 2.9 |
| 1985 | 13.7°C | 8.7°C | 3.7°C | 16.6°C | -1.6°C | 49 mm | 84% | 0.6 m/s | 2.8 |
| 1984 | 16.4°C | 10.9°C | 5.5°C | 20.1°C | 2.0°C | 31 mm | 79% | 0.7 m/s | 2.9 |
| 1983 | 13.6°C | 9.1°C | 4.6°C | 17.3°C | -2.5°C | 34 mm | 86% | 0.7 m/s | — |
| 1982 | 14.7°C | 9.4°C | 4.0°C | 19.3°C | 0.4°C | 26 mm | 75% | 0.6 m/s | — |
| 1981 ❄️ | 13.3°C | 8.7°C | 4.1°C | 17.1°C | 0.7°C | 35 mm | 82% | 0.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 15°C with lows near 5.4°C (mean 10.2°C), based on 45 years of NASA POWER data.
June averages 56 mm of rainfall in Muswellbrook, one of the drier months. The wettest on record was 293 mm in 2007.
The hottest June reached 22.8°C in 2005. The coldest dipped to -2.5°C in 1983.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.4°C. Daytime highs moved from 14.3°C to 14.8°C and overnight lows from 4.4°C to 4.9°C over the same span.
June is one of the cooler months of the year in Muswellbrook and one of the drier months, so plan for around 15°C daytime highs and 5.4°C at night.
Not quite — June is the 2nd coolest month in Muswellbrook, averaging 10.2°C.
For June in Muswellbrook, pack warm layers and a jacket for chilly mornings, with typical highs of 15°C and lows of 5.4°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 81% — quite humid.
Average wind speed in June is 0.7 m/s. The windiest June on record averaged 0.9 m/s (1981).
The wettest June on record was 2007 with 293 mm. On average, June sees 56 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 Muswellbrook 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.
