June is one of the cooler months of the year in Gunnedah, with average highs near 16.7°C and lows around 5°C (mean 10.9°C). It is one of the drier months, averaging 43 mm of rainfall and 78% relative humidity across the period.
June is one of the cooler months of the year in Gunnedah. Across 45 years of records, the warmest June in Gunnedah was 2005 — when the month averaged 12.6°C — while the coldest were 1981 and 2007 at 9.2°C. Typical June days reach 16.7°C with nights near 5°C. The long-term trend is warming, about 0.2°C per decade.
June is one of the drier months in Gunnedah, averaging 43 mm of rainfall. The wettest June on record was 2005 with 159 mm, while the driest was 1986 at 2 mm.
Relative humidity in Gunnedah during June averages 78%. The most humid June was 1989 at 88%, and the least humid was 1986 at 70%.
June receives about 3 kWh/m²/day of solar energy in Gunnedah. The sunniest Junes were 1986 and 2004 at 3.3 kWh/m²/day, and the cloudiest was 2016 at 2.4.
Average wind speed in Gunnedah during June is 1.7 m/s. The windiest June was 2011 at 2.2 m/s, while the calmest were 2001 and 2015 at 1.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.1°C | 10.8°C | 11.2°C | 11.2°C | 10.6°C | +0.5°C |
| Avg High | 16.1°C | 16.4°C | 17.3°C | 16.9°C | 16.5°C | +0.4°C |
| Avg Low | 4.2°C | 5.2°C | 5.1°C | 5.4°C | 4.7°C | +0.5°C |
| Avg Rain | 31 mm | 46 mm | 55 mm | 46 mm | 34 mm | +3 mm |
June temperatures in Gunnedah have risen by about 0.6°C between 1981–1985 and 2021–2025.
June has ranged from a record low of -2.8°C (1986) to a record high of 23.8°C (2019).
Rainfall in June is one of the drier months, averaging 43 mm, with a wettest year of 159 mm.
A quieter season to visit Gunnedah
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Gunnedah. That said, June — with days averaging 16.7°C and nights around 5°C (mean 10.9°C) and moderate rainfall (43 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 | 16.0°C | 10.2°C | 4.4°C | 20.7°C | 0.1°C | 22 mm | 81% | 1.6 m/s | 2.9 |
| 2024 | 16.4°C | 10.6°C | 4.8°C | 21.1°C | -0.1°C | 35 mm | 78% | 1.5 m/s | 2.7 |
| 2023 | 17.9°C | 11.5°C | 5.0°C | 22.9°C | -1.0°C | 34 mm | 71% | 1.6 m/s | 3 |
| 2022 | 15.8°C | 9.8°C | 3.8°C | 19.3°C | 0.6°C | 15 mm | 78% | 1.5 m/s | 3.2 |
| 2021 | 15.7°C | 10.4°C | 5.0°C | 20.9°C | 0.8°C | 90 mm | 82% | 1.8 m/s | 2.8 |
| 2020 | 17.4°C | 11.3°C | 5.1°C | 21.4°C | 1.7°C | 11 mm | 79% | 1.6 m/s | 3.1 |
| 2019 | 18.1°C | 11.7°C | 5.4°C | 23.8°C | -1.3°C | 12 mm | 74% | 1.7 m/s | 3 |
| 2018 | 18.0°C | 11.8°C | 5.6°C | 22.0°C | 2.4°C | 12 mm | 71% | 1.8 m/s | 3.1 |
| 2017 | 18.3°C | 12.3°C | 6.2°C | 21.3°C | 1.0°C | 31 mm | 78% | 1.7 m/s | 3 |
| 2016 | 15.6°C | 10.5°C | 5.4°C | 20.5°C | -1.6°C | 110 mm | 82% | 2 m/s | 2.4 |
| 2015 | 16.6°C | 10.9°C | 5.2°C | 20.6°C | -1.8°C | 50 mm | 82% | 1.4 m/s | 3 |
| 2014 | 16.7°C | 11.2°C | 5.7°C | 19.5°C | 1.8°C | 54 mm | 81% | 1.7 m/s | 3 |
| 2013 | 16.2°C | 11.2°C | 6.2°C | 21.0°C | 0.9°C | 89 mm | 84% | 1.6 m/s | 2.5 |
| 2012 | 16.4°C | 10.8°C | 5.2°C | 20.2°C | -0.9°C | 42 mm | 82% | 1.8 m/s | 2.9 |
| 2011 | 16.8°C | 10.9°C | 5.0°C | 20.4°C | -2.2°C | 25 mm | 79% | 2.2 m/s | 3 |
| 2010 | 16.0°C | 10.3°C | 4.5°C | 19.0°C | -1.4°C | 38 mm | 80% | 1.7 m/s | 3.1 |
| 2009 | 17.2°C | 11.7°C | 6.2°C | 20.2°C | -1.5°C | 48 mm | 76% | 1.7 m/s | 2.8 |
| 2008 | 18.5°C | 12.4°C | 6.3°C | 21.8°C | 0.5°C | 65 mm | 80% | 1.7 m/s | 3 |
| 2007 | 14.7°C | 9.2°C | 3.8°C | 20.1°C | 0.1°C | 87 mm | 83% | 1.7 m/s | 2.5 |
| 2006 | 16.9°C | 10.4°C | 3.8°C | 19.5°C | -1.3°C | 49 mm | 74% | 1.6 m/s | 3.2 |
| 2005 🔥 🌧️ | 17.7°C | 12.6°C | 7.5°C | 22.9°C | 2.2°C | 159 mm | 76% | 1.7 m/s | 2.5 |
| 2004 | 17.7°C | 10.9°C | 4.0°C | 22.1°C | 0.3°C | 22 mm | 71% | 1.7 m/s | 3.3 |
| 2003 | 18.2°C | 11.9°C | 5.6°C | 23.2°C | 1.3°C | 44 mm | 75% | 1.7 m/s | 3 |
| 2002 | 17.6°C | 11.1°C | 4.5°C | 23.5°C | -1.0°C | 26 mm | 70% | 1.8 m/s | 3.2 |
| 2001 | 18.8°C | 11.9°C | 5.1°C | 22.2°C | -0.4°C | 24 mm | 74% | 1.4 m/s | 3.2 |
| 2000 | 15.5°C | 9.9°C | 4.3°C | 19.4°C | 0.4°C | 21 mm | 80% | 1.7 m/s | 3 |
| 1999 | 16.8°C | 11.0°C | 5.3°C | 20.4°C | 0.1°C | 59 mm | 79% | 1.9 m/s | 3 |
| 1998 | 16.1°C | 10.8°C | 5.6°C | 22.3°C | 0.6°C | 95 mm | 82% | 1.7 m/s | 2.6 |
| 1997 | 16.8°C | 10.9°C | 5.1°C | 21.1°C | -0.3°C | 23 mm | 75% | 1.7 m/s | 3 |
| 1996 | 17.4°C | 12.1°C | 6.8°C | 23.1°C | 1.5°C | 46 mm | 79% | 1.7 m/s | 2.7 |
| 1995 | 15.9°C | 10.5°C | 5.1°C | 22.5°C | -2.7°C | 36 mm | 80% | 1.8 m/s | 2.8 |
| 1994 | 17.2°C | 11.0°C | 4.8°C | 23.6°C | 1.1°C | 18 mm | 71% | 1.7 m/s | 3.2 |
| 1993 | 15.6°C | 9.9°C | 4.1°C | 19.8°C | -1.2°C | 67 mm | 79% | 1.6 m/s | 3 |
| 1992 | 15.7°C | 10.0°C | 4.3°C | 20.9°C | -0.1°C | 19 mm | 79% | 1.5 m/s | 3 |
| 1991 | 17.2°C | 12.0°C | 6.8°C | 20.4°C | 2.3°C | 65 mm | 83% | 1.5 m/s | 2.9 |
| 1990 | 15.0°C | 9.7°C | 4.4°C | 18.0°C | -1.2°C | 35 mm | 84% | 1.9 m/s | 3.1 |
| 1989 | 14.6°C | 9.8°C | 5.0°C | 18.4°C | -0.4°C | 84 mm | 88% | 1.7 m/s | 2.8 |
| 1988 | 16.4°C | 10.4°C | 4.5°C | 20.6°C | 0.3°C | 38 mm | 81% | 1.6 m/s | 3.1 |
| 1987 | 17.5°C | 11.4°C | 5.2°C | 21.3°C | 0.0°C | 35 mm | 78% | 1.7 m/s | 2.9 |
| 1986 | 17.0°C | 10.1°C | 3.2°C | 21.7°C | -2.8°C | 2 mm | 70% | 1.5 m/s | 3.3 |
| 1985 | 15.7°C | 9.5°C | 3.4°C | 19.6°C | -2.3°C | 29 mm | 77% | 1.5 m/s | 3.1 |
| 1984 | 18.5°C | 12.0°C | 5.6°C | 21.1°C | 2.2°C | 4 mm | 73% | 1.7 m/s | 3.2 |
| 1983 | 14.8°C | 9.4°C | 4.1°C | 18.9°C | -0.9°C | 28 mm | 86% | 1.6 m/s | — |
| 1982 | 16.1°C | 9.5°C | 2.9°C | 19.9°C | -0.4°C | 11 mm | 73% | 1.7 m/s | — |
| 1981 ❄️ | 14.6°C | 9.2°C | 3.9°C | 18.5°C | -1.1°C | 48 mm | 81% | 1.9 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 16.7°C with lows near 5°C (mean 10.9°C), based on 45 years of NASA POWER data.
June averages 43 mm of rainfall in Gunnedah, one of the drier months. The wettest on record was 159 mm in 2005.
The hottest June reached 23.8°C in 2019. The coldest dipped to -2.8°C in 1986.
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 15.9°C to 16.4°C and overnight lows from 4°C to 4.6°C over the same span.
June is one of the cooler months of the year in Gunnedah and one of the drier months, so plan for around 16.7°C daytime highs and 5°C at night.
Not quite — June is the 2nd coolest month in Gunnedah, averaging 10.9°C.
For June in Gunnedah, pack warm layers and a jacket for chilly mornings, with typical highs of 16.7°C and lows of 5°C.
Relative humidity in June averages 78% — quite humid.
Average wind speed in June is 1.7 m/s. The windiest June on record averaged 2.2 m/s (2011).
The wettest June on record was 2005 with 159 mm. On average, June sees 43 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 Gunnedah 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.
