June is one of the cooler months of the year in Coffs Harbour, with average highs near 18.1°C and lows around 13.9°C (mean 16°C). It is one of the drier months, averaging 103 mm of rainfall and 75% relative humidity across the period.
June is one of the cooler months of the year in Coffs Harbour. Across 45 years of records, the warmest June in Coffs Harbour was 2019 — when the month averaged 17.2°C — while the coldest was 1985 at 14.5°C. Typical June days reach 18.1°C with nights near 13.9°C. The long-term trend is warming, about 0.2°C per decade.
June is one of the drier months in Coffs Harbour, averaging 103 mm of rainfall. The wettest June on record was 2011 with 357 mm, while the driest was 2023 at 14 mm.
Relative humidity in Coffs Harbour during June averages 75%. The most humid June was 2017 at 80%, and the least humid was 2023 at 66%.
June receives about 2.8 kWh/m²/day of solar energy in Coffs Harbour. The sunniest June was 2022 at 3.2 kWh/m²/day, and the cloudiest were 1998, 2013 and 2017 at 2.4.
Average wind speed in Coffs Harbour during June is 3.3 m/s. The windiest June was 1999 at 4 m/s, while the calmest was 2023 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 15.3°C | 15.9°C | 16.4°C | 16.3°C | 16.0°C | +0.7°C |
| Avg High | 17.4°C | 17.9°C | 18.5°C | 18.3°C | 18.2°C | +0.8°C |
| Avg Low | 13.3°C | 13.9°C | 14.2°C | 14.4°C | 13.8°C | +0.5°C |
| Avg Rain | 111 mm | 113 mm | 96 mm | 132 mm | 40 mm | -70 mm |
June temperatures in Coffs Harbour have risen by about 0.8°C between 1981–1985 and 2021–2025.
June has ranged from a record low of 7.5°C (1986) to a record high of 24.1°C (2002).
Rainfall in June is one of the drier months, averaging 103 mm, with a wettest year of 357 mm.
A quieter season to visit Coffs Harbour
If your dates are flexible, the more temperate months of December and November tend to be the most comfortable for visiting Coffs Harbour. That said, June — with days averaging 18.1°C and nights around 13.9°C (mean 16°C) and higher rainfall (103 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 | 17.9°C | 16.0°C | 14.2°C | 21.3°C | 11.2°C | 50 mm | 76% | 3.1 m/s | 2.8 |
| 2024 | 18.5°C | 16.3°C | 14.1°C | 23.2°C | 11.8°C | 36 mm | 74% | 3.1 m/s | 2.7 |
| 2023 | 19.5°C | 16.6°C | 13.8°C | 22.5°C | 9.6°C | 14 mm | 66% | 2.6 m/s | 3.1 |
| 2022 | 17.5°C | 15.1°C | 12.8°C | 20.2°C | 8.9°C | 15 mm | 73% | 2.9 m/s | 3.2 |
| 2021 | 17.5°C | 15.5°C | 13.4°C | 19.7°C | 10.2°C | 46 mm | 77% | 3.1 m/s | 2.8 |
| 2020 | 18.1°C | 16.2°C | 14.3°C | 21.5°C | 10.8°C | 81 mm | 77% | 3.1 m/s | 2.9 |
| 2019 🔥 | 19.3°C | 17.2°C | 15.2°C | 23.2°C | 10.8°C | 68 mm | 75% | 3.2 m/s | 2.7 |
| 2018 | 18.4°C | 16.4°C | 14.4°C | 21.3°C | 11.3°C | 76 mm | 72% | 3.4 m/s | 2.8 |
| 2017 | 18.2°C | 16.7°C | 15.2°C | 19.4°C | 11.5°C | 184 mm | 80% | 3.6 m/s | 2.4 |
| 2016 | 18.8°C | 16.6°C | 14.4°C | 23.6°C | 9.2°C | 138 mm | 72% | 3.4 m/s | 2.7 |
| 2015 | 18.0°C | 16.1°C | 14.3°C | 20.4°C | 10.0°C | 29 mm | 77% | 2.8 m/s | 2.7 |
| 2014 | 19.3°C | 17.0°C | 14.6°C | 21.6°C | 11.1°C | 30 mm | 72% | 3.2 m/s | 2.9 |
| 2013 | 17.9°C | 16.1°C | 14.4°C | 21.1°C | 10.7°C | 84 mm | 79% | 3.4 m/s | 2.4 |
| 2012 | 17.6°C | 15.7°C | 13.9°C | 20.1°C | 10.5°C | 231 mm | 77% | 3.4 m/s | 2.7 |
| 2011 🌧️ | 17.7°C | 15.7°C | 13.7°C | 19.7°C | 8.4°C | 357 mm | 75% | 3.7 m/s | 2.7 |
| 2010 | 17.6°C | 15.8°C | 14.0°C | 20.5°C | 9.8°C | 123 mm | 75% | 3.3 m/s | 2.6 |
| 2009 | 17.7°C | 15.8°C | 13.9°C | 19.5°C | 9.1°C | 211 mm | 76% | 3.2 m/s | 2.7 |
| 2008 | 18.9°C | 17.0°C | 15.0°C | 21.6°C | 11.5°C | 89 mm | 78% | 3.5 m/s | 2.8 |
| 2007 | 17.9°C | 15.6°C | 13.4°C | 20.8°C | 9.3°C | 119 mm | 75% | 3.7 m/s | 2.6 |
| 2006 | 18.1°C | 16.2°C | 14.4°C | 20.5°C | 10.9°C | 121 mm | 73% | 3.3 m/s | 2.6 |
| 2005 | 18.7°C | 16.8°C | 14.8°C | 21.5°C | 10.7°C | 203 mm | 76% | 3 m/s | 2.6 |
| 2004 | 19.5°C | 16.5°C | 13.5°C | 23.2°C | 10.0°C | 17 mm | 66% | 3 m/s | 3.1 |
| 2003 | 18.4°C | 16.3°C | 14.1°C | 21.7°C | 10.2°C | 68 mm | 75% | 2.9 m/s | 3 |
| 2002 | 19.2°C | 16.8°C | 14.4°C | 24.1°C | 11.1°C | 64 mm | 68% | 3.5 m/s | 2.9 |
| 2001 | 19.0°C | 17.0°C | 15.0°C | 22.2°C | 10.5°C | 16 mm | 76% | 2.9 m/s | 2.9 |
| 2000 | 18.0°C | 15.6°C | 13.2°C | 21.8°C | 9.7°C | 52 mm | 72% | 3.4 m/s | 2.9 |
| 1999 | 17.7°C | 16.0°C | 14.3°C | 19.7°C | 9.4°C | 267 mm | 77% | 4 m/s | 2.7 |
| 1998 | 19.0°C | 17.0°C | 14.9°C | 22.6°C | 9.6°C | 74 mm | 75% | 3.7 m/s | 2.4 |
| 1997 | 18.5°C | 16.6°C | 14.7°C | 22.2°C | 11.4°C | 80 mm | 76% | 3.5 m/s | 2.6 |
| 1996 | 18.1°C | 16.4°C | 14.8°C | 21.1°C | 11.6°C | 120 mm | 79% | 3.1 m/s | 2.6 |
| 1995 | 17.0°C | 15.1°C | 13.2°C | 21.1°C | 8.5°C | 56 mm | 78% | 3.5 m/s | 2.7 |
| 1994 | 18.0°C | 15.6°C | 13.1°C | 21.2°C | 10.9°C | 51 mm | 71% | 3.1 m/s | 3 |
| 1993 | 18.3°C | 15.9°C | 13.5°C | 21.9°C | 9.0°C | 59 mm | 71% | 3.3 m/s | 2.7 |
| 1992 | 16.9°C | 14.8°C | 12.7°C | 19.5°C | 9.2°C | 59 mm | 76% | 3.1 m/s | 2.8 |
| 1991 | 18.8°C | 16.7°C | 14.6°C | 21.6°C | 11.0°C | 260 mm | 78% | 3 m/s | 2.8 |
| 1990 | 16.8°C | 14.9°C | 13.1°C | 18.7°C | 7.6°C | 104 mm | 77% | 3.4 m/s | 2.7 |
| 1989 | 17.5°C | 15.7°C | 13.8°C | 21.0°C | 9.2°C | 272 mm | 79% | 3.6 m/s | 2.5 |
| 1988 | 17.7°C | 15.6°C | 13.5°C | 22.0°C | 10.0°C | 99 mm | 76% | 3.2 m/s | 2.8 |
| 1987 | 18.1°C | 16.2°C | 14.3°C | 20.4°C | 9.5°C | 137 mm | 77% | 3.1 m/s | 2.7 |
| 1986 | 17.7°C | 15.3°C | 13.0°C | 23.1°C | 7.5°C | 121 mm | 73% | 2.9 m/s | 2.7 |
| 1985 ❄️ | 16.6°C | 14.5°C | 12.4°C | 20.7°C | 8.3°C | 28 mm | 75% | 3 m/s | 2.8 |
| 1984 | 17.7°C | 15.9°C | 14.0°C | 19.8°C | 10.3°C | 128 mm | 79% | 3.4 m/s | 2.8 |
| 1983 | 17.1°C | 15.2°C | 13.4°C | 20.4°C | 9.2°C | 166 mm | 75% | 3.3 m/s | — |
| 1982 | 17.2°C | 14.9°C | 12.6°C | 19.3°C | 10.3°C | 29 mm | 71% | 3.7 m/s | — |
| 1981 | 17.2°C | 14.8°C | 12.4°C | 20.6°C | 9.1°C | 15 mm | 73% | 3.3 m/s | — |
Actual recorded June data for each year, 1981–2025 — sourced from NASA POWER.
The average high in June is around 18.1°C with lows near 13.9°C (mean 16°C), based on 45 years of NASA POWER data.
June averages 103 mm of rainfall in Coffs Harbour, one of the drier months. The wettest on record was 357 mm in 2011.
The hottest June reached 24.1°C in 2002. The coldest dipped to 7.5°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average June temperatures have risen by about 0.8°C. Daytime highs moved from 17.2°C to 18.2°C and overnight lows from 13°C to 13.7°C over the same span.
June is one of the cooler months of the year in Coffs Harbour and one of the drier months, so plan for around 18.1°C daytime highs and 13.9°C at night.
Not quite — June is the 3rd coolest month in Coffs Harbour, averaging 16°C.
For June in Coffs Harbour, pack light layers you can adjust through the day, with typical highs of 18.1°C and lows of 13.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in June averages 75% — moderately humid.
Average wind speed in June is 3.3 m/s. The windiest June on record averaged 4 m/s (1999).
The wettest June on record was 2011 with 357 mm. On average, June sees 103 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 Coffs Harbour 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.
