July is one of the cooler months of the year in Goonellabah, with average highs near 18.7°C and lows around 9.7°C (mean 14.2°C). It is one of the drier months, averaging 58 mm of rainfall and 75% relative humidity across the period.
July is one of the cooler months of the year in Goonellabah. Across 45 years of records, the warmest July in Goonellabah was 2023 — when the month averaged 16.3°C — while the coldest were 1989 and 1996 at 12.7°C. Typical July days reach 18.7°C with nights near 9.7°C. The long-term trend is warming, about 0.4°C per decade.
July is one of the drier months in Goonellabah, averaging 58 mm of rainfall. The wettest July on record was 1999 with 192 mm, while the driest was 2002 at 3 mm.
Relative humidity in Goonellabah during July averages 75%. The most humid July was 1993 at 84%, and the least humid was 2002 at 63%.
July receives about 3.3 kWh/m²/day of solar energy in Goonellabah. The sunniest Julys were 2007 and 2017 at 3.8 kWh/m²/day, and the cloudiest was 1984 at 2.4.
Average wind speed in Goonellabah during July is 2.2 m/s. The windiest Julys were 1983, 1999 and 2012 at 2.5 m/s, while the calmest were 2017, 2019 and 2023, among others at 1.9 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 13.4°C | 14.1°C | 14.3°C | 14.7°C | 14.7°C | +1.3°C |
| Avg High | 17.7°C | 18.4°C | 19.0°C | 19.4°C | 19.2°C | +1.5°C |
| Avg Low | 9.1°C | 9.8°C | 9.6°C | 10.0°C | 10.3°C | +1.2°C |
| Avg Rain | 88 mm | 72 mm | 39 mm | 37 mm | 52 mm | -35 mm |
July temperatures in Goonellabah have risen by about 1.6°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 2.9°C (1990) to a record high of 26.6°C (2016).
Rainfall in July is one of the drier months, averaging 58 mm, with a wettest year of 192 mm.
A quieter season to visit Goonellabah
If your dates are flexible, the more temperate months of October and November tend to be the most comfortable for visiting Goonellabah. That said, July — with days averaging 18.7°C and nights around 9.7°C (mean 14.2°C) and moderate rainfall (58 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 | 18.5°C | 14.1°C | 9.8°C | 21.5°C | 6.6°C | 55 mm | 77% | 2.2 m/s | 3.3 |
| 2024 | 19.0°C | 14.8°C | 10.5°C | 23.8°C | 5.1°C | 68 mm | 73% | 2.4 m/s | 3.3 |
| 2023 🔥 | 21.4°C | 16.3°C | 11.1°C | 26.2°C | 7.4°C | 19 mm | 67% | 1.9 m/s | 3.3 |
| 2022 | 17.7°C | 14.0°C | 10.2°C | 22.8°C | 6.0°C | 57 mm | 80% | 2.3 m/s | 2.9 |
| 2021 | 19.4°C | 14.6°C | 9.8°C | 23.3°C | 6.3°C | 39 mm | 74% | 2.3 m/s | 3.2 |
| 2020 | 19.1°C | 14.7°C | 10.3°C | 23.8°C | 5.2°C | 75 mm | 77% | 2.3 m/s | 3.1 |
| 2019 | 20.8°C | 15.8°C | 10.8°C | 25.0°C | 6.5°C | 37 mm | 70% | 1.9 m/s | 3.4 |
| 2018 | 21.5°C | 15.9°C | 10.4°C | 26.4°C | 4.1°C | 18 mm | 65% | 2.1 m/s | 3.5 |
| 2017 | 19.4°C | 14.1°C | 8.9°C | 24.0°C | 5.8°C | 10 mm | 76% | 1.9 m/s | 3.8 |
| 2016 | 20.5°C | 15.5°C | 10.6°C | 26.6°C | 6.5°C | 11 mm | 72% | 1.9 m/s | 3.2 |
| 2015 | 18.5°C | 13.9°C | 9.3°C | 23.9°C | 4.5°C | 37 mm | 75% | 2.1 m/s | 3.3 |
| 2014 | 19.7°C | 14.1°C | 8.5°C | 24.8°C | 5.0°C | 21 mm | 66% | 2 m/s | 3.7 |
| 2013 | 18.4°C | 14.8°C | 11.2°C | 22.2°C | 7.1°C | 86 mm | 84% | 2.1 m/s | 2.9 |
| 2012 | 17.6°C | 14.0°C | 10.4°C | 23.7°C | 5.6°C | 45 mm | 80% | 2.5 m/s | 3.1 |
| 2011 | 18.1°C | 13.6°C | 9.1°C | 21.3°C | 4.6°C | 27 mm | 72% | 2.1 m/s | 3.5 |
| 2010 | 19.0°C | 15.1°C | 11.2°C | 24.7°C | 7.2°C | 84 mm | 79% | 2.4 m/s | 2.8 |
| 2009 | 17.7°C | 13.5°C | 9.2°C | 21.5°C | 5.4°C | 38 mm | 78% | 2.2 m/s | 3.5 |
| 2008 | 18.4°C | 14.1°C | 9.9°C | 23.8°C | 5.3°C | 101 mm | 73% | 2.3 m/s | 3 |
| 2007 | 18.9°C | 13.6°C | 8.3°C | 24.7°C | 3.2°C | 3 mm | 64% | 2.2 m/s | 3.8 |
| 2006 | 19.3°C | 14.8°C | 10.4°C | 23.2°C | 5.4°C | 80 mm | 74% | 2.2 m/s | 3.2 |
| 2005 | 19.0°C | 14.7°C | 10.5°C | 22.2°C | 6.8°C | 32 mm | 79% | 2.1 m/s | 3.4 |
| 2004 | 20.3°C | 15.4°C | 10.6°C | 26.0°C | 6.3°C | 21 mm | 66% | 2.3 m/s | 3.4 |
| 2003 | 18.2°C | 13.9°C | 9.7°C | 20.4°C | 4.0°C | 35 mm | 75% | 2 m/s | 3.4 |
| 2002 | 19.8°C | 14.0°C | 8.2°C | 23.7°C | 3.9°C | 3 mm | 63% | 2 m/s | 3.6 |
| 2001 | 19.2°C | 14.7°C | 10.1°C | 24.1°C | 5.3°C | 55 mm | 75% | 2.1 m/s | 3.2 |
| 2000 | 19.6°C | 14.5°C | 9.5°C | 24.8°C | 5.7°C | 19 mm | 70% | 2.4 m/s | 3.5 |
| 1999 🌧️ | 17.9°C | 14.8°C | 11.7°C | 21.4°C | 5.6°C | 192 mm | 83% | 2.5 m/s | 2.9 |
| 1998 | 19.5°C | 15.2°C | 11.0°C | 24.9°C | 4.6°C | 68 mm | 77% | 2.3 m/s | 3 |
| 1997 | 17.6°C | 14.3°C | 11.1°C | 22.6°C | 7.7°C | 74 mm | 81% | 2.3 m/s | 3.1 |
| 1996 | 17.1°C | 12.7°C | 8.4°C | 20.0°C | 4.3°C | 59 mm | 77% | 2.2 m/s | 3.5 |
| 1995 | 19.2°C | 13.7°C | 8.3°C | 22.9°C | 4.0°C | 6 mm | 65% | 2.2 m/s | 3.5 |
| 1994 | 18.5°C | 14.0°C | 9.5°C | 20.7°C | 5.2°C | 51 mm | 71% | 2 m/s | 3.5 |
| 1993 | 19.4°C | 16.0°C | 12.6°C | 24.0°C | 9.3°C | 132 mm | 84% | 1.9 m/s | 2.9 |
| 1992 | 18.9°C | 13.9°C | 8.9°C | 24.3°C | 5.9°C | 40 mm | 73% | 2.1 m/s | 3.5 |
| 1991 | 18.1°C | 13.1°C | 8.0°C | 22.3°C | 4.1°C | 52 mm | 72% | 2 m/s | 3.6 |
| 1990 | 17.7°C | 13.3°C | 8.8°C | 23.8°C | 2.9°C | 48 mm | 81% | 2.1 m/s | 3.4 |
| 1989 ❄️ | 16.8°C | 12.7°C | 8.7°C | 21.8°C | 3.9°C | 37 mm | 79% | 2.2 m/s | 3.2 |
| 1988 | 18.4°C | 14.5°C | 10.5°C | 21.1°C | 5.5°C | 185 mm | 81% | 2.2 m/s | 3.3 |
| 1987 | 17.2°C | 12.9°C | 8.5°C | 21.1°C | 5.3°C | 67 mm | 77% | 2 m/s | 3.5 |
| 1986 | 18.9°C | 14.3°C | 9.8°C | 24.1°C | 3.5°C | 40 mm | 73% | 2.3 m/s | 3.1 |
| 1985 | 17.3°C | 13.0°C | 8.6°C | 21.9°C | 4.5°C | 169 mm | 77% | 2.1 m/s | 3.4 |
| 1984 | 16.8°C | 13.0°C | 9.3°C | 20.8°C | 4.2°C | 116 mm | 80% | 2.2 m/s | 2.4 |
| 1983 | 16.7°C | 13.1°C | 9.5°C | 22.3°C | 4.7°C | 79 mm | 83% | 2.5 m/s | — |
| 1982 | 18.1°C | 13.1°C | 8.2°C | 21.0°C | 4.0°C | 59 mm | 69% | 2.2 m/s | — |
| 1981 | 18.9°C | 13.8°C | 8.8°C | 26.2°C | 4.6°C | 37 mm | 72% | 2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 18.7°C with lows near 9.7°C (mean 14.2°C), based on 45 years of NASA POWER data.
July averages 58 mm of rainfall in Goonellabah, one of the drier months. The wettest on record was 192 mm in 1999.
The hottest July reached 26.6°C in 2016. The coldest dipped to 2.9°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.6°C. Daytime highs moved from 17.6°C to 19.2°C and overnight lows from 8.9°C to 10.3°C over the same span.
July is one of the cooler months of the year in Goonellabah and one of the drier months, so plan for around 18.7°C daytime highs and 9.7°C at night.
Yes — July is the coldest month of the year in Goonellabah, averaging 14.2°C.
For July in Goonellabah, pack light layers you can adjust through the day, with typical highs of 18.7°C and lows of 9.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 75% — moderately humid.
Average wind speed in July is 2.2 m/s. The windiest July on record averaged 2.5 m/s (1983).
The wettest July on record was 1999 with 192 mm. On average, July sees 58 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 Goonellabah behaves each July, 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 July specifically, along with year-by-year records and how the month has changed over the decades.
