July is one of the cooler months of the year in Hervey Bay, with average highs near 20.5°C and lows around 15.9°C (mean 18.2°C). It is one of the drier months, averaging 53 mm of rainfall and 70% relative humidity across the period.
July is one of the cooler months of the year in Hervey Bay. Across 45 years of records, the warmest July in Hervey Bay was 1993 — when the month averaged 19.9°C — while the coldest was 1989 at 16.1°C. Typical July days reach 20.5°C with nights near 15.9°C. The long-term trend is warming, about 0.3°C per decade.
July is one of the drier months in Hervey Bay, averaging 53 mm of rainfall. The wettest July on record was 2008 with 168 mm, while the driest was 2002 at 4 mm.
Relative humidity in Hervey Bay during July averages 70%. The most humid July was 1993 at 79%, and the least humid was 1991 at 61%.
July receives about 3.7 kWh/m²/day of solar energy in Hervey Bay. The sunniest July was 2007 at 4.3 kWh/m²/day, and the cloudiest was 1984 at 2.8.
Average wind speed in Hervey Bay during July is 3.6 m/s. The windiest July was 1999 at 4.5 m/s, while the calmest was 2017 at 2.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 17.4°C | 18.2°C | 18.2°C | 18.7°C | 18.5°C | +1.1°C |
| Avg High | 19.7°C | 20.3°C | 20.6°C | 21.1°C | 20.9°C | +1.2°C |
| Avg Low | 15.2°C | 16.0°C | 15.8°C | 16.4°C | 16.2°C | +1°C |
| Avg Rain | 82 mm | 55 mm | 43 mm | 36 mm | 48 mm | -34 mm |
July temperatures in Hervey Bay have risen by about 1.2°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.6°C (1986) to a record high of 25.3°C (2016).
Rainfall in July is one of the drier months, averaging 53 mm, with a wettest year of 168 mm.
A good time to visit Hervey Bay
July is a good time to visit Hervey Bay, with days averaging 20.5°C and nights around 15.9°C (mean 18.2°C, cooler than Hervey Bay's yearly average) and moderate rainfall. October and September are marginally more temperate, but July still suits most travellers.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 21.3°C | 18.6°C | 15.9°C | 23.3°C | 11.8°C | 30 mm | 69% | 3.4 m/s | 3.9 |
| 2024 | 21.0°C | 18.6°C | 16.2°C | 24.3°C | 11.8°C | 33 mm | 69% | 4 m/s | 3.7 |
| 2023 | 21.9°C | 19.7°C | 17.6°C | 24.5°C | 13.4°C | 38 mm | 66% | 3.5 m/s | 3.6 |
| 2022 | 19.2°C | 17.1°C | 15.1°C | 21.6°C | 11.0°C | 101 mm | 76% | 3.9 m/s | 3.3 |
| 2021 | 21.1°C | 18.7°C | 16.2°C | 24.7°C | 11.4°C | 38 mm | 70% | 3.6 m/s | 3.8 |
| 2020 | 21.0°C | 18.6°C | 16.1°C | 23.5°C | 12.0°C | 49 mm | 69% | 3.6 m/s | 3.7 |
| 2019 | 21.8°C | 19.3°C | 16.9°C | 24.0°C | 11.4°C | 13 mm | 65% | 3.3 m/s | 4 |
| 2018 | 21.3°C | 18.9°C | 16.4°C | 23.1°C | 12.5°C | 23 mm | 69% | 2.9 m/s | 4 |
| 2017 | 22.2°C | 19.6°C | 17.1°C | 24.3°C | 13.1°C | 13 mm | 68% | 2.8 m/s | 4 |
| 2016 | 21.5°C | 19.3°C | 17.1°C | 25.3°C | 12.0°C | 31 mm | 71% | 3.4 m/s | 3.6 |
| 2015 | 20.9°C | 18.5°C | 16.1°C | 24.8°C | 10.7°C | 25 mm | 68% | 3.5 m/s | 3.8 |
| 2014 | 20.7°C | 17.9°C | 15.1°C | 23.0°C | 10.8°C | 12 mm | 66% | 3.3 m/s | 4.1 |
| 2013 | 21.0°C | 19.1°C | 17.3°C | 23.1°C | 12.1°C | 76 mm | 77% | 3.9 m/s | 3.2 |
| 2012 | 19.7°C | 17.7°C | 15.7°C | 23.0°C | 11.3°C | 97 mm | 75% | 4.1 m/s | 3.6 |
| 2011 | 20.2°C | 17.5°C | 14.9°C | 22.6°C | 10.7°C | 27 mm | 67% | 3.6 m/s | 4 |
| 2010 | 21.5°C | 19.6°C | 17.6°C | 24.6°C | 14.0°C | 48 mm | 74% | 3.8 m/s | 3.2 |
| 2009 | 20.6°C | 18.2°C | 15.8°C | 23.8°C | 10.9°C | 8 mm | 69% | 3.5 m/s | 3.9 |
| 2008 🌧️ | 19.6°C | 17.7°C | 15.7°C | 22.4°C | 10.1°C | 168 mm | 75% | 3.7 m/s | 3.2 |
| 2007 | 19.4°C | 16.4°C | 13.5°C | 23.1°C | 9.8°C | 6 mm | 63% | 3.5 m/s | 4.3 |
| 2006 | 20.8°C | 18.9°C | 17.0°C | 22.5°C | 13.3°C | 73 mm | 74% | 3.4 m/s | 3.5 |
| 2005 | 21.1°C | 19.1°C | 17.2°C | 23.7°C | 13.0°C | 43 mm | 69% | 3.8 m/s | 3.7 |
| 2004 | 21.1°C | 18.8°C | 16.4°C | 23.2°C | 11.8°C | 15 mm | 68% | 3.6 m/s | 4 |
| 2003 | 20.7°C | 18.6°C | 16.5°C | 22.7°C | 10.9°C | 41 mm | 68% | 4 m/s | 3.8 |
| 2002 | 21.0°C | 18.2°C | 15.4°C | 22.6°C | 12.4°C | 4 mm | 62% | 3.3 m/s | 4 |
| 2001 | 21.1°C | 18.6°C | 16.2°C | 23.8°C | 13.2°C | 53 mm | 67% | 3.4 m/s | 3.6 |
| 2000 | 20.2°C | 17.4°C | 14.6°C | 23.6°C | 10.3°C | 23 mm | 70% | 3.3 m/s | 4.1 |
| 1999 | 19.5°C | 17.8°C | 16.1°C | 22.4°C | 11.9°C | 130 mm | 78% | 4.5 m/s | 3.4 |
| 1998 | 21.1°C | 18.9°C | 16.6°C | 24.5°C | 11.5°C | 41 mm | 74% | 3.9 m/s | 3.4 |
| 1997 | 20.3°C | 18.6°C | 16.8°C | 22.3°C | 14.1°C | 47 mm | 74% | 4.1 m/s | 3.5 |
| 1996 | 19.7°C | 17.3°C | 14.9°C | 23.7°C | 9.5°C | 42 mm | 70% | 3.9 m/s | 3.8 |
| 1995 | 20.8°C | 18.1°C | 15.3°C | 24.7°C | 11.5°C | 16 mm | 65% | 3.5 m/s | 3.9 |
| 1994 | 20.1°C | 18.0°C | 15.9°C | 21.5°C | 12.5°C | 41 mm | 68% | 3.8 m/s | 3.9 |
| 1993 🔥 | 21.5°C | 19.9°C | 18.2°C | 24.1°C | 14.8°C | 100 mm | 79% | 3.5 m/s | 3.2 |
| 1992 | 20.1°C | 18.0°C | 15.9°C | 22.0°C | 10.2°C | 48 mm | 72% | 3.6 m/s | 4 |
| 1991 | 20.6°C | 17.6°C | 14.7°C | 22.9°C | 11.3°C | 45 mm | 61% | 3.4 m/s | 3.9 |
| 1990 | 19.6°C | 17.4°C | 15.2°C | 22.7°C | 10.0°C | 39 mm | 75% | 3.2 m/s | 3.9 |
| 1989 ❄️ | 18.3°C | 16.1°C | 14.0°C | 22.3°C | 9.4°C | 49 mm | 74% | 3.6 m/s | 3.4 |
| 1988 | 20.3°C | 18.4°C | 16.6°C | 22.2°C | 11.9°C | 157 mm | 75% | 3.9 m/s | 3.4 |
| 1987 | 20.2°C | 17.8°C | 15.4°C | 23.4°C | 10.7°C | 105 mm | 67% | 3.6 m/s | 3.9 |
| 1986 | 20.2°C | 18.0°C | 15.8°C | 23.1°C | 8.6°C | 39 mm | 74% | 3.8 m/s | 3.5 |
| 1985 | 19.5°C | 17.2°C | 14.9°C | 23.7°C | 10.2°C | 118 mm | 70% | 3.8 m/s | 3.9 |
| 1984 | 19.7°C | 17.4°C | 15.1°C | 22.3°C | 9.0°C | 119 mm | 73% | 3.6 m/s | 2.8 |
| 1983 | 19.0°C | 17.0°C | 15.0°C | 22.8°C | 9.1°C | 87 mm | 79% | 4 m/s | — |
| 1982 | 19.6°C | 16.9°C | 14.3°C | 21.9°C | 10.1°C | 22 mm | 64% | 3.7 m/s | — |
| 1981 | 20.4°C | 18.0°C | 15.7°C | 24.3°C | 11.2°C | 45 mm | 69% | 3.6 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 20.5°C with lows near 15.9°C (mean 18.2°C), based on 45 years of NASA POWER data.
July averages 53 mm of rainfall in Hervey Bay, one of the drier months. The wettest on record was 168 mm in 2008.
The hottest July reached 25.3°C in 2016. The coldest dipped to 8.6°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.2°C. Daytime highs moved from 19.6°C to 20.9°C and overnight lows from 15°C to 16.2°C over the same span.
July is one of the cooler months of the year in Hervey Bay and one of the drier months, so plan for around 20.5°C daytime highs and 15.9°C at night.
Yes — July is the coldest month of the year in Hervey Bay, averaging 18.2°C.
For July in Hervey Bay, pack light layers you can adjust through the day, with typical highs of 20.5°C and lows of 15.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 70% — moderately humid.
Average wind speed in July is 3.6 m/s. The windiest July on record averaged 4.5 m/s (1999).
The wettest July on record was 2008 with 168 mm. On average, July sees 53 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 Hervey Bay 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.
