July is one of the cooler months of the year in Warrnambool, with average highs near 13.1°C and lows around 9.5°C (mean 11.3°C). It is a relatively wet time of year, averaging 89 mm of rainfall and 80% relative humidity across the period.
July is one of the cooler months of the year in Warrnambool. Across 45 years of records, the warmest Julys in Warrnambool were 2005 and 2023 — when the month averaged 12.2°C — while the coldest was 1982 at 10.2°C. Typical July days reach 13.1°C with nights near 9.5°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Warrnambool, averaging 89 mm of rainfall. The wettest July on record was 1996 with 140 mm, while the driest was 2020 at 34 mm.
Relative humidity in Warrnambool during July averages 80%. The most humid July was 1986 at 84%, and the least humid was 2018 at 76%.
July receives about 1.9 kWh/m²/day of solar energy in Warrnambool. The sunniest Julys were 2017, 2020 and 2024, among others at 2.1 kWh/m²/day, and the cloudiest was 1984 at 1.4.
Average wind speed in Warrnambool during July is 6 m/s. The windiest July was 2018 at 7.3 m/s, while the calmest was 2020 at 4.4 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.7°C | 11.2°C | 11.5°C | 11.5°C | 11.5°C | +0.8°C |
| Avg High | 12.5°C | 13.0°C | 13.3°C | 13.2°C | 13.3°C | +0.8°C |
| Avg Low | 8.9°C | 9.4°C | 9.7°C | 9.8°C | 9.7°C | +0.8°C |
| Avg Rain | 95 mm | 92 mm | 94 mm | 91 mm | 64 mm | -31 mm |
July temperatures in Warrnambool have risen by about 1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 4.4°C (1984) to a record high of 17.6°C (2017).
Rainfall in July is a relatively wet time of year, averaging 89 mm, with a wettest year of 140 mm.
A quieter season to visit Warrnambool
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Warrnambool. That said, July — with days averaging 13.1°C and nights around 9.5°C (mean 11.3°C) and higher rainfall (89 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 | 13.6°C | 11.9°C | 10.1°C | 15.7°C | 7.6°C | 74 mm | 77% | 6 m/s | 2 |
| 2024 | 13.2°C | 11.3°C | 9.3°C | 16.8°C | 5.3°C | 69 mm | 79% | 5.8 m/s | 2.1 |
| 2023 | 13.9°C | 12.2°C | 10.5°C | 16.8°C | 7.8°C | 43 mm | 80% | 6.4 m/s | 1.9 |
| 2022 | 13.1°C | 11.3°C | 9.5°C | 16.8°C | 6.1°C | 46 mm | 79% | 5.3 m/s | 2 |
| 2021 | 13.0°C | 11.2°C | 9.4°C | 15.6°C | 7.3°C | 115 mm | 81% | 6.6 m/s | 1.8 |
| 2020 | 13.1°C | 11.1°C | 9.1°C | 16.8°C | 6.1°C | 34 mm | 80% | 4.4 m/s | 2.1 |
| 2019 | 13.6°C | 12.0°C | 10.3°C | 16.6°C | 8.1°C | 68 mm | 78% | 6.8 m/s | 1.9 |
| 2018 | 13.4°C | 11.7°C | 9.9°C | 16.9°C | 6.7°C | 80 mm | 76% | 7.3 m/s | 2 |
| 2017 | 13.3°C | 11.3°C | 9.3°C | 17.6°C | 6.1°C | 68 mm | 78% | 6.3 m/s | 2.1 |
| 2016 | 13.2°C | 11.6°C | 10.1°C | 17.2°C | 7.2°C | 107 mm | 81% | 6.9 m/s | 1.7 |
| 2015 | 12.4°C | 10.6°C | 8.7°C | 15.4°C | 5.7°C | 70 mm | 78% | 6.4 m/s | 1.8 |
| 2014 | 13.2°C | 11.5°C | 9.8°C | 16.0°C | 7.1°C | 119 mm | 82% | 6.7 m/s | 1.8 |
| 2013 | 13.8°C | 12.0°C | 10.3°C | 16.8°C | 7.5°C | 130 mm | 81% | 6 m/s | 1.8 |
| 2012 | 13.1°C | 11.6°C | 10.1°C | 15.6°C | 6.5°C | 105 mm | 82% | 5.2 m/s | 1.9 |
| 2011 | 13.2°C | 11.5°C | 9.8°C | 16.8°C | 6.6°C | 95 mm | 80% | 6.6 m/s | 1.9 |
| 2010 | 13.2°C | 11.6°C | 10.1°C | 15.9°C | 7.6°C | 67 mm | 81% | 4.7 m/s | 2 |
| 2009 | 13.3°C | 11.7°C | 10.2°C | 15.8°C | 6.5°C | 116 mm | 80% | 6.5 m/s | 1.8 |
| 2008 | 13.2°C | 11.1°C | 9.0°C | 16.0°C | 6.3°C | 129 mm | 79% | 5.9 m/s | 2 |
| 2007 | 12.7°C | 11.0°C | 9.3°C | 16.8°C | 5.4°C | 107 mm | 80% | 5.9 m/s | 2.1 |
| 2006 | 12.9°C | 11.1°C | 9.2°C | 15.5°C | 5.4°C | 78 mm | 81% | 5.8 m/s | 1.8 |
| 2005 🔥 | 13.8°C | 12.2°C | 10.6°C | 16.7°C | 7.9°C | 69 mm | 79% | 5.8 m/s | 1.8 |
| 2004 | 12.6°C | 11.1°C | 9.7°C | 15.4°C | 8.0°C | 109 mm | 79% | 6.6 m/s | 1.9 |
| 2003 | 13.5°C | 11.4°C | 9.3°C | 16.2°C | 7.0°C | 84 mm | 79% | 6.2 m/s | 2 |
| 2002 | 13.7°C | 11.7°C | 9.7°C | 16.4°C | 7.3°C | 103 mm | 78% | 7.1 m/s | 1.8 |
| 2001 | 13.8°C | 12.1°C | 10.4°C | 15.7°C | 7.4°C | 63 mm | 81% | 4.6 m/s | 1.9 |
| 2000 | 13.3°C | 11.5°C | 9.8°C | 16.7°C | 7.3°C | 88 mm | 79% | 6 m/s | 1.9 |
| 1999 | 14.3°C | 12.1°C | 9.9°C | 16.7°C | 5.9°C | 45 mm | 79% | 5.7 m/s | 1.9 |
| 1998 | 12.7°C | 10.9°C | 9.2°C | 15.9°C | 7.3°C | 81 mm | 78% | 5.5 m/s | 1.9 |
| 1997 | 12.5°C | 10.8°C | 9.1°C | 16.2°C | 6.4°C | 48 mm | 77% | 5.2 m/s | 2 |
| 1996 🌧️ | 12.6°C | 10.8°C | 9.0°C | 16.7°C | 6.3°C | 140 mm | 82% | 5.8 m/s | 1.7 |
| 1995 | 11.9°C | 10.5°C | 9.1°C | 14.1°C | 6.1°C | 127 mm | 81% | 6.2 m/s | 1.7 |
| 1994 | 13.4°C | 11.3°C | 9.2°C | 17.2°C | 5.7°C | 77 mm | 80% | 6 m/s | 2.1 |
| 1993 | 13.4°C | 11.5°C | 9.6°C | 16.7°C | 7.6°C | 78 mm | 80% | 5.9 m/s | 1.9 |
| 1992 | 13.0°C | 11.2°C | 9.4°C | 14.8°C | 6.7°C | 98 mm | 81% | 6.6 m/s | 2 |
| 1991 | 12.9°C | 11.3°C | 9.7°C | 15.0°C | 7.1°C | 85 mm | 80% | 5.5 m/s | 2 |
| 1990 | 13.0°C | 11.4°C | 9.8°C | 16.8°C | 7.1°C | 139 mm | 81% | 6.7 m/s | 2 |
| 1989 | 12.1°C | 10.5°C | 8.9°C | 14.5°C | 5.1°C | 94 mm | 82% | 5.7 m/s | 2 |
| 1988 | 13.7°C | 12.0°C | 10.3°C | 16.1°C | 7.6°C | 83 mm | 83% | 6.1 m/s | 1.9 |
| 1987 | 12.8°C | 10.5°C | 8.3°C | 15.6°C | 6.5°C | 61 mm | 83% | 5.6 m/s | 2.1 |
| 1986 | 12.0°C | 10.3°C | 8.6°C | 14.7°C | 5.4°C | 125 mm | 84% | 6.1 m/s | 2 |
| 1985 | 12.6°C | 10.9°C | 9.3°C | 17.5°C | 6.1°C | 96 mm | 76% | 6.1 m/s | 2.1 |
| 1984 | 12.2°C | 10.6°C | 9.1°C | 15.1°C | 4.4°C | 131 mm | 82% | 5.6 m/s | 1.4 |
| 1983 | 12.2°C | 10.5°C | 8.9°C | 14.4°C | 5.0°C | 83 mm | 81% | 5.2 m/s | — |
| 1982 ❄️ | 12.3°C | 10.2°C | 8.2°C | 14.9°C | 5.0°C | 50 mm | 78% | 4.9 m/s | — |
| 1981 | 12.9°C | 10.9°C | 8.8°C | 15.5°C | 6.1°C | 130 mm | 82% | 6.8 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 13.1°C with lows near 9.5°C (mean 11.3°C), based on 45 years of NASA POWER data.
July averages 89 mm of rainfall in Warrnambool, a relatively wet time of year. The wettest on record was 140 mm in 1996.
The hottest July reached 17.6°C in 2017. The coldest dipped to 4.4°C in 1984.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1°C. Daytime highs moved from 12.4°C to 13.4°C and overnight lows from 8.9°C to 9.8°C over the same span.
July is one of the cooler months of the year in Warrnambool and a relatively wet time of year, so plan for around 13.1°C daytime highs and 9.5°C at night.
Yes — July is the coldest month of the year in Warrnambool, averaging 11.3°C.
For July in Warrnambool, pack light layers you can adjust through the day, with typical highs of 13.1°C and lows of 9.5°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 80% — quite humid.
Average wind speed in July is 6 m/s. The windiest July on record averaged 7.3 m/s (2018).
The wettest July on record was 1996 with 140 mm. On average, July sees 89 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 Warrnambool 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.
