July is one of the cooler months of the year in Victor Harbor, with average highs near 13.6°C and lows around 8.9°C (mean 11.3°C). It is a relatively wet time of year, averaging 71 mm of rainfall and 79% relative humidity across the period.
July is one of the cooler months of the year in Victor Harbor. Across 45 years of records, the warmest July in Victor Harbor was 2019 — when the month averaged 12.4°C — while the coldest was 1982 at 9.8°C. Typical July days reach 13.6°C with nights near 8.9°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Victor Harbor, averaging 71 mm of rainfall. The wettest July on record was 1995 with 139 mm, while the driest was 2020 at 20 mm.
Relative humidity in Victor Harbor during July averages 79%. The most humid July was 1983 at 82%, and the least humid was 2018 at 71%.
July receives about 2.3 kWh/m²/day of solar energy in Victor Harbor. The sunniest Julys were 1994, 2020 and 2024 at 2.6 kWh/m²/day, and the cloudiest was 1984 at 1.7.
Average wind speed in Victor Harbor during July is 5.1 m/s. The windiest Julys were 1981 and 2021 at 6.1 m/s, while the calmest was 2001 at 3.7 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 | 11.4°C | 11.6°C | 11.4°C | +0.7°C |
| Avg High | 13.0°C | 13.5°C | 13.8°C | 14.0°C | 13.8°C | +0.8°C |
| Avg Low | 8.4°C | 8.9°C | 9.0°C | 9.2°C | 8.9°C | +0.5°C |
| Avg Rain | 85 mm | 76 mm | 72 mm | 63 mm | 53 mm | -31 mm |
July temperatures in Victor Harbor have risen by about 0.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 2.9°C (1982) to a record high of 19.8°C (1985).
Rainfall in July is a relatively wet time of year, averaging 71 mm, with a wettest year of 139 mm.
A quieter season to visit Victor Harbor
If your dates are flexible, the more temperate months of February and January tend to be the most comfortable for visiting Victor Harbor. That said, July — with days averaging 13.6°C and nights around 8.9°C (mean 11.3°C) and moderate rainfall (71 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 | 11.5°C | 9.3°C | 16.6°C | 7.4°C | 92 mm | 76% | 5.4 m/s | 2.4 |
| 2024 | 14.1°C | 11.3°C | 8.6°C | 18.5°C | 3.7°C | 42 mm | 77% | 5.2 m/s | 2.6 |
| 2023 | 14.3°C | 11.8°C | 9.4°C | 16.9°C | 5.5°C | 35 mm | 80% | 5 m/s | 2.5 |
| 2022 | 13.5°C | 11.1°C | 8.7°C | 17.9°C | 4.8°C | 37 mm | 79% | 4.6 m/s | 2.3 |
| 2021 | 13.7°C | 11.4°C | 9.0°C | 17.5°C | 4.5°C | 94 mm | 79% | 6.1 m/s | 2.2 |
| 2020 | 13.8°C | 11.1°C | 8.4°C | 17.2°C | 5.7°C | 20 mm | 81% | 3.8 m/s | 2.6 |
| 2019 🔥 | 14.9°C | 12.4°C | 9.8°C | 19.5°C | 7.0°C | 29 mm | 78% | 5.2 m/s | 2.4 |
| 2018 | 14.6°C | 12.2°C | 9.8°C | 18.3°C | 5.9°C | 30 mm | 71% | 6 m/s | 2.5 |
| 2017 | 14.7°C | 12.2°C | 9.8°C | 19.1°C | 6.5°C | 57 mm | 74% | 5.6 m/s | 2.4 |
| 2016 | 13.8°C | 11.6°C | 9.3°C | 19.6°C | 4.7°C | 92 mm | 79% | 5.9 m/s | 2.1 |
| 2015 | 13.0°C | 10.6°C | 8.2°C | 15.9°C | 3.7°C | 40 mm | 78% | 5.4 m/s | 2.4 |
| 2014 | 13.7°C | 11.4°C | 9.2°C | 16.1°C | 6.2°C | 86 mm | 80% | 5.8 m/s | 2.2 |
| 2013 | 14.2°C | 12.0°C | 9.8°C | 16.9°C | 6.3°C | 111 mm | 81% | 5.2 m/s | 2.2 |
| 2012 | 13.3°C | 11.1°C | 8.8°C | 15.5°C | 4.2°C | 67 mm | 82% | 4.4 m/s | 2.4 |
| 2011 | 13.8°C | 11.5°C | 9.1°C | 18.5°C | 4.5°C | 62 mm | 79% | 5 m/s | 2.3 |
| 2010 | 13.9°C | 11.3°C | 8.7°C | 15.8°C | 5.6°C | 61 mm | 81% | 4 m/s | 2.5 |
| 2009 | 14.2°C | 12.0°C | 9.8°C | 16.8°C | 5.7°C | 96 mm | 79% | 5.8 m/s | 2.4 |
| 2008 | 13.3°C | 11.1°C | 8.9°C | 16.5°C | 4.3°C | 83 mm | 77% | 5.7 m/s | 2.2 |
| 2007 | 13.5°C | 11.3°C | 9.0°C | 17.1°C | 5.3°C | 67 mm | 78% | 5.3 m/s | 2.4 |
| 2006 | 13.2°C | 10.7°C | 8.1°C | 16.9°C | 3.4°C | 57 mm | 80% | 5.1 m/s | 2.2 |
| 2005 | 14.0°C | 11.7°C | 9.3°C | 17.2°C | 5.3°C | 53 mm | 81% | 4.6 m/s | 2.3 |
| 2004 | 13.3°C | 11.2°C | 9.1°C | 17.5°C | 6.6°C | 89 mm | 80% | 5.3 m/s | 2.2 |
| 2003 | 13.7°C | 11.1°C | 8.5°C | 16.7°C | 5.3°C | 59 mm | 79% | 5.1 m/s | 2.4 |
| 2002 | 14.8°C | 12.0°C | 9.2°C | 19.5°C | 6.0°C | 74 mm | 76% | 5.9 m/s | 2.4 |
| 2001 | 14.1°C | 11.6°C | 9.0°C | 17.4°C | 6.9°C | 55 mm | 80% | 3.7 m/s | 2.4 |
| 2000 | 13.9°C | 11.4°C | 8.9°C | 17.5°C | 6.3°C | 82 mm | 80% | 5.5 m/s | 2.5 |
| 1999 | 14.5°C | 12.0°C | 9.4°C | 17.8°C | 5.9°C | 52 mm | 78% | 4.3 m/s | 2.2 |
| 1998 | 12.9°C | 10.4°C | 8.0°C | 15.2°C | 5.2°C | 63 mm | 77% | 4.5 m/s | 2.2 |
| 1997 | 12.8°C | 10.4°C | 7.9°C | 16.5°C | 5.4°C | 28 mm | 76% | 3.9 m/s | 2.5 |
| 1996 | 13.6°C | 11.4°C | 9.2°C | 17.6°C | 6.7°C | 110 mm | 81% | 5.5 m/s | 2.2 |
| 1995 🌧️ | 12.8°C | 10.9°C | 9.1°C | 15.1°C | 5.6°C | 139 mm | 81% | 5.9 m/s | 2.1 |
| 1994 | 14.3°C | 11.5°C | 8.7°C | 18.5°C | 5.2°C | 52 mm | 76% | 4.7 m/s | 2.6 |
| 1993 | 13.7°C | 11.4°C | 9.1°C | 18.5°C | 6.0°C | 86 mm | 79% | 5 m/s | 2.4 |
| 1992 | 13.9°C | 11.6°C | 9.3°C | 17.6°C | 6.2°C | 57 mm | 79% | 5.5 m/s | 2.5 |
| 1991 | 13.3°C | 11.1°C | 9.0°C | 16.7°C | 5.5°C | 72 mm | 81% | 4.5 m/s | 2.3 |
| 1990 | 13.4°C | 11.3°C | 9.3°C | 17.8°C | 7.8°C | 100 mm | 80% | 5.7 m/s | 2.4 |
| 1989 | 12.3°C | 10.3°C | 8.4°C | 15.8°C | 4.1°C | 103 mm | 82% | 5.3 m/s | 2.4 |
| 1988 | 14.1°C | 11.7°C | 9.3°C | 16.8°C | 6.5°C | 73 mm | 81% | 5.6 m/s | 2.4 |
| 1987 | 13.2°C | 10.7°C | 8.3°C | 16.8°C | 4.9°C | 90 mm | 80% | 4.8 m/s | 2.3 |
| 1986 | 12.6°C | 10.6°C | 8.6°C | 15.8°C | 3.8°C | 124 mm | 79% | 5.2 m/s | 2.3 |
| 1985 | 13.6°C | 11.2°C | 8.9°C | 19.8°C | 3.3°C | 52 mm | 76% | 5.1 m/s | 2.4 |
| 1984 | 12.2°C | 10.2°C | 8.1°C | 15.0°C | 4.0°C | 97 mm | 81% | 5.1 m/s | 1.7 |
| 1983 | 12.5°C | 10.3°C | 8.1°C | 14.5°C | 4.4°C | 104 mm | 82% | 5.2 m/s | — |
| 1982 ❄️ | 12.6°C | 9.8°C | 7.0°C | 16.0°C | 2.9°C | 27 mm | 77% | 4.3 m/s | — |
| 1981 | 13.7°C | 11.2°C | 8.7°C | 17.7°C | 5.9°C | 92 mm | 78% | 6.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 13.6°C with lows near 8.9°C (mean 11.3°C), based on 45 years of NASA POWER data.
July averages 71 mm of rainfall in Victor Harbor, a relatively wet time of year. The wettest on record was 139 mm in 1995.
The hottest July reached 19.8°C in 1985. The coldest dipped to 2.9°C in 1982.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.9°C. Daytime highs moved from 12.9°C to 13.8°C and overnight lows from 8.2°C to 9°C over the same span.
July is one of the cooler months of the year in Victor Harbor and a relatively wet time of year, so plan for around 13.6°C daytime highs and 8.9°C at night.
Yes — July is the coldest month of the year in Victor Harbor, averaging 11.3°C.
For July in Victor Harbor, pack light layers you can adjust through the day, with typical highs of 13.6°C and lows of 8.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 79% — quite humid.
Average wind speed in July is 5.1 m/s. The windiest July on record averaged 6.1 m/s (1981).
The wettest July on record was 1995 with 139 mm. On average, July sees 71 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 Victor Harbor 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.
