July is one of the cooler months of the year in Campbelltown, with average highs near 14.6°C and lows around 3.9°C (mean 9.3°C). It is one of the drier months, averaging 70 mm of rainfall and 81% relative humidity across the period.
July is one of the cooler months of the year in Campbelltown. Across 45 years of records, the warmest July in Campbelltown was 2023 — when the month averaged 11.9°C — while the coldest were 1983 and 1995 at 7.7°C. Typical July days reach 14.6°C with nights near 3.9°C. The long-term trend is warming, about 0.4°C per decade.
July is one of the drier months in Campbelltown, averaging 70 mm of rainfall. The wettest July on record was 2022 with 247 mm, while the driest was 2018 at 2 mm.
Relative humidity in Campbelltown during July averages 81%. The most humid July was 2022 at 88%, and the least humid was 2018 at 64%.
July receives about 2.7 kWh/m²/day of solar energy in Campbelltown. The sunniest Julys were 2017 and 2018 at 3.1 kWh/m²/day, and the cloudiest was 1984 at 1.8.
Average wind speed in Campbelltown during July is 1.1 m/s. The windiest Julys were 2022, 2024 and 2025, among others at 1.2 m/s, while the calmest was 1993 at 0.8 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.5°C | 8.9°C | 9.4°C | 9.7°C | 10.1°C | +1.6°C |
| Avg High | 13.7°C | 14.1°C | 14.8°C | 15.3°C | 15.2°C | +1.5°C |
| Avg Low | 3.2°C | 3.7°C | 4.0°C | 4.1°C | 4.9°C | +1.7°C |
| Avg Rain | 77 mm | 80 mm | 62 mm | 50 mm | 87 mm | +11 mm |
July temperatures in Campbelltown have risen by about 1.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -2.8°C (1986) to a record high of 23.5°C (2017).
Rainfall in July is one of the drier months, averaging 70 mm, with a wettest year of 247 mm.
A quieter season to visit Campbelltown
If your dates are flexible, the more temperate months of December and February tend to be the most comfortable for visiting Campbelltown. That said, July — with days averaging 14.6°C and nights around 3.9°C (mean 9.3°C) and moderate rainfall (70 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 | 14.5°C | 9.6°C | 4.7°C | 18.5°C | 0.1°C | 91 mm | 80% | 1.2 m/s | 2.5 |
| 2024 | 14.4°C | 9.7°C | 4.9°C | 18.5°C | 1.3°C | 26 mm | 82% | 1.2 m/s | 2.6 |
| 2023 🔥 | 18.6°C | 11.9°C | 5.1°C | 22.9°C | 1.0°C | 12 mm | 72% | 1.1 m/s | 3 |
| 2022 🌧️ | 13.6°C | 9.6°C | 5.6°C | 16.5°C | 0.3°C | 247 mm | 88% | 1.2 m/s | 2.4 |
| 2021 | 14.8°C | 9.4°C | 4.0°C | 21.4°C | -0.8°C | 23 mm | 78% | 1.1 m/s | 2.6 |
| 2020 | 15.3°C | 10.3°C | 5.2°C | 19.0°C | 1.5°C | 124 mm | 83% | 1.1 m/s | 2.6 |
| 2019 | 17.1°C | 10.9°C | 4.7°C | 21.4°C | 0.7°C | 14 mm | 71% | 1.1 m/s | 2.9 |
| 2018 | 17.5°C | 10.5°C | 3.5°C | 23.1°C | -1.4°C | 2 mm | 64% | 1.2 m/s | 3.1 |
| 2017 | 16.3°C | 9.9°C | 3.4°C | 23.5°C | -0.3°C | 12 mm | 71% | 1.1 m/s | 3.1 |
| 2016 | 15.6°C | 10.3°C | 5.1°C | 22.6°C | -0.1°C | 63 mm | 81% | 1.1 m/s | 2.7 |
| 2015 | 14.0°C | 8.5°C | 2.9°C | 17.8°C | -1.4°C | 22 mm | 81% | 1.1 m/s | 2.7 |
| 2014 | 15.7°C | 10.0°C | 4.3°C | 20.9°C | 0.0°C | 13 mm | 76% | 1.2 m/s | 2.8 |
| 2013 | 15.6°C | 10.3°C | 4.9°C | 19.7°C | 1.0°C | 29 mm | 84% | 0.9 m/s | 2.8 |
| 2012 | 13.9°C | 8.9°C | 3.9°C | 19.6°C | -0.4°C | 52 mm | 86% | 1 m/s | 2.8 |
| 2011 | 13.6°C | 8.8°C | 4.0°C | 17.5°C | 0.0°C | 212 mm | 83% | 1.2 m/s | 2.5 |
| 2010 | 14.0°C | 9.2°C | 4.4°C | 18.4°C | 0.5°C | 85 mm | 88% | 1 m/s | 2.5 |
| 2009 | 14.7°C | 9.5°C | 4.3°C | 20.2°C | -0.1°C | 62 mm | 80% | 1.1 m/s | 2.8 |
| 2008 | 14.3°C | 8.8°C | 3.3°C | 21.4°C | 0.1°C | 61 mm | 78% | 1.1 m/s | 2.7 |
| 2007 | 13.4°C | 8.2°C | 3.0°C | 18.6°C | -2.2°C | 38 mm | 83% | 1.2 m/s | 2.9 |
| 2006 | 14.5°C | 9.5°C | 4.6°C | 18.8°C | -0.1°C | 118 mm | 84% | 1 m/s | 2.5 |
| 2005 | 15.7°C | 9.9°C | 4.2°C | 19.3°C | 0.0°C | 20 mm | 80% | 1 m/s | 2.9 |
| 2004 | 15.5°C | 9.9°C | 4.2°C | 21.3°C | 0.1°C | 50 mm | 76% | 1.1 m/s | 2.6 |
| 2003 | 14.4°C | 9.3°C | 4.1°C | 18.6°C | -1.8°C | 61 mm | 83% | 1 m/s | 2.8 |
| 2002 | 15.9°C | 9.2°C | 2.5°C | 19.7°C | -1.4°C | 31 mm | 70% | 1.2 m/s | 2.9 |
| 2001 | 14.3°C | 10.1°C | 5.8°C | 18.9°C | 0.9°C | 141 mm | 87% | 1 m/s | 2.2 |
| 2000 | 15.1°C | 9.4°C | 3.7°C | 20.3°C | -1.1°C | 43 mm | 79% | 1.1 m/s | 2.8 |
| 1999 | 14.6°C | 9.9°C | 5.2°C | 17.5°C | 1.0°C | 175 mm | 85% | 1.1 m/s | 2.5 |
| 1998 | 13.4°C | 8.6°C | 3.8°C | 18.4°C | -0.2°C | 93 mm | 85% | 1.1 m/s | 2.5 |
| 1997 | 13.5°C | 8.4°C | 3.3°C | 17.3°C | -0.8°C | 109 mm | 85% | 1 m/s | 2.7 |
| 1996 | 13.8°C | 8.5°C | 3.2°C | 17.5°C | -1.7°C | 61 mm | 83% | 1.1 m/s | 2.6 |
| 1995 | 13.4°C | 7.7°C | 2.1°C | 16.1°C | -1.9°C | 13 mm | 79% | 1.1 m/s | 2.7 |
| 1994 | 15.0°C | 8.8°C | 2.7°C | 19.2°C | -0.5°C | 40 mm | 80% | 1 m/s | 2.9 |
| 1993 | 15.7°C | 10.8°C | 5.9°C | 19.3°C | 0.3°C | 84 mm | 85% | 0.8 m/s | 2.4 |
| 1992 | 14.7°C | 9.0°C | 3.3°C | 20.2°C | -1.0°C | 18 mm | 80% | 1 m/s | 2.9 |
| 1991 | 13.0°C | 8.3°C | 3.6°C | 16.8°C | -1.2°C | 105 mm | 85% | 1.1 m/s | 2.5 |
| 1990 | 13.6°C | 8.7°C | 3.8°C | 22.5°C | 0.9°C | 106 mm | 85% | 1.1 m/s | 2.7 |
| 1989 | 12.8°C | 8.0°C | 3.2°C | 18.7°C | -1.3°C | 27 mm | 85% | 1.1 m/s | 2.6 |
| 1988 | 15.2°C | 10.1°C | 5.0°C | 18.5°C | 0.6°C | 113 mm | 85% | 1 m/s | 2.8 |
| 1987 | 13.8°C | 8.5°C | 3.3°C | 17.3°C | -1.3°C | 100 mm | 82% | 1 m/s | 2.7 |
| 1986 | 14.8°C | 8.9°C | 3.0°C | 17.5°C | -2.8°C | 29 mm | 77% | 1.1 m/s | 2.8 |
| 1985 | 13.7°C | 8.6°C | 3.4°C | 18.1°C | -1.0°C | 83 mm | 82% | 1.1 m/s | 2.8 |
| 1984 | 12.8°C | 8.1°C | 3.3°C | 15.8°C | 0.1°C | 162 mm | 84% | 1.2 m/s | 1.8 |
| 1983 ❄️ | 13.1°C | 7.7°C | 2.3°C | 16.6°C | -2.0°C | 32 mm | 84% | 1 m/s | — |
| 1982 | 13.2°C | 7.9°C | 2.6°C | 16.1°C | -0.7°C | 95 mm | 81% | 1.1 m/s | — |
| 1981 | 13.9°C | 8.3°C | 2.6°C | 18.4°C | -1.9°C | 48 mm | 79% | 1.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 14.6°C with lows near 3.9°C (mean 9.3°C), based on 45 years of NASA POWER data.
July averages 70 mm of rainfall in Campbelltown, one of the drier months. The wettest on record was 247 mm in 2022.
The hottest July reached 23.5°C in 2017. The coldest dipped to -2.8°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.9°C. Daytime highs moved from 13.3°C to 15.2°C and overnight lows from 2.8°C to 4.9°C over the same span.
July is one of the cooler months of the year in Campbelltown and one of the drier months, so plan for around 14.6°C daytime highs and 3.9°C at night.
Yes — July is the coldest month of the year in Campbelltown, averaging 9.3°C.
For July in Campbelltown, pack warm layers and a jacket for chilly mornings, with typical highs of 14.6°C and lows of 3.9°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 81% — quite humid.
Average wind speed in July is 1.1 m/s. The windiest July on record averaged 1.2 m/s (1984).
The wettest July on record was 2022 with 247 mm. On average, July sees 70 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 Campbelltown 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.
