July is one of the cooler months of the year in Southern Cross, with average highs near 16.9°C and lows around 5°C (mean 11°C). It is a relatively wet time of year, averaging 40 mm of rainfall and 70% relative humidity across the period.
July is one of the cooler months of the year in Southern Cross. Across 45 years of records, the warmest July in Southern Cross was 2007 — when the month averaged 13.1°C — while the coldest was 1986 at 9°C. Typical July days reach 16.9°C with nights near 5°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Southern Cross, averaging 40 mm of rainfall. The wettest July on record was 2008 with 84 mm, while the driest was 2005 at 8 mm.
Relative humidity in Southern Cross during July averages 70%. The most humid July was 1998 at 78%, and the least humid was 2022 at 59%.
July receives about 3 kWh/m²/day of solar energy in Southern Cross. The sunniest July was 2020 at 3.5 kWh/m²/day, and the cloudiest was 1984 at 2.5.
Average wind speed in Southern Cross during July is 3 m/s. The windiest Julys were 1996 and 2021 at 3.7 m/s, while the calmest were 2005, 2012 and 2015, among others at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.2°C | 10.8°C | 11.2°C | 11.1°C | 11.6°C | +1.4°C |
| Avg High | 16.2°C | 16.7°C | 17.2°C | 17.1°C | 17.8°C | +1.6°C |
| Avg Low | 4.3°C | 5.0°C | 5.2°C | 5.1°C | 5.5°C | +1.2°C |
| Avg Rain | 38 mm | 48 mm | 40 mm | 40 mm | 28 mm | -10 mm |
July temperatures in Southern Cross have risen by about 1.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -1.8°C (1990) to a record high of 26.2°C (2001).
Rainfall in July is a relatively wet time of year, averaging 40 mm, with a wettest year of 84 mm.
A quieter season to visit Southern Cross
If your dates are flexible, the more temperate months of November and March tend to be the most comfortable for visiting Southern Cross. That said, July — with days averaging 16.9°C and nights around 5°C (mean 11°C) and moderate rainfall (40 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 | 16.2°C | 10.3°C | 4.3°C | 22.0°C | 1.3°C | 25 mm | 68% | 2.9 m/s | 3 |
| 2024 | 18.0°C | 12.1°C | 6.1°C | 25.5°C | 1.1°C | 46 mm | 68% | 3.2 m/s | 3.1 |
| 2023 | 18.0°C | 11.3°C | 4.6°C | 23.6°C | 0.5°C | 9 mm | 65% | 3 m/s | 3.2 |
| 2022 | 19.0°C | 12.2°C | 5.4°C | 24.5°C | 1.0°C | 23 mm | 59% | 2.8 m/s | 3.1 |
| 2021 | 16.5°C | 11.7°C | 6.9°C | 19.5°C | 2.5°C | 49 mm | 76% | 3.7 m/s | 2.6 |
| 2020 | 18.8°C | 12.1°C | 5.4°C | 25.8°C | 1.6°C | 17 mm | 64% | 2.8 m/s | 3.5 |
| 2019 | 18.1°C | 11.7°C | 5.2°C | 23.8°C | 2.8°C | 27 mm | 69% | 2.6 m/s | 3.2 |
| 2018 | 18.3°C | 12.3°C | 6.3°C | 23.2°C | 2.4°C | 46 mm | 66% | 3.3 m/s | 3.1 |
| 2017 | 16.9°C | 11.0°C | 5.2°C | 22.2°C | 0.7°C | 36 mm | 72% | 3.1 m/s | 3 |
| 2016 | 15.9°C | 10.0°C | 4.0°C | 23.2°C | -0.6°C | 37 mm | 73% | 3 m/s | 3 |
| 2015 | 17.0°C | 11.3°C | 5.6°C | 22.6°C | 0.2°C | 80 mm | 70% | 2.5 m/s | 2.8 |
| 2014 | 16.9°C | 11.1°C | 5.3°C | 22.9°C | 2.2°C | 39 mm | 74% | 3 m/s | 3 |
| 2013 | 17.4°C | 11.2°C | 4.9°C | 25.0°C | 0.3°C | 32 mm | 68% | 2.8 m/s | 3.1 |
| 2012 | 17.4°C | 10.6°C | 3.8°C | 21.8°C | 0.9°C | 20 mm | 63% | 2.5 m/s | 3.3 |
| 2011 | 16.9°C | 11.7°C | 6.5°C | 23.2°C | 2.7°C | 49 mm | 75% | 2.9 m/s | 2.6 |
| 2010 | 16.5°C | 10.2°C | 3.8°C | 21.6°C | 0.7°C | 34 mm | 68% | 2.6 m/s | 3.3 |
| 2009 | 16.0°C | 10.4°C | 4.8°C | 21.2°C | -0.3°C | 43 mm | 74% | 2.8 m/s | 2.9 |
| 2008 🌧️ | 17.0°C | 11.1°C | 5.1°C | 22.3°C | 0.9°C | 84 mm | 72% | 3 m/s | 3 |
| 2007 🔥 | 19.0°C | 13.1°C | 7.3°C | 23.7°C | 3.7°C | 37 mm | 64% | 3.6 m/s | 3 |
| 2006 | 17.3°C | 10.9°C | 4.5°C | 22.6°C | 1.2°C | 18 mm | 69% | 2.8 m/s | 3.2 |
| 2005 | 16.6°C | 10.4°C | 4.3°C | 22.6°C | 0.0°C | 8 mm | 71% | 2.5 m/s | 3.2 |
| 2004 | 16.3°C | 10.4°C | 4.4°C | 22.4°C | 0.2°C | 49 mm | 71% | 2.7 m/s | 2.9 |
| 2003 | 16.6°C | 10.8°C | 5.1°C | 23.1°C | -0.1°C | 36 mm | 75% | 2.8 m/s | 2.8 |
| 2002 | 18.3°C | 12.0°C | 5.7°C | 23.4°C | -0.5°C | 24 mm | 65% | 3.3 m/s | 2.9 |
| 2001 | 18.1°C | 11.6°C | 5.0°C | 26.2°C | 1.0°C | 57 mm | 65% | 2.8 m/s | 3 |
| 2000 | 16.4°C | 10.9°C | 5.4°C | 20.0°C | 0.0°C | 40 mm | 74% | 3.6 m/s | 2.9 |
| 1999 | 16.8°C | 10.8°C | 4.9°C | 21.0°C | 1.9°C | 48 mm | 75% | 3.1 m/s | 3.2 |
| 1998 | 15.0°C | 9.6°C | 4.3°C | 19.5°C | 0.3°C | 52 mm | 78% | 2.8 m/s | 2.8 |
| 1997 | 16.8°C | 10.1°C | 3.3°C | 23.0°C | -1.5°C | 38 mm | 63% | 2.8 m/s | 3.1 |
| 1996 | 17.0°C | 11.6°C | 6.1°C | 21.9°C | 0.5°C | 74 mm | 73% | 3.7 m/s | 2.7 |
| 1995 | 16.0°C | 10.8°C | 5.7°C | 21.0°C | 0.9°C | 84 mm | 77% | 3.3 m/s | 2.9 |
| 1994 | 19.1°C | 12.4°C | 5.7°C | 24.5°C | 1.9°C | 17 mm | 66% | 2.5 m/s | 3.2 |
| 1993 | 15.3°C | 9.8°C | 4.4°C | 20.9°C | 0.1°C | 24 mm | 74% | 3.3 m/s | 3 |
| 1992 | 18.4°C | 12.1°C | 5.8°C | 23.2°C | 1.6°C | 19 mm | 70% | 2.8 m/s | 3.2 |
| 1991 | 17.0°C | 11.2°C | 5.4°C | 24.0°C | 0.1°C | 64 mm | 71% | 3 m/s | 2.9 |
| 1990 | 15.3°C | 9.7°C | 4.0°C | 22.2°C | -1.8°C | 57 mm | 74% | 3.3 m/s | 3 |
| 1989 | 14.8°C | 9.2°C | 3.7°C | 21.2°C | 0.6°C | 26 mm | 76% | 2.5 m/s | 3 |
| 1988 | 16.6°C | 10.6°C | 4.7°C | 22.6°C | 0.3°C | 45 mm | 72% | 3 m/s | 3 |
| 1987 | 17.3°C | 11.2°C | 5.0°C | 24.8°C | 0.7°C | 38 mm | 67% | 3.1 m/s | 2.9 |
| 1986 ❄️ | 14.5°C | 9.0°C | 3.4°C | 19.4°C | -0.9°C | 36 mm | 71% | 3 m/s | 3 |
| 1985 | 17.5°C | 11.6°C | 5.7°C | 25.4°C | 0.9°C | 57 mm | 65% | 2.9 m/s | 2.8 |
| 1984 | 15.1°C | 9.9°C | 4.8°C | 19.6°C | 1.8°C | 40 mm | 76% | 3.1 m/s | 2.5 |
| 1983 | 17.4°C | 10.9°C | 4.3°C | 23.2°C | 0.4°C | 39 mm | 62% | 2.8 m/s | — |
| 1982 | 16.6°C | 9.8°C | 3.0°C | 21.4°C | -1.0°C | 16 mm | 64% | 2.7 m/s | — |
| 1981 | 15.7°C | 10.0°C | 4.2°C | 20.3°C | 0.6°C | 50 mm | 75% | 2.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 16.9°C with lows near 5°C (mean 11°C), based on 45 years of NASA POWER data.
July averages 40 mm of rainfall in Southern Cross, a relatively wet time of year. The wettest on record was 84 mm in 2008.
The hottest July reached 26.2°C in 2001. The coldest dipped to -1.8°C in 1990.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.1°C. Daytime highs moved from 16.5°C to 17.5°C and overnight lows from 4.4°C to 5.5°C over the same span.
July is one of the cooler months of the year in Southern Cross and a relatively wet time of year, so plan for around 16.9°C daytime highs and 5°C at night.
Yes — July is the coldest month of the year in Southern Cross, averaging 11°C.
For July in Southern Cross, pack warm layers and a jacket for chilly mornings, with typical highs of 16.9°C and lows of 5°C.
Relative humidity in July averages 70% — moderately humid.
Average wind speed in July is 3 m/s. The windiest July on record averaged 3.7 m/s (1996).
The wettest July on record was 2008 with 84 mm. On average, July sees 40 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 Southern Cross 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.
