July is one of the cooler months of the year in Woomera, with average highs near 17.8°C and lows around 5.3°C (mean 11.6°C). It is about average for rainfall, averaging 13 mm of rainfall and 64% relative humidity across the period.
July is one of the cooler months of the year in Woomera. Across 45 years of records, the warmest July in Woomera was 2019 — when the month averaged 13.1°C — while the coldest was 1989 at 9.9°C. Typical July days reach 17.8°C with nights near 5.3°C. The long-term trend is warming, about 0.2°C per decade.
July is about average for rainfall in Woomera, averaging 13 mm of rainfall. The wettest July on record was 2021 with 41 mm, while the driest was 1982 at 1 mm.
Relative humidity in Woomera during July averages 64%. The most humid July was 1989 at 75%, and the least humid was 2002 at 53%.
July receives about 3.2 kWh/m²/day of solar energy in Woomera. The sunniest Julys were 1992 and 1994 at 3.7 kWh/m²/day, and the cloudiest was 1984 at 2.2.
Average wind speed in Woomera during July is 2.9 m/s. The windiest July was 2021 at 3.6 m/s, while the calmest was 2001 at 2.2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 10.8°C | 11.5°C | 12.0°C | 11.8°C | 11.7°C | +0.9°C |
| Avg High | 16.9°C | 17.7°C | 18.3°C | 18.1°C | 17.9°C | +1°C |
| Avg Low | 4.8°C | 5.4°C | 5.6°C | 5.5°C | 5.4°C | +0.6°C |
| Avg Rain | 14 mm | 13 mm | 9 mm | 11 mm | 19 mm | +5 mm |
July temperatures in Woomera have risen by about 0.9°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -0.7°C (2015) to a record high of 28.3°C (2017).
Rainfall in July is about average for rainfall, averaging 13 mm, with a wettest year of 41 mm.
A quieter season to visit Woomera
If your dates are flexible, the more temperate months of November and April tend to be the most comfortable for visiting Woomera. That said, July — with days averaging 17.8°C and nights around 5.3°C (mean 11.6°C) and low rainfall (13 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 | 17.4°C | 11.5°C | 5.6°C | 23.2°C | 2.8°C | 33 mm | 65% | 3.5 m/s | 3.1 |
| 2024 | 17.4°C | 11.5°C | 5.5°C | 21.3°C | 0.0°C | 19 mm | 65% | 3.1 m/s | 3.3 |
| 2023 | 18.7°C | 12.3°C | 5.8°C | 23.4°C | 2.9°C | 7 mm | 66% | 2.8 m/s | 3.3 |
| 2022 | 17.3°C | 10.9°C | 4.6°C | 23.3°C | 0.9°C | 8 mm | 66% | 2.8 m/s | 3.4 |
| 2021 🌧️ | 18.2°C | 12.1°C | 6.0°C | 26.2°C | 2.3°C | 41 mm | 65% | 3.6 m/s | 3.1 |
| 2020 | 18.3°C | 11.7°C | 5.0°C | 24.3°C | 1.3°C | 6 mm | 64% | 2.4 m/s | 3.4 |
| 2019 🔥 | 19.8°C | 13.1°C | 6.5°C | 24.6°C | 2.6°C | 7 mm | 61% | 2.8 m/s | 3.4 |
| 2018 | 19.2°C | 12.3°C | 5.3°C | 23.3°C | 1.2°C | 5 mm | 55% | 3.1 m/s | 3.4 |
| 2017 | 19.3°C | 12.5°C | 5.6°C | 28.3°C | 1.9°C | 14 mm | 58% | 3.2 m/s | 3.2 |
| 2016 | 18.1°C | 12.1°C | 6.1°C | 26.0°C | 1.3°C | 8 mm | 63% | 3 m/s | 3.3 |
| 2015 | 16.6°C | 10.4°C | 4.3°C | 23.6°C | -0.7°C | 7 mm | 67% | 2.8 m/s | 3.1 |
| 2014 | 17.9°C | 11.6°C | 5.4°C | 23.4°C | 2.3°C | 3 mm | 63% | 3.2 m/s | 3.2 |
| 2013 | 18.5°C | 12.3°C | 6.1°C | 23.8°C | 2.8°C | 26 mm | 69% | 2.9 m/s | 3.1 |
| 2012 | 17.3°C | 10.9°C | 4.4°C | 21.1°C | 0.7°C | 5 mm | 65% | 2.6 m/s | 3.3 |
| 2011 | 17.8°C | 11.9°C | 6.0°C | 24.3°C | 2.2°C | 25 mm | 68% | 2.6 m/s | 3 |
| 2010 | 16.9°C | 10.9°C | 4.9°C | 21.5°C | 1.5°C | 13 mm | 70% | 2.6 m/s | 3.3 |
| 2009 | 18.4°C | 12.6°C | 6.9°C | 23.4°C | 3.6°C | 12 mm | 63% | 3.3 m/s | 3.2 |
| 2008 | 17.7°C | 11.5°C | 5.3°C | 24.9°C | 0.3°C | 2 mm | 61% | 3.3 m/s | 3.1 |
| 2007 | 18.8°C | 12.4°C | 5.9°C | 25.6°C | 0.6°C | 3 mm | 59% | 2.9 m/s | 3.2 |
| 2006 | 17.6°C | 11.5°C | 5.4°C | 23.8°C | 2.0°C | 25 mm | 65% | 3 m/s | 3 |
| 2005 | 18.2°C | 11.8°C | 5.4°C | 23.0°C | 1.0°C | 16 mm | 67% | 2.5 m/s | 3.2 |
| 2004 | 17.1°C | 11.0°C | 4.9°C | 21.9°C | 1.2°C | 9 mm | 67% | 2.5 m/s | 3.1 |
| 2003 | 19.1°C | 12.2°C | 5.3°C | 23.9°C | 1.6°C | 2 mm | 57% | 3 m/s | 3.5 |
| 2002 | 20.1°C | 12.8°C | 5.4°C | 26.4°C | 0.8°C | 5 mm | 53% | 3.3 m/s | 3.2 |
| 2001 | 17.5°C | 11.5°C | 5.5°C | 22.6°C | 2.8°C | 11 mm | 69% | 2.2 m/s | 3.2 |
| 2000 | 18.5°C | 12.2°C | 5.9°C | 23.6°C | 3.4°C | 4 mm | 59% | 3 m/s | 3.3 |
| 1999 | 18.9°C | 12.2°C | 5.5°C | 23.2°C | 1.9°C | 3 mm | 60% | 2.7 m/s | 3.3 |
| 1998 | 15.5°C | 10.2°C | 4.9°C | 22.8°C | 0.3°C | 25 mm | 70% | 3 m/s | 2.8 |
| 1997 | 17.2°C | 10.3°C | 3.4°C | 21.2°C | 0.5°C | 1 mm | 57% | 2.4 m/s | 3.4 |
| 1996 | 17.6°C | 12.0°C | 6.4°C | 24.5°C | 2.9°C | 38 mm | 70% | 3.5 m/s | 3 |
| 1995 | 16.8°C | 11.2°C | 5.6°C | 20.4°C | -0.4°C | 18 mm | 68% | 3.5 m/s | 3.1 |
| 1994 | 18.3°C | 11.5°C | 4.7°C | 22.9°C | 1.4°C | 4 mm | 60% | 2.3 m/s | 3.7 |
| 1993 | 17.7°C | 11.7°C | 5.8°C | 25.3°C | 3.0°C | 13 mm | 65% | 3 m/s | 3.1 |
| 1992 | 19.0°C | 12.1°C | 5.1°C | 24.9°C | 2.5°C | 1 mm | 59% | 2.7 m/s | 3.7 |
| 1991 | 18.1°C | 12.1°C | 6.1°C | 24.2°C | 2.3°C | 12 mm | 66% | 2.8 m/s | 3.2 |
| 1990 | 17.5°C | 11.8°C | 6.1°C | 23.1°C | 2.3°C | 12 mm | 64% | 3.1 m/s | 3.3 |
| 1989 ❄️ | 15.4°C | 9.9°C | 4.5°C | 19.6°C | 1.6°C | 22 mm | 75% | 3 m/s | 3.2 |
| 1988 | 18.2°C | 12.0°C | 5.8°C | 22.2°C | 2.5°C | 9 mm | 68% | 3 m/s | 3.3 |
| 1987 | 17.7°C | 11.4°C | 5.1°C | 22.1°C | 1.6°C | 10 mm | 62% | 3 m/s | 3.3 |
| 1986 | 15.8°C | 10.3°C | 4.9°C | 20.6°C | 0.5°C | 38 mm | 68% | 3.1 m/s | 3.1 |
| 1985 | 17.8°C | 11.4°C | 5.0°C | 25.9°C | 1.6°C | 5 mm | 61% | 2.8 m/s | 3.2 |
| 1984 | 15.8°C | 10.3°C | 4.7°C | 19.3°C | 1.8°C | 8 mm | 70% | 2.8 m/s | 2.2 |
| 1983 | 16.5°C | 10.5°C | 4.5°C | 21.8°C | 0.9°C | 9 mm | 62% | 3.2 m/s | — |
| 1982 | 17.4°C | 10.7°C | 4.0°C | 20.1°C | 1.0°C | 1 mm | 56% | 2.6 m/s | — |
| 1981 | 17.5°C | 11.0°C | 4.4°C | 22.3°C | 1.6°C | 26 mm | 65% | 3.2 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 17.8°C with lows near 5.3°C (mean 11.6°C), based on 45 years of NASA POWER data.
July averages 13 mm of rainfall in Woomera, about average for rainfall. The wettest on record was 41 mm in 2021.
The hottest July reached 28.3°C in 2017. The coldest dipped to -0.7°C in 2015.
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 17°C to 17.8°C and overnight lows from 4.5°C to 5.5°C over the same span.
July is one of the cooler months of the year in Woomera and about average for rainfall, so plan for around 17.8°C daytime highs and 5.3°C at night.
Yes — July is the coldest month of the year in Woomera, averaging 11.6°C.
For July in Woomera, pack warm layers and a jacket for chilly mornings, with typical highs of 17.8°C and lows of 5.3°C.
Relative humidity in July averages 64% — moderately humid.
Average wind speed in July is 2.9 m/s. The windiest July on record averaged 3.6 m/s (2021).
The wettest July on record was 2021 with 41 mm. On average, July sees 13 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 Woomera 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.
