July is one of the cooler months of the year in Ceduna, with average highs near 17.5°C and lows around 7.3°C (mean 12.4°C). It is a relatively wet time of year, averaging 37 mm of rainfall and 69% relative humidity across the period.
July is one of the cooler months of the year in Ceduna. Across 45 years of records, the warmest July in Ceduna was 2002 — when the month averaged 13.6°C — while the coldest was 1997 at 11.1°C. Typical July days reach 17.5°C with nights near 7.3°C. The long-term trend is warming, about 0.2°C per decade.
July is a relatively wet time of year in Ceduna, averaging 37 mm of rainfall. The wettest July on record was 1989 with 101 mm, while the driest was 2019 at 5 mm.
Relative humidity in Ceduna during July averages 69%. The most humid July was 1989 at 77%, and the least humid was 1994 at 60%.
July receives about 2.9 kWh/m²/day of solar energy in Ceduna. The sunniest Julys were 1994 and 2023 at 3.3 kWh/m²/day, and the cloudiest was 1984 at 2.3.
Average wind speed in Ceduna during July is 3.4 m/s. The windiest July was 1995 at 4.2 m/s, while the calmest was 2001 at 2.5 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 11.9°C | 12.5°C | 12.7°C | 12.6°C | 12.6°C | +0.7°C |
| Avg High | 16.7°C | 17.6°C | 17.9°C | 17.8°C | 17.8°C | +1.1°C |
| Avg Low | 7.0°C | 7.4°C | 7.5°C | 7.4°C | 7.3°C | +0.3°C |
| Avg Rain | 54 mm | 40 mm | 37 mm | 28 mm | 23 mm | -31 mm |
July temperatures in Ceduna have risen by about 0.7°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 0.9°C (1997) to a record high of 27.7°C (2017).
Rainfall in July is a relatively wet time of year, averaging 37 mm, with a wettest year of 101 mm.
A quieter season to visit Ceduna
If your dates are flexible, the more temperate months of March and December tend to be the most comfortable for visiting Ceduna. That said, July — with days averaging 17.5°C and nights around 7.3°C (mean 12.4°C) and moderate rainfall (37 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 | 17.1°C | 12.4°C | 7.8°C | 22.0°C | 4.1°C | 49 mm | 66% | 4.1 m/s | 2.7 |
| 2024 | 17.7°C | 12.2°C | 6.8°C | 22.9°C | 1.8°C | 27 mm | 65% | 3.4 m/s | 3.1 |
| 2023 | 18.8°C | 13.1°C | 7.4°C | 25.2°C | 3.0°C | 7 mm | 67% | 3.1 m/s | 3.3 |
| 2022 | 17.3°C | 12.1°C | 6.9°C | 22.5°C | 3.0°C | 16 mm | 67% | 3 m/s | 2.9 |
| 2021 | 17.6°C | 12.9°C | 8.2°C | 25.8°C | 4.6°C | 25 mm | 67% | 4.1 m/s | 2.9 |
| 2020 | 18.2°C | 12.6°C | 7.0°C | 22.7°C | 3.5°C | 13 mm | 68% | 3 m/s | 3.2 |
| 2019 | 18.9°C | 13.4°C | 7.9°C | 25.1°C | 4.4°C | 5 mm | 69% | 3.1 m/s | 2.9 |
| 2018 | 19.3°C | 13.4°C | 7.5°C | 24.6°C | 3.6°C | 13 mm | 61% | 3.5 m/s | 3.1 |
| 2017 | 18.8°C | 13.3°C | 7.8°C | 27.7°C | 4.0°C | 13 mm | 64% | 3.7 m/s | 3 |
| 2016 | 17.7°C | 12.5°C | 7.4°C | 27.6°C | 2.1°C | 19 mm | 66% | 3.6 m/s | 2.6 |
| 2015 | 17.1°C | 12.1°C | 7.1°C | 22.1°C | 2.5°C | 9 mm | 68% | 3.3 m/s | 2.9 |
| 2014 | 16.8°C | 12.0°C | 7.2°C | 21.4°C | 4.1°C | 41 mm | 75% | 3.6 m/s | 2.8 |
| 2013 | 17.9°C | 12.9°C | 7.9°C | 21.0°C | 3.7°C | 60 mm | 73% | 3.6 m/s | 2.9 |
| 2012 | 16.6°C | 11.7°C | 6.9°C | 21.0°C | 2.6°C | 26 mm | 70% | 2.8 m/s | 3 |
| 2011 | 17.6°C | 12.9°C | 8.2°C | 24.2°C | 5.3°C | 50 mm | 73% | 3 m/s | 2.8 |
| 2010 | 16.8°C | 11.6°C | 6.5°C | 20.5°C | 3.0°C | 45 mm | 72% | 3.1 m/s | 3.1 |
| 2009 | 17.6°C | 13.1°C | 8.7°C | 22.8°C | 5.2°C | 69 mm | 74% | 3.7 m/s | 2.8 |
| 2008 | 17.5°C | 12.7°C | 7.9°C | 21.3°C | 2.5°C | 43 mm | 67% | 3.8 m/s | 2.8 |
| 2007 | 18.2°C | 12.7°C | 7.3°C | 24.8°C | 2.9°C | 17 mm | 66% | 3.4 m/s | 3 |
| 2006 | 17.0°C | 12.0°C | 7.0°C | 21.9°C | 3.7°C | 46 mm | 73% | 3.2 m/s | 2.7 |
| 2005 | 17.7°C | 12.4°C | 7.1°C | 23.9°C | 1.7°C | 28 mm | 73% | 2.9 m/s | 2.9 |
| 2004 | 17.0°C | 11.9°C | 6.8°C | 21.9°C | 3.2°C | 43 mm | 71% | 3.1 m/s | 2.8 |
| 2003 | 18.5°C | 12.9°C | 7.2°C | 22.7°C | 4.0°C | 30 mm | 66% | 3.6 m/s | 3.1 |
| 2002 🔥 | 19.4°C | 13.6°C | 7.7°C | 25.2°C | 2.8°C | 35 mm | 64% | 3.7 m/s | 3 |
| 2001 | 17.6°C | 12.4°C | 7.2°C | 23.6°C | 3.3°C | 25 mm | 74% | 2.5 m/s | 2.9 |
| 2000 | 18.8°C | 13.4°C | 8.1°C | 23.2°C | 5.7°C | 36 mm | 65% | 3.9 m/s | 3.1 |
| 1999 | 18.7°C | 13.2°C | 7.6°C | 24.8°C | 3.5°C | 11 mm | 65% | 3.2 m/s | 3 |
| 1998 | 15.5°C | 11.2°C | 6.9°C | 19.2°C | 3.7°C | 83 mm | 72% | 3.3 m/s | 2.6 |
| 1997 ❄️ | 17.1°C | 11.1°C | 5.2°C | 21.8°C | 0.9°C | 11 mm | 66% | 2.8 m/s | 3.2 |
| 1996 | 17.4°C | 13.0°C | 8.6°C | 22.6°C | 4.4°C | 64 mm | 70% | 3.8 m/s | 2.7 |
| 1995 | 17.2°C | 12.5°C | 7.9°C | 21.8°C | 3.0°C | 57 mm | 71% | 4.2 m/s | 2.8 |
| 1994 | 19.3°C | 13.2°C | 7.0°C | 24.4°C | 4.7°C | 35 mm | 60% | 3 m/s | 3.3 |
| 1993 | 17.9°C | 12.9°C | 8.0°C | 26.2°C | 4.3°C | 25 mm | 67% | 3.4 m/s | 2.9 |
| 1992 | 18.5°C | 13.0°C | 7.4°C | 23.9°C | 4.9°C | 22 mm | 66% | 3.1 m/s | 3.1 |
| 1991 | 17.8°C | 12.8°C | 7.8°C | 23.3°C | 4.6°C | 41 mm | 71% | 3.3 m/s | 3 |
| 1990 | 16.5°C | 12.0°C | 7.5°C | 22.3°C | 4.1°C | 47 mm | 72% | 3.6 m/s | 3 |
| 1989 🌧️ | 15.3°C | 11.2°C | 7.2°C | 20.0°C | 1.8°C | 101 mm | 77% | 3.8 m/s | 2.8 |
| 1988 | 17.8°C | 12.8°C | 7.8°C | 22.6°C | 3.6°C | 33 mm | 68% | 3.4 m/s | 2.9 |
| 1987 | 17.4°C | 12.5°C | 7.5°C | 22.3°C | 3.8°C | 38 mm | 67% | 3.5 m/s | 2.9 |
| 1986 | 15.7°C | 11.4°C | 7.1°C | 19.3°C | 2.0°C | 86 mm | 72% | 3.8 m/s | 2.8 |
| 1985 | 18.4°C | 13.1°C | 7.8°C | 25.6°C | 2.8°C | 20 mm | 63% | 3.3 m/s | 2.9 |
| 1984 | 15.5°C | 11.2°C | 6.9°C | 22.2°C | 2.3°C | 77 mm | 74% | 3.4 m/s | 2.3 |
| 1983 | 16.1°C | 11.2°C | 6.3°C | 19.3°C | 2.5°C | 72 mm | 69% | 3.6 m/s | — |
| 1982 | 16.8°C | 11.4°C | 6.0°C | 20.1°C | 1.7°C | 21 mm | 67% | 2.9 m/s | — |
| 1981 | 17.3°C | 12.0°C | 6.6°C | 23.2°C | 3.4°C | 33 mm | 67% | 3.7 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 17.5°C with lows near 7.3°C (mean 12.4°C), based on 45 years of NASA POWER data.
July averages 37 mm of rainfall in Ceduna, a relatively wet time of year. The wettest on record was 101 mm in 1989.
The hottest July reached 27.7°C in 2017. The coldest dipped to 0.9°C in 1997.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.7°C. Daytime highs moved from 16.8°C to 17.7°C and overnight lows from 6.7°C to 7.4°C over the same span.
July is one of the cooler months of the year in Ceduna and a relatively wet time of year, so plan for around 17.5°C daytime highs and 7.3°C at night.
Yes — July is the coldest month of the year in Ceduna, averaging 12.4°C.
For July in Ceduna, pack warm layers and a jacket for chilly mornings, with typical highs of 17.5°C and lows of 7.3°C.
Relative humidity in July averages 69% — moderately humid.
Average wind speed in July is 3.4 m/s. The windiest July on record averaged 4.2 m/s (1995).
The wettest July on record was 1989 with 101 mm. On average, July sees 37 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 Ceduna 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.
