July is one of the cooler months of the year in Port Pirie, with average highs near 15.2°C and lows around 5.5°C (mean 10.4°C). It is a relatively wet time of year, averaging 38 mm of rainfall and 74% relative humidity across the period.
July is one of the cooler months of the year in Port Pirie. Across 45 years of records, the warmest July in Port Pirie was 2019 — when the month averaged 11.8°C — while the coldest was 1989 at 8.7°C. Typical July days reach 15.2°C with nights near 5.5°C. The long-term trend is warming, about 0.3°C per decade.
July is a relatively wet time of year in Port Pirie, averaging 38 mm of rainfall. The wettest July on record was 1996 with 80 mm, while the driest was 2022 at 5 mm.
Relative humidity in Port Pirie during July averages 74%. The most humid July was 1989 at 83%, and the least humid was 2018 at 65%.
July receives about 2.7 kWh/m²/day of solar energy in Port Pirie. The sunniest July was 1994 at 3.2 kWh/m²/day, and the cloudiest was 1984 at 1.8.
Average wind speed in Port Pirie during July is 3.1 m/s. The windiest July was 1995 at 3.7 m/s, while the calmest was 2001 at 2.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 9.7°C | 10.3°C | 10.6°C | 10.6°C | 10.7°C | +1°C |
| Avg High | 14.3°C | 15.0°C | 15.5°C | 15.4°C | 15.8°C | +1.5°C |
| Avg Low | 5.0°C | 5.5°C | 5.7°C | 5.8°C | 5.6°C | +0.6°C |
| Avg Rain | 48 mm | 45 mm | 36 mm | 34 mm | 22 mm | -26 mm |
July temperatures in Port Pirie have risen by about 1.1°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -0.1°C (1995) to a record high of 25°C (2017).
Rainfall in July is a relatively wet time of year, averaging 38 mm, with a wettest year of 80 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0.4°C per decade while lows rose 0.2°C per decade, widening the gap between day and night.
A quieter season to visit Port Pirie
If your dates are flexible, the more temperate months of March and December tend to be the most comfortable for visiting Port Pirie. That said, July — with days averaging 15.2°C and nights around 5.5°C (mean 10.4°C) and moderate rainfall (38 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 | 15.2°C | 10.6°C | 6.1°C | 19.6°C | 2.4°C | 40 mm | 71% | 3.6 m/s | 2.6 |
| 2024 | 15.6°C | 10.8°C | 6.1°C | 20.5°C | 1.4°C | 25 mm | 71% | 3.4 m/s | 2.9 |
| 2023 | 16.5°C | 11.3°C | 6.0°C | 21.9°C | 1.8°C | 9 mm | 72% | 3 m/s | 2.8 |
| 2022 | 15.5°C | 10.1°C | 4.7°C | 22.8°C | 1.1°C | 5 mm | 72% | 2.9 m/s | 2.7 |
| 2021 | 15.6°C | 10.6°C | 5.7°C | 22.4°C | 2.5°C | 44 mm | 73% | 3.6 m/s | 2.7 |
| 2020 | 16.3°C | 10.6°C | 4.9°C | 20.9°C | 0.9°C | 8 mm | 71% | 2.4 m/s | 3.1 |
| 2019 🔥 | 16.9°C | 11.8°C | 6.6°C | 21.4°C | 2.1°C | 19 mm | 72% | 2.9 m/s | 2.8 |
| 2018 | 16.4°C | 11.1°C | 5.8°C | 21.2°C | 2.5°C | 22 mm | 65% | 3.4 m/s | 2.9 |
| 2017 | 16.7°C | 11.3°C | 5.9°C | 25.0°C | 1.8°C | 29 mm | 67% | 3.5 m/s | 2.8 |
| 2016 | 15.2°C | 10.7°C | 6.1°C | 22.9°C | 1.5°C | 44 mm | 75% | 3.3 m/s | 2.6 |
| 2015 | 14.1°C | 9.6°C | 5.0°C | 18.5°C | 0.7°C | 14 mm | 77% | 3.1 m/s | 2.7 |
| 2014 | 14.8°C | 10.2°C | 5.6°C | 18.9°C | 1.2°C | 34 mm | 77% | 3.4 m/s | 2.6 |
| 2013 | 15.3°C | 10.8°C | 6.4°C | 21.4°C | 2.9°C | 60 mm | 80% | 3.2 m/s | 2.7 |
| 2012 | 14.7°C | 9.9°C | 5.1°C | 18.2°C | 1.8°C | 47 mm | 77% | 2.5 m/s | 2.7 |
| 2011 | 15.3°C | 10.7°C | 6.1°C | 20.9°C | 1.8°C | 43 mm | 75% | 2.8 m/s | 2.7 |
| 2010 | 15.0°C | 10.0°C | 4.9°C | 18.3°C | 1.8°C | 28 mm | 76% | 2.7 m/s | 2.7 |
| 2009 | 15.4°C | 11.1°C | 6.7°C | 20.5°C | 2.7°C | 46 mm | 75% | 3.4 m/s | 2.7 |
| 2008 | 14.8°C | 10.0°C | 5.3°C | 20.2°C | 1.5°C | 42 mm | 73% | 3.5 m/s | 2.7 |
| 2007 | 15.7°C | 10.6°C | 5.6°C | 22.3°C | 0.8°C | 30 mm | 73% | 3.1 m/s | 2.8 |
| 2006 | 15.0°C | 10.0°C | 5.0°C | 19.9°C | 2.2°C | 40 mm | 74% | 3.2 m/s | 2.5 |
| 2005 | 15.6°C | 10.7°C | 5.9°C | 20.2°C | 1.6°C | 42 mm | 75% | 2.7 m/s | 2.7 |
| 2004 | 14.9°C | 10.1°C | 5.2°C | 19.8°C | 0.3°C | 31 mm | 76% | 2.8 m/s | 2.5 |
| 2003 | 16.1°C | 10.8°C | 5.5°C | 20.4°C | 0.8°C | 21 mm | 68% | 3.2 m/s | 3 |
| 2002 | 16.5°C | 11.1°C | 5.7°C | 23.6°C | 1.6°C | 32 mm | 67% | 3.5 m/s | 2.7 |
| 2001 | 15.2°C | 10.4°C | 5.6°C | 20.7°C | 2.7°C | 41 mm | 78% | 2.3 m/s | 2.5 |
| 2000 | 15.5°C | 10.9°C | 6.3°C | 21.5°C | 3.8°C | 38 mm | 70% | 3.3 m/s | 2.7 |
| 1999 | 16.4°C | 11.1°C | 5.8°C | 21.0°C | 1.2°C | 24 mm | 71% | 2.9 m/s | 2.7 |
| 1998 | 14.0°C | 9.4°C | 4.7°C | 18.4°C | 1.6°C | 47 mm | 76% | 3 m/s | 2.4 |
| 1997 | 14.9°C | 9.2°C | 3.5°C | 17.7°C | 1.0°C | 9 mm | 69% | 2.5 m/s | 2.8 |
| 1996 🌧️ | 14.7°C | 10.5°C | 6.2°C | 21.3°C | 3.4°C | 80 mm | 79% | 3.5 m/s | 2.5 |
| 1995 | 13.8°C | 9.6°C | 5.5°C | 16.9°C | -0.1°C | 71 mm | 79% | 3.7 m/s | 2.4 |
| 1994 | 16.3°C | 10.7°C | 5.2°C | 20.7°C | 2.3°C | 28 mm | 66% | 2.7 m/s | 3.2 |
| 1993 | 15.1°C | 10.6°C | 6.1°C | 20.9°C | 2.9°C | 62 mm | 73% | 3 m/s | 2.7 |
| 1992 | 15.9°C | 10.9°C | 5.9°C | 21.3°C | 3.2°C | 16 mm | 72% | 3 m/s | 3 |
| 1991 | 15.1°C | 10.5°C | 5.9°C | 20.7°C | 2.2°C | 47 mm | 77% | 2.9 m/s | 2.6 |
| 1990 | 14.1°C | 10.0°C | 5.9°C | 19.4°C | 2.5°C | 67 mm | 79% | 3.3 m/s | 2.6 |
| 1989 ❄️ | 12.6°C | 8.7°C | 4.7°C | 17.7°C | 1.2°C | 73 mm | 83% | 3.1 m/s | 2.7 |
| 1988 | 15.5°C | 10.9°C | 6.2°C | 19.1°C | 3.9°C | 30 mm | 76% | 3.3 m/s | 2.7 |
| 1987 | 14.9°C | 10.2°C | 5.4°C | 19.2°C | 1.7°C | 41 mm | 73% | 3.2 m/s | 2.8 |
| 1986 | 13.5°C | 9.3°C | 5.1°C | 17.8°C | 1.1°C | 72 mm | 77% | 3.2 m/s | 2.7 |
| 1985 | 15.6°C | 10.4°C | 5.2°C | 23.1°C | 1.1°C | 21 mm | 67% | 3.1 m/s | 2.9 |
| 1984 | 13.5°C | 9.2°C | 4.8°C | 16.8°C | 1.5°C | 61 mm | 78% | 3 m/s | 1.8 |
| 1983 | 13.8°C | 9.3°C | 4.8°C | 17.9°C | 0.9°C | 65 mm | 75% | 3.2 m/s | — |
| 1982 | 14.8°C | 9.1°C | 3.4°C | 18.7°C | 0.1°C | 7 mm | 68% | 2.6 m/s | — |
| 1981 | 14.5°C | 9.9°C | 5.2°C | 19.7°C | 1.7°C | 64 mm | 75% | 3.5 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 15.2°C with lows near 5.5°C (mean 10.4°C), based on 45 years of NASA POWER data.
July averages 38 mm of rainfall in Port Pirie, a relatively wet time of year. The wettest on record was 80 mm in 1996.
The hottest July reached 25°C in 2017. The coldest dipped to -0.1°C in 1995.
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 14.4°C to 15.7°C and overnight lows from 4.7°C to 5.7°C over the same span.
July is one of the cooler months of the year in Port Pirie and a relatively wet time of year, so plan for around 15.2°C daytime highs and 5.5°C at night.
Yes — July is the coldest month of the year in Port Pirie, averaging 10.4°C.
For July in Port Pirie, pack warm layers and a jacket for chilly mornings, with typical highs of 15.2°C and lows of 5.5°C.
Relative humidity in July averages 74% — moderately humid.
Average wind speed in July is 3.1 m/s. The windiest July on record averaged 3.7 m/s (1995).
The wettest July on record was 1996 with 80 mm. On average, July sees 38 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 Port Pirie 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.
