July is one of the cooler months of the year in Swan Hill, with average highs near 14.5°C and lows around 4.4°C (mean 9.5°C). It is about average for rainfall, averaging 32 mm of rainfall and 79% relative humidity across the period.
July is one of the cooler months of the year in Swan Hill. Across 45 years of records, the warmest July in Swan Hill was 2019 — when the month averaged 10.8°C — while the coldest was 1982 at 7.9°C. Typical July days reach 14.5°C with nights near 4.4°C. The long-term trend is warming, about 0.3°C per decade.
July is about average for rainfall in Swan Hill, averaging 32 mm of rainfall. The wettest July on record was 1981 with 69 mm, while the driest was 1982 at 3 mm.
Relative humidity in Swan Hill during July averages 79%. The most humid July was 1989 at 87%, and the least humid was 2002 at 67%.
July receives about 2.5 kWh/m²/day of solar energy in Swan Hill. The sunniest Julys were 2017, 2020 and 2022, among others at 2.8 kWh/m²/day, and the cloudiest was 1984 at 1.9.
Average wind speed in Swan Hill during July is 2.6 m/s. The windiest Julys were 1981 and 2016 at 3.1 m/s, while the calmest were 1982, 2001 and 2010 at 2 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 8.7°C | 9.2°C | 9.6°C | 9.8°C | 9.9°C | +1.2°C |
| Avg High | 13.6°C | 14.1°C | 14.8°C | 14.8°C | 15.2°C | +1.6°C |
| Avg Low | 3.8°C | 4.2°C | 4.6°C | 4.8°C | 4.7°C | +0.9°C |
| Avg Rain | 41 mm | 39 mm | 32 mm | 25 mm | 17 mm | -24 mm |
July temperatures in Swan Hill have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of -2.7°C (1985) to a record high of 24°C (2017).
Rainfall in July is about average for rainfall, averaging 32 mm, with a wettest year of 69 mm.
A quieter season to visit Swan Hill
If your dates are flexible, the more temperate months of March and December tend to be the most comfortable for visiting Swan Hill. That said, July — with days averaging 14.5°C and nights around 4.4°C (mean 9.5°C) and moderate rainfall (32 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 | 15.0°C | 9.9°C | 4.8°C | 18.6°C | 2.4°C | 29 mm | 75% | 2.9 m/s | 2.6 |
| 2024 | 15.1°C | 9.9°C | 4.7°C | 18.9°C | 0.7°C | 19 mm | 78% | 2.8 m/s | 2.6 |
| 2023 | 16.0°C | 10.6°C | 5.2°C | 20.9°C | 1.6°C | 8 mm | 78% | 2.5 m/s | 2.6 |
| 2022 | 15.0°C | 9.8°C | 4.6°C | 19.4°C | 0.4°C | 10 mm | 78% | 2.8 m/s | 2.8 |
| 2021 | 14.6°C | 9.5°C | 4.5°C | 22.8°C | -0.1°C | 21 mm | 76% | 3 m/s | 2.4 |
| 2020 | 15.3°C | 9.9°C | 4.5°C | 19.9°C | 0.6°C | 12 mm | 80% | 2.3 m/s | 2.8 |
| 2019 🔥 | 15.8°C | 10.8°C | 5.7°C | 19.8°C | 1.3°C | 19 mm | 77% | 2.8 m/s | 2.5 |
| 2018 | 15.8°C | 10.0°C | 4.3°C | 20.6°C | 0.3°C | 9 mm | 71% | 3 m/s | 2.7 |
| 2017 | 15.7°C | 10.1°C | 4.6°C | 24.0°C | -1.4°C | 12 mm | 71% | 2.8 m/s | 2.8 |
| 2016 | 15.3°C | 10.5°C | 5.7°C | 21.1°C | 1.8°C | 25 mm | 78% | 3.1 m/s | 2.3 |
| 2015 | 13.6°C | 8.5°C | 3.5°C | 18.2°C | -1.0°C | 14 mm | 76% | 2.8 m/s | 2.4 |
| 2014 | 14.1°C | 9.4°C | 4.7°C | 19.3°C | 0.7°C | 25 mm | 82% | 2.8 m/s | 2.6 |
| 2013 | 15.1°C | 10.3°C | 5.5°C | 19.6°C | 1.1°C | 34 mm | 82% | 2.6 m/s | 2.4 |
| 2012 | 14.6°C | 9.7°C | 4.8°C | 19.2°C | 0.0°C | 41 mm | 82% | 2.6 m/s | 2.5 |
| 2011 | 14.4°C | 9.6°C | 4.8°C | 20.6°C | 0.9°C | 32 mm | 80% | 3 m/s | 2.5 |
| 2010 | 13.8°C | 8.9°C | 4.1°C | 16.4°C | 0.6°C | 37 mm | 84% | 2 m/s | 2.5 |
| 2009 | 14.8°C | 9.7°C | 4.7°C | 19.2°C | 0.8°C | 29 mm | 79% | 2.9 m/s | 2.6 |
| 2008 | 14.2°C | 9.1°C | 4.1°C | 17.6°C | 0.9°C | 34 mm | 77% | 2.8 m/s | 2.4 |
| 2007 | 14.0°C | 9.1°C | 4.3°C | 20.9°C | -0.3°C | 32 mm | 81% | 2.7 m/s | 2.6 |
| 2006 | 14.8°C | 9.7°C | 4.7°C | 18.0°C | 0.8°C | 48 mm | 78% | 2.5 m/s | 2.5 |
| 2005 | 15.2°C | 10.1°C | 4.9°C | 19.5°C | -0.2°C | 24 mm | 80% | 2.3 m/s | 2.4 |
| 2004 | 13.9°C | 9.2°C | 4.5°C | 17.6°C | 1.1°C | 21 mm | 78% | 2.6 m/s | 2.4 |
| 2003 | 14.9°C | 9.5°C | 4.1°C | 19.4°C | 0.4°C | 56 mm | 78% | 2.7 m/s | 2.6 |
| 2002 | 16.5°C | 10.3°C | 4.0°C | 22.0°C | 0.0°C | 10 mm | 67% | 2.8 m/s | 2.7 |
| 2001 | 15.0°C | 10.2°C | 5.4°C | 20.0°C | 1.2°C | 34 mm | 80% | 2 m/s | 2.4 |
| 2000 | 14.4°C | 9.6°C | 4.8°C | 19.2°C | 2.0°C | 28 mm | 78% | 2.6 m/s | 2.6 |
| 1999 | 15.6°C | 10.3°C | 5.0°C | 19.5°C | 0.9°C | 20 mm | 77% | 2.5 m/s | 2.5 |
| 1998 | 13.3°C | 8.6°C | 3.8°C | 17.0°C | -1.6°C | 53 mm | 79% | 2.5 m/s | 2.3 |
| 1997 | 14.2°C | 8.5°C | 2.9°C | 17.9°C | -0.6°C | 9 mm | 76% | 2.2 m/s | 2.7 |
| 1996 | 13.0°C | 8.8°C | 4.6°C | 18.7°C | -0.8°C | 66 mm | 85% | 2.7 m/s | 2.2 |
| 1995 | 12.2°C | 8.2°C | 4.1°C | 16.0°C | -0.2°C | 68 mm | 86% | 2.9 m/s | 2.3 |
| 1994 | 15.6°C | 9.5°C | 3.4°C | 20.6°C | -1.2°C | 12 mm | 73% | 2.3 m/s | 2.8 |
| 1993 | 15.0°C | 9.9°C | 4.8°C | 18.9°C | 0.4°C | 49 mm | 77% | 2.4 m/s | 2.5 |
| 1992 | 14.6°C | 9.3°C | 3.9°C | 18.7°C | -1.4°C | 18 mm | 78% | 2.7 m/s | 2.7 |
| 1991 | 13.9°C | 9.1°C | 4.2°C | 17.6°C | 1.7°C | 36 mm | 83% | 2.5 m/s | 2.5 |
| 1990 | 14.0°C | 9.6°C | 5.1°C | 19.6°C | 2.6°C | 58 mm | 82% | 2.8 m/s | 2.5 |
| 1989 | 12.3°C | 8.1°C | 3.9°C | 17.5°C | 0.8°C | 32 mm | 87% | 2.7 m/s | 2.5 |
| 1988 | 14.8°C | 10.2°C | 5.7°C | 18.7°C | 2.5°C | 44 mm | 84% | 2.7 m/s | 2.4 |
| 1987 | 14.3°C | 9.1°C | 4.0°C | 18.1°C | 1.4°C | 35 mm | 79% | 2.4 m/s | 2.6 |
| 1986 | 12.7°C | 8.3°C | 3.9°C | 17.0°C | -1.9°C | 66 mm | 84% | 2.7 m/s | 2.4 |
| 1985 | 14.7°C | 9.1°C | 3.5°C | 23.3°C | -2.7°C | 8 mm | 75% | 2.7 m/s | 2.8 |
| 1984 | 13.2°C | 8.5°C | 3.9°C | 18.0°C | -0.1°C | 49 mm | 80% | 2.6 m/s | 1.9 |
| 1983 | 13.2°C | 8.2°C | 3.3°C | 17.0°C | -2.2°C | 58 mm | 83% | 2.5 m/s | — |
| 1982 ❄️ | 14.0°C | 7.9°C | 1.9°C | 17.3°C | -2.2°C | 3 mm | 74% | 2 m/s | — |
| 1981 🌧️ | 13.5°C | 8.8°C | 4.1°C | 17.1°C | 0.8°C | 69 mm | 83% | 3.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 14.5°C with lows near 4.4°C (mean 9.5°C), based on 45 years of NASA POWER data.
July averages 32 mm of rainfall in Swan Hill, about average for rainfall. The wettest on record was 69 mm in 1981.
The hottest July reached 24°C in 2017. The coldest dipped to -2.7°C in 1985.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 1.4°C. Daytime highs moved from 13.7°C to 15.1°C and overnight lows from 3.3°C to 4.8°C over the same span.
July is one of the cooler months of the year in Swan Hill and about average for rainfall, so plan for around 14.5°C daytime highs and 4.4°C at night.
Yes — July is the coldest month of the year in Swan Hill, averaging 9.5°C.
For July in Swan Hill, pack warm layers and a jacket for chilly mornings, with typical highs of 14.5°C and lows of 4.4°C.
Relative humidity in July averages 79% — quite humid.
Average wind speed in July is 2.6 m/s. The windiest July on record averaged 3.1 m/s (1981).
The wettest July on record was 1981 with 69 mm. On average, July sees 32 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 Swan Hill 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.
