July is one of the warmer months of the year in Exmouth, with average highs near 18.5°C and lows around 14.1°C (mean 16.3°C). It is one of the drier months, averaging 56 mm of rainfall and 84% relative humidity across the period.
July is one of the warmer months of the year in Exmouth. Across 45 years of records, the warmest July in Exmouth was 2018 — when the month averaged 18.3°C — while the coldest was 1988 at 14.5°C. Typical July days reach 18.5°C with nights near 14.1°C. The long-term trend is warming, about 0.2°C per decade.
July is one of the drier months in Exmouth, averaging 56 mm of rainfall. The wettest July on record was 2009 with 124 mm, while the driest was 2022 at 10 mm.
Relative humidity in Exmouth during July averages 84%. The most humid July was 1991 at 88%, and the least humid was 1990 at 79%.
July receives about 5.5 kWh/m²/day of solar energy in Exmouth. The sunniest July was 2013 at 6.4 kWh/m²/day, and the cloudiest were 1986 and 1988 at 4.6.
Average wind speed in Exmouth during July is 3.9 m/s. The windiest Julys were 1988 and 2009 at 5.3 m/s, while the calmest was 1983 at 2.7 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.1°C | 16.1°C | 16.0°C | 16.5°C | 16.9°C | +0.8°C |
| Avg High | 18.4°C | 18.3°C | 18.0°C | 18.7°C | 19.1°C | +0.7°C |
| Avg Low | 13.8°C | 13.9°C | 14.0°C | 14.4°C | 14.7°C | +0.9°C |
| Avg Rain | 45 mm | 43 mm | 77 mm | 54 mm | 63 mm | +18 mm |
July temperatures in Exmouth have risen by about 0.8°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 9.8°C (1996) to a record high of 25.6°C (1989).
Rainfall in July is one of the drier months, averaging 56 mm, with a wettest year of 124 mm.
One of the best times to visit Exmouth
July is one of the best times to visit Exmouth. Expect days averaging 18.5°C and nights around 14.1°C (mean 16.3°C) — warmer than Exmouth's yearly average — with moderate rainfall (56 mm), so conditions are generally comfortable for sightseeing and outdoor plans.
| Year | Avg High | Avg Temp | Avg Low | Hottest Day | Coldest Day | Rainfall | Humidity | Wind | Solar |
|---|---|---|---|---|---|---|---|---|---|
| 2025 | 20.3°C | 17.9°C | 15.5°C | 23.0°C | 13.5°C | 40 mm | 82% | 3.6 m/s | 5.9 |
| 2024 | 18.5°C | 16.5°C | 14.5°C | 24.1°C | 12.4°C | 100 mm | 85% | 3.8 m/s | 5.3 |
| 2023 | 18.1°C | 16.3°C | 14.4°C | 19.7°C | 12.8°C | 95 mm | 86% | 4.9 m/s | 5 |
| 2022 | 20.4°C | 17.7°C | 15.0°C | 24.6°C | 12.2°C | 10 mm | 81% | 3.4 m/s | 5.9 |
| 2021 | 19.2°C | 17.1°C | 15.0°C | 25.3°C | 12.7°C | 100 mm | 85% | 3.5 m/s | 5.7 |
| 2020 | 18.2°C | 15.9°C | 13.6°C | 21.9°C | 11.4°C | 36 mm | 83% | 4.4 m/s | 5.7 |
| 2019 | 19.2°C | 17.1°C | 14.9°C | 21.0°C | 12.4°C | 36 mm | 84% | 3.3 m/s | 6.2 |
| 2018 🔥 | 20.9°C | 18.3°C | 15.6°C | 24.7°C | 14.5°C | 40 mm | 80% | 2.9 m/s | 6 |
| 2017 | 18.5°C | 16.5°C | 14.6°C | 21.6°C | 13.2°C | 85 mm | 85% | 4.3 m/s | 5.5 |
| 2016 | 18.2°C | 16.0°C | 13.9°C | 21.6°C | 11.7°C | 22 mm | 86% | 3.9 m/s | 5.6 |
| 2015 | 17.9°C | 15.8°C | 13.8°C | 20.1°C | 11.3°C | 83 mm | 84% | 4.6 m/s | 5.4 |
| 2014 | 19.6°C | 17.3°C | 14.9°C | 23.5°C | 13.0°C | 33 mm | 83% | 3.6 m/s | 6.3 |
| 2013 | 20.0°C | 17.3°C | 14.7°C | 24.6°C | 11.9°C | 31 mm | 82% | 3.3 m/s | 6.4 |
| 2012 | 17.0°C | 15.1°C | 13.2°C | 23.0°C | 11.5°C | 115 mm | 86% | 4.3 m/s | 5.1 |
| 2011 | 17.7°C | 15.6°C | 13.4°C | 20.5°C | 11.1°C | 44 mm | 82% | 3.7 m/s | 5.3 |
| 2010 | 18.3°C | 16.4°C | 14.5°C | 21.1°C | 13.0°C | 54 mm | 85% | 4 m/s | 5.5 |
| 2009 🌧️ | 17.3°C | 15.7°C | 14.1°C | 19.6°C | 12.9°C | 124 mm | 87% | 5.3 m/s | 5.2 |
| 2008 | 17.5°C | 15.7°C | 13.9°C | 20.2°C | 11.7°C | 98 mm | 86% | 4.8 m/s | 5.4 |
| 2007 | 17.2°C | 15.4°C | 13.5°C | 18.7°C | 11.7°C | 104 mm | 86% | 5 m/s | 5.3 |
| 2006 | 20.1°C | 17.8°C | 15.4°C | 23.0°C | 12.8°C | 35 mm | 83% | 3.2 m/s | 6.1 |
| 2005 | 18.7°C | 16.6°C | 14.4°C | 23.8°C | 11.6°C | 80 mm | 85% | 3.7 m/s | 5.4 |
| 2004 | 17.5°C | 15.3°C | 13.2°C | 21.1°C | 10.9°C | 50 mm | 85% | 3.7 m/s | 5.2 |
| 2003 | 18.3°C | 16.3°C | 14.4°C | 20.7°C | 12.8°C | 73 mm | 87% | 3.9 m/s | 5 |
| 2002 | 17.4°C | 15.3°C | 13.2°C | 20.9°C | 11.3°C | 69 mm | 87% | 3.9 m/s | 5.3 |
| 2001 | 18.2°C | 16.1°C | 14.0°C | 22.5°C | 11.3°C | 77 mm | 85% | 3.6 m/s | 5.3 |
| 2000 | 17.5°C | 15.5°C | 13.5°C | 20.7°C | 11.8°C | 54 mm | 86% | 3.6 m/s | 5.5 |
| 1999 | 19.1°C | 16.7°C | 14.4°C | 22.2°C | 12.0°C | 18 mm | 84% | 3.5 m/s | 5.9 |
| 1998 | 17.4°C | 15.4°C | 13.4°C | 18.6°C | 11.8°C | 56 mm | 86% | 4.7 m/s | 4.8 |
| 1997 | 18.5°C | 16.2°C | 13.9°C | 21.2°C | 10.7°C | 26 mm | 83% | 3.1 m/s | 5.7 |
| 1996 | 18.0°C | 15.5°C | 13.1°C | 21.3°C | 9.8°C | 36 mm | 85% | 3.8 m/s | 5.8 |
| 1995 | 19.5°C | 17.1°C | 14.8°C | 24.1°C | 11.4°C | 22 mm | 83% | 3.4 m/s | 5.5 |
| 1994 | 18.6°C | 16.3°C | 14.1°C | 21.7°C | 12.3°C | 32 mm | 86% | 3.3 m/s | 5.8 |
| 1993 | 17.4°C | 15.3°C | 13.2°C | 19.9°C | 10.9°C | 71 mm | 85% | 4.5 m/s | 4.9 |
| 1992 | 18.7°C | 16.5°C | 14.3°C | 22.7°C | 12.4°C | 63 mm | 83% | 3.8 m/s | 4.8 |
| 1991 | 17.5°C | 15.6°C | 13.7°C | 20.8°C | 11.7°C | 72 mm | 88% | 4.2 m/s | 5 |
| 1990 | 18.7°C | 16.3°C | 13.9°C | 23.7°C | 10.7°C | 32 mm | 79% | 4.5 m/s | 5.9 |
| 1989 | 20.6°C | 17.8°C | 15.0°C | 25.6°C | 12.4°C | 54 mm | 81% | 3.5 m/s | 5.9 |
| 1988 ❄️ | 16.4°C | 14.5°C | 12.7°C | 18.1°C | 11.5°C | 86 mm | 86% | 5.3 m/s | 4.6 |
| 1987 | 18.2°C | 15.9°C | 13.6°C | 23.3°C | 11.1°C | 43 mm | 82% | 3.6 m/s | 4.7 |
| 1986 | 17.6°C | 15.3°C | 13.1°C | 21.4°C | 11.1°C | 38 mm | 85% | 3.5 m/s | 4.6 |
| 1985 | 17.8°C | 15.5°C | 13.2°C | 20.5°C | 11.3°C | 44 mm | 84% | 3.9 m/s | 5.1 |
| 1984 | 18.8°C | 16.3°C | 13.7°C | 22.6°C | 10.5°C | 22 mm | 80% | 3.3 m/s | 5.5 |
| 1983 | 20.5°C | 17.9°C | 15.3°C | 25.1°C | 11.7°C | 17 mm | 85% | 2.7 m/s | — |
| 1982 | 18.5°C | 16.3°C | 14.1°C | 20.8°C | 11.7°C | 68 mm | 84% | 3.4 m/s | — |
| 1981 | 17.5°C | 15.5°C | 13.4°C | 21.2°C | 11.2°C | 37 mm | 86% | 4.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 18.5°C with lows near 14.1°C (mean 16.3°C), based on 45 years of NASA POWER data.
July averages 56 mm of rainfall in Exmouth, one of the drier months. The wettest on record was 124 mm in 2009.
The hottest July reached 25.6°C in 1989. The coldest dipped to 9.8°C in 1996.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have risen by about 0.8°C. Daytime highs moved from 18.6°C to 19.3°C and overnight lows from 13.9°C to 14.9°C over the same span.
July is one of the warmer months of the year in Exmouth and one of the drier months, so plan for around 18.5°C daytime highs and 14.1°C at night.
Not quite — July is the 11th coolest month in Exmouth, averaging 16.3°C.
For July in Exmouth, pack light layers you can adjust through the day, with typical highs of 18.5°C and lows of 14.1°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 84% — quite humid.
Average wind speed in July is 3.9 m/s. The windiest July on record averaged 5.3 m/s (1988).
The wettest July on record was 2009 with 124 mm. On average, July sees 56 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 Exmouth 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.
