July is one of the cooler months of the year in Exmouth, with average highs near 24.4°C and lows around 16.3°C (mean 20.4°C). It is about average for rainfall, averaging 20 mm of rainfall and 62% relative humidity across the period.
July is one of the cooler months of the year in Exmouth. Across 45 years of records, the warmest July in Exmouth was 1996 — when the month averaged 21.8°C — while the coldest was 1986 at 18.6°C. Typical July days reach 24.4°C with nights near 16.3°C. The long-term July temperature trend is broadly flat.
July is about average for rainfall in Exmouth, averaging 20 mm of rainfall. The wettest July on record was 2016 with 99 mm, while the driest were 1992, 2014 and 2017 at 0 mm.
Relative humidity in Exmouth during July averages 62%. The most humid July was 2016 at 73%, and the least humid was 1994 at 52%.
July receives about 4.4 kWh/m²/day of solar energy in Exmouth. The sunniest Julys were 1994, 2006 and 2017 at 4.8 kWh/m²/day, and the cloudiest was 1984 at 3.6.
Average wind speed in Exmouth during July is 4.1 m/s. The windiest July was 1997 at 4.9 m/s, while the calmest were 2020 and 2022 at 3.3 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 20.4°C | 20.5°C | 20.6°C | 20.0°C | 20.2°C | -0.2°C |
| Avg High | 24.4°C | 24.3°C | 24.6°C | 24.3°C | 24.5°C | +0.1°C |
| Avg Low | 16.4°C | 16.7°C | 16.6°C | 15.8°C | 15.8°C | -0.6°C |
| Avg Rain | 21 mm | 28 mm | 22 mm | 16 mm | 5 mm | -17 mm |
July temperatures in Exmouth have fallen by about 0.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 10.4°C (1986) to a record high of 29.5°C (2017).
Rainfall in July is about average for rainfall, averaging 20 mm, with a wettest year of 99 mm.
Daytime highs and overnight lows have shifted differently — highs rose about 0°C per decade while lows fell 0.2°C per decade, widening the gap between day and night.
One of the best times to visit Exmouth
July is one of the best times to visit Exmouth. Expect days averaging 24.4°C and nights around 16.3°C (mean 20.4°C) — cooler than Exmouth's yearly average — with low rainfall (20 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 | 23.6°C | 19.5°C | 15.4°C | 26.0°C | 10.8°C | 3 mm | 58% | 4.3 m/s | 4.6 |
| 2024 | 24.7°C | 20.6°C | 16.5°C | 27.2°C | 11.8°C | 9 mm | 62% | 3.9 m/s | 4.6 |
| 2023 | 23.8°C | 18.8°C | 13.8°C | 26.6°C | 11.7°C | 10 mm | 58% | 4 m/s | 4.7 |
| 2022 | 23.9°C | 19.6°C | 15.4°C | 26.4°C | 12.4°C | 1 mm | 63% | 3.3 m/s | 4.7 |
| 2021 | 24.6°C | 20.9°C | 17.1°C | 27.3°C | 13.8°C | 3 mm | 65% | 3.8 m/s | 4.3 |
| 2020 | 26.3°C | 21.5°C | 16.8°C | 28.9°C | 13.4°C | 2 mm | 58% | 3.3 m/s | 4.7 |
| 2019 | 25.0°C | 20.3°C | 15.6°C | 27.9°C | 12.7°C | 20 mm | 61% | 3.8 m/s | 4.4 |
| 2018 | 24.0°C | 19.7°C | 15.4°C | 25.9°C | 12.5°C | 4 mm | 65% | 3.8 m/s | 4.7 |
| 2017 | 24.9°C | 19.8°C | 14.8°C | 29.5°C | 11.7°C | 0 mm | 59% | 4.5 m/s | 4.8 |
| 2016 🌧️ | 23.4°C | 20.1°C | 16.7°C | 27.3°C | 12.2°C | 99 mm | 73% | 4.4 m/s | 3.7 |
| 2015 | 24.8°C | 20.6°C | 16.4°C | 29.3°C | 13.0°C | 17 mm | 63% | 3.8 m/s | 3.9 |
| 2014 | 23.8°C | 19.1°C | 14.4°C | 28.5°C | 11.4°C | 0 mm | 59% | 3.7 m/s | 4.7 |
| 2013 | 23.8°C | 19.5°C | 15.3°C | 25.6°C | 11.5°C | 3 mm | 66% | 4.2 m/s | 4.5 |
| 2012 | 24.4°C | 19.9°C | 15.4°C | 26.7°C | 12.2°C | 1 mm | 55% | 3.7 m/s | 4.7 |
| 2011 | 23.9°C | 20.5°C | 17.2°C | 26.4°C | 13.2°C | 15 mm | 68% | 3.6 m/s | 3.8 |
| 2010 | 24.5°C | 20.4°C | 16.4°C | 26.2°C | 13.4°C | 1 mm | 56% | 4.6 m/s | 4.1 |
| 2009 | 24.1°C | 20.2°C | 16.4°C | 27.5°C | 13.1°C | 6 mm | 62% | 4 m/s | 4.4 |
| 2008 | 23.9°C | 19.8°C | 15.8°C | 26.5°C | 11.3°C | 7 mm | 64% | 3.9 m/s | 4.5 |
| 2007 | 24.8°C | 21.3°C | 17.9°C | 27.4°C | 13.7°C | 74 mm | 66% | 4.2 m/s | 4.1 |
| 2006 | 24.0°C | 19.5°C | 15.0°C | 26.8°C | 11.8°C | 1 mm | 57% | 4 m/s | 4.8 |
| 2005 | 24.8°C | 20.4°C | 16.1°C | 27.2°C | 13.6°C | 67 mm | 63% | 3.8 m/s | 4.5 |
| 2004 | 24.4°C | 21.2°C | 18.0°C | 26.1°C | 13.7°C | 46 mm | 67% | 4.2 m/s | 3.7 |
| 2003 | 25.1°C | 20.5°C | 15.9°C | 28.2°C | 12.8°C | 1 mm | 62% | 4.3 m/s | 4.7 |
| 2002 | 25.0°C | 21.0°C | 17.1°C | 28.2°C | 11.9°C | 4 mm | 64% | 4.2 m/s | 4.5 |
| 2001 | 25.2°C | 21.3°C | 17.4°C | 27.3°C | 12.4°C | 3 mm | 61% | 4 m/s | 4.5 |
| 2000 | 24.7°C | 20.7°C | 16.7°C | 28.3°C | 13.5°C | 12 mm | 65% | 4 m/s | 4.6 |
| 1999 | 24.8°C | 20.9°C | 17.1°C | 27.1°C | 13.4°C | 12 mm | 60% | 4.1 m/s | 4.5 |
| 1998 | 23.3°C | 20.1°C | 16.9°C | 25.4°C | 11.2°C | 91 mm | 69% | 4.8 m/s | 3.8 |
| 1997 | 23.9°C | 19.8°C | 15.7°C | 28.2°C | 12.4°C | 34 mm | 58% | 4.9 m/s | 4.3 |
| 1996 🔥 | 24.8°C | 21.8°C | 18.7°C | 27.4°C | 13.8°C | 45 mm | 68% | 4.3 m/s | 4.2 |
| 1995 | 24.3°C | 20.7°C | 17.0°C | 25.9°C | 12.4°C | 28 mm | 61% | 3.9 m/s | 4.3 |
| 1994 | 25.7°C | 20.7°C | 15.7°C | 28.0°C | 13.1°C | 10 mm | 52% | 3.8 m/s | 4.8 |
| 1993 | 23.8°C | 20.0°C | 16.1°C | 25.8°C | 13.3°C | 12 mm | 59% | 4.4 m/s | 4.5 |
| 1992 | 24.7°C | 20.6°C | 16.4°C | 26.6°C | 13.8°C | 0 mm | 64% | 4 m/s | 4.4 |
| 1991 | 24.4°C | 20.8°C | 17.1°C | 26.9°C | 14.7°C | 23 mm | 62% | 4.1 m/s | 4.5 |
| 1990 | 23.1°C | 19.6°C | 16.1°C | 25.1°C | 11.8°C | 25 mm | 61% | 4.6 m/s | 4.1 |
| 1989 | 23.7°C | 20.0°C | 16.2°C | 26.4°C | 11.1°C | 2 mm | 60% | 4.1 m/s | 4.2 |
| 1988 | 25.3°C | 21.7°C | 18.1°C | 29.2°C | 14.6°C | 29 mm | 63% | 4.3 m/s | 4.6 |
| 1987 | 25.8°C | 21.7°C | 17.6°C | 27.4°C | 14.3°C | 21 mm | 59% | 3.9 m/s | 4.4 |
| 1986 ❄️ | 22.5°C | 18.6°C | 14.7°C | 24.7°C | 10.4°C | 12 mm | 62% | 4.3 m/s | 4.5 |
| 1985 | 24.7°C | 21.0°C | 17.4°C | 27.0°C | 13.2°C | 33 mm | 60% | 3.6 m/s | 4.3 |
| 1984 | 23.4°C | 20.2°C | 17.0°C | 26.0°C | 13.5°C | 68 mm | 64% | 4.4 m/s | 3.6 |
| 1983 | 24.4°C | 19.9°C | 15.5°C | 27.1°C | 11.1°C | 18 mm | 55% | 4.3 m/s | — |
| 1982 | 24.6°C | 19.8°C | 15.1°C | 27.1°C | 11.1°C | 1 mm | 57% | 4 m/s | — |
| 1981 | 24.8°C | 20.5°C | 16.1°C | 26.9°C | 13.0°C | 8 mm | 57% | 4.3 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 24.4°C with lows near 16.3°C (mean 20.4°C), based on 45 years of NASA POWER data.
July averages 20 mm of rainfall in Exmouth, about average for rainfall. The wettest on record was 99 mm in 2016.
The hottest July reached 29.5°C in 2017. The coldest dipped to 10.4°C in 1986.
Comparing the earliest years on record (1981–1985) with the most recent (2021–2025), average July temperatures have fallen by about 0.4°C. Daytime highs moved from 24.4°C to 24.1°C and overnight lows from 16.2°C to 15.6°C over the same span.
July is one of the cooler months of the year in Exmouth and about average for rainfall, so plan for around 24.4°C daytime highs and 16.3°C at night.
Yes — July is the coldest month of the year in Exmouth, averaging 20.4°C.
For July in Exmouth, pack light layers you can adjust through the day, with typical highs of 24.4°C and lows of 16.3°C.
Relative humidity in July averages 62% — moderately humid.
Average wind speed in July is 4.1 m/s. The windiest July on record averaged 4.9 m/s (1997).
The wettest July on record was 2016 with 99 mm. On average, July sees 20 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.
