July is one of the cooler months of the year in Coolum Beach, with average highs near 19.6°C and lows around 14.7°C (mean 17.2°C). It is one of the drier months, averaging 65 mm of rainfall and 71% relative humidity across the period.
July is one of the cooler months of the year in Coolum Beach. Across 45 years of records, the warmest Julys in Coolum Beach were 1993 and 2023 — when the month averaged 18.8°C — while the coldest was 1989 at 15.3°C. Typical July days reach 19.6°C with nights near 14.7°C. The long-term trend is warming, about 0.3°C per decade.
July is one of the drier months in Coolum Beach, averaging 65 mm of rainfall. The wettest July on record was 1988 with 210 mm, while the driest was 2002 at 5 mm.
Relative humidity in Coolum Beach during July averages 71%. The most humid July was 1993 at 80%, and the least humid was 2002 at 61%.
July receives about 3.5 kWh/m²/day of solar energy in Coolum Beach. The sunniest July was 2007 at 4.1 kWh/m²/day, and the cloudiest was 1984 at 2.9.
Average wind speed in Coolum Beach during July is 3.1 m/s. The windiest July was 1999 at 3.8 m/s, while the calmest was 2017 at 2.6 m/s.
Ranked against the other 11 months using 1981–2025 averages.
| Metric | 1980s | 1990s | 2000s | 2010s | 2020s | Change |
|---|---|---|---|---|---|---|
| Avg Temp | 16.3°C | 17.0°C | 17.1°C | 17.6°C | 17.6°C | +1.3°C |
| Avg High | 18.7°C | 19.4°C | 19.7°C | 20.1°C | 20.1°C | +1.4°C |
| Avg Low | 13.9°C | 14.7°C | 14.6°C | 15.1°C | 15.1°C | +1.2°C |
| Avg Rain | 114 mm | 68 mm | 47 mm | 41 mm | 56 mm | -58 mm |
July temperatures in Coolum Beach have risen by about 1.4°C between 1981–1985 and 2021–2025.
July has ranged from a record low of 8.6°C (1986) to a record high of 25.1°C (2016).
Rainfall in July is one of the drier months, averaging 65 mm, with a wettest year of 210 mm.
A quieter season to visit Coolum Beach
If your dates are flexible, the more temperate months of October and September tend to be the most comfortable for visiting Coolum Beach. That said, July — with days averaging 19.6°C and nights around 14.7°C (mean 17.2°C) and moderate rainfall (65 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 | 20.3°C | 17.5°C | 14.7°C | 22.2°C | 11.7°C | 41 mm | 69% | 3.1 m/s | 3.7 |
| 2024 | 20.3°C | 17.7°C | 15.1°C | 22.4°C | 11.0°C | 48 mm | 69% | 3.6 m/s | 3.4 |
| 2023 | 21.4°C | 18.8°C | 16.3°C | 24.0°C | 12.1°C | 39 mm | 67% | 2.9 m/s | 3.4 |
| 2022 | 18.3°C | 16.2°C | 14.2°C | 20.8°C | 10.9°C | 98 mm | 77% | 3.4 m/s | 3 |
| 2021 | 20.3°C | 17.6°C | 14.9°C | 23.7°C | 10.8°C | 40 mm | 70% | 3.2 m/s | 3.5 |
| 2020 | 20.1°C | 17.6°C | 15.1°C | 22.6°C | 11.0°C | 67 mm | 71% | 3.2 m/s | 3.5 |
| 2019 | 21.0°C | 18.3°C | 15.6°C | 23.3°C | 10.6°C | 31 mm | 67% | 2.7 m/s | 3.8 |
| 2018 | 20.6°C | 17.9°C | 15.2°C | 22.5°C | 11.7°C | 41 mm | 70% | 2.7 m/s | 3.8 |
| 2017 | 21.5°C | 18.5°C | 15.4°C | 24.4°C | 12.2°C | 20 mm | 67% | 2.6 m/s | 3.9 |
| 2016 | 20.6°C | 18.2°C | 15.7°C | 25.1°C | 11.8°C | 27 mm | 71% | 2.8 m/s | 3.5 |
| 2015 | 19.6°C | 17.2°C | 14.7°C | 24.1°C | 9.2°C | 22 mm | 71% | 3 m/s | 3.5 |
| 2014 | 20.1°C | 17.0°C | 14.0°C | 23.1°C | 10.5°C | 13 mm | 65% | 2.9 m/s | 3.9 |
| 2013 | 19.6°C | 17.9°C | 16.2°C | 21.8°C | 11.5°C | 88 mm | 79% | 3.2 m/s | 3.2 |
| 2012 | 18.7°C | 16.6°C | 14.5°C | 21.6°C | 10.9°C | 72 mm | 76% | 3.5 m/s | 3.3 |
| 2011 | 19.0°C | 16.4°C | 13.9°C | 20.9°C | 9.9°C | 38 mm | 69% | 3.2 m/s | 3.8 |
| 2010 | 20.2°C | 18.2°C | 16.2°C | 24.5°C | 12.5°C | 62 mm | 75% | 3.1 m/s | 3 |
| 2009 | 19.2°C | 16.8°C | 14.3°C | 22.7°C | 10.6°C | 14 mm | 72% | 3.1 m/s | 3.6 |
| 2008 | 18.7°C | 16.7°C | 14.7°C | 22.1°C | 9.2°C | 170 mm | 75% | 3.2 m/s | 3.1 |
| 2007 | 18.5°C | 15.5°C | 12.6°C | 21.8°C | 9.0°C | 11 mm | 64% | 3 m/s | 4.1 |
| 2006 | 20.2°C | 17.8°C | 15.5°C | 22.7°C | 12.6°C | 85 mm | 72% | 2.9 m/s | 3.3 |
| 2005 | 20.0°C | 17.8°C | 15.7°C | 22.3°C | 11.6°C | 38 mm | 71% | 3 m/s | 3.6 |
| 2004 | 20.6°C | 18.0°C | 15.3°C | 23.3°C | 11.0°C | 14 mm | 68% | 3.2 m/s | 3.6 |
| 2003 | 19.6°C | 17.4°C | 15.2°C | 21.8°C | 9.5°C | 54 mm | 69% | 3.2 m/s | 3.6 |
| 2002 | 20.4°C | 17.2°C | 14.0°C | 22.8°C | 12.3°C | 5 mm | 61% | 2.9 m/s | 3.9 |
| 2001 | 20.4°C | 17.7°C | 15.0°C | 22.7°C | 11.8°C | 57 mm | 67% | 3 m/s | 3.6 |
| 2000 | 19.3°C | 16.3°C | 13.3°C | 22.5°C | 9.1°C | 25 mm | 71% | 2.9 m/s | 3.9 |
| 1999 | 18.8°C | 17.1°C | 15.4°C | 20.7°C | 11.0°C | 164 mm | 79% | 3.8 m/s | 3.2 |
| 1998 | 20.0°C | 17.7°C | 15.3°C | 24.0°C | 9.9°C | 70 mm | 75% | 3.3 m/s | 3.3 |
| 1997 | 19.0°C | 17.3°C | 15.6°C | 21.3°C | 13.2°C | 85 mm | 76% | 3.4 m/s | 3.2 |
| 1996 | 18.7°C | 16.2°C | 13.8°C | 22.3°C | 10.0°C | 30 mm | 70% | 3.4 m/s | 3.6 |
| 1995 | 19.9°C | 17.0°C | 14.0°C | 23.1°C | 10.6°C | 10 mm | 65% | 3.2 m/s | 3.6 |
| 1994 | 19.2°C | 16.8°C | 14.5°C | 20.8°C | 11.3°C | 59 mm | 67% | 3.1 m/s | 3.6 |
| 1993 🔥 | 20.6°C | 18.8°C | 17.1°C | 23.2°C | 14.3°C | 107 mm | 80% | 2.9 m/s | 3.1 |
| 1992 | 19.0°C | 16.8°C | 14.5°C | 21.4°C | 10.0°C | 56 mm | 73% | 3 m/s | 3.7 |
| 1991 | 19.7°C | 16.6°C | 13.5°C | 23.2°C | 10.2°C | 47 mm | 63% | 3 m/s | 3.8 |
| 1990 | 18.6°C | 16.2°C | 13.7°C | 22.0°C | 9.0°C | 55 mm | 76% | 2.9 m/s | 3.6 |
| 1989 ❄️ | 17.7°C | 15.3°C | 12.9°C | 21.5°C | 8.6°C | 67 mm | 74% | 3.2 m/s | 3.3 |
| 1988 🌧️ | 19.3°C | 17.3°C | 15.3°C | 21.2°C | 10.7°C | 210 mm | 76% | 3.4 m/s | 3.2 |
| 1987 | 19.1°C | 16.6°C | 14.0°C | 21.8°C | 9.7°C | 132 mm | 68% | 3.1 m/s | 3.6 |
| 1986 | 19.3°C | 16.9°C | 14.5°C | 22.0°C | 8.6°C | 89 mm | 74% | 3.3 m/s | 3.4 |
| 1985 | 18.2°C | 15.9°C | 13.5°C | 21.0°C | 9.7°C | 200 mm | 72% | 3.2 m/s | 3.7 |
| 1984 | 18.5°C | 16.2°C | 13.9°C | 21.8°C | 9.2°C | 136 mm | 75% | 3.2 m/s | 2.9 |
| 1983 | 18.1°C | 16.1°C | 14.1°C | 22.6°C | 9.3°C | 110 mm | 79% | 3.7 m/s | — |
| 1982 | 18.8°C | 15.9°C | 13.0°C | 21.3°C | 9.5°C | 42 mm | 64% | 3 m/s | — |
| 1981 | 19.4°C | 16.8°C | 14.3°C | 23.7°C | 10.2°C | 39 mm | 69% | 3.1 m/s | — |
Actual recorded July data for each year, 1981–2025 — sourced from NASA POWER.
The average high in July is around 19.6°C with lows near 14.7°C (mean 17.2°C), based on 45 years of NASA POWER data.
July averages 65 mm of rainfall in Coolum Beach, one of the drier months. The wettest on record was 210 mm in 1988.
The hottest July reached 25.1°C in 2016. The coldest dipped to 8.6°C in 1986.
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 18.6°C to 20.1°C and overnight lows from 13.8°C to 15°C over the same span.
July is one of the cooler months of the year in Coolum Beach and one of the drier months, so plan for around 19.6°C daytime highs and 14.7°C at night.
Yes — July is the coldest month of the year in Coolum Beach, averaging 17.2°C.
For July in Coolum Beach, pack light layers you can adjust through the day, with typical highs of 19.6°C and lows of 14.7°C. Bring an umbrella or light rain jacket too.
Relative humidity in July averages 71% — moderately humid.
Average wind speed in July is 3.1 m/s. The windiest July on record averaged 3.8 m/s (1999).
The wettest July on record was 1988 with 210 mm. On average, July sees 65 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 Coolum Beach 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.
