Cairns weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Good
Best time to visit: May, August – November
What is the weather like in Cairns in July?
In July, Cairns is warm: daytime highs average 23 °C, and nights cool down to about 20 °C. The sea averages 23.6 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 6 days, adding up to 30 mm. All in all, July is a good month for a holiday in Cairns.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 11 h 12 min06:47 – 17:59
- UV index
- 7 · highclear sky, noon (estimate)All months
- Muggy days
- 10 daysdew point 18 °C or more
- Wind
- 16 km/haverage daily peak
- Cloud cover
- 50 %on average
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+10Australia/Brisbane
How the score comes together
- Temperatureweight 35 %58 %
- Seaweight 25 %94 %
- Sunshineweight 20 %75 %
- Few rainy daysweight 20 %85 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
Cairns in July: quick answers
Is Cairns hot in July?
Warm rather than hot: in July, daytime highs in Cairns average 23 °C and nights cool to about 20 °C.
Can you swim in Cairns in July?
Yes. In July the sea averages 23.6 °C – pleasant for swimming.
Does it rain much in Cairns in July?
Rain falls on about 6 days, adding up to 30 mm.
Cairns month by month
The whole year in CairnsAll destinations: AustraliaWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0)