The highest day temperature in July 2026 was 80°F. The lowest night temperature was 56°F. The average values for day and night temperatures during July were 77.0°F и 63.5°F respectivly.

The average sea surface temperature in July 2026 for Cairns was 74.8°F. The maximum and minimum values were 72.6°F and 76.6°F respectively.

Most of the days in July are sunny but you can also expect cloudy and gloomy days.

Precipitation total in July for Cairns is 0.7 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 9.2 mph. It makes July one of the most windy months of the year for Cairns.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Cairns in July is 6.8 hours.