Cairns weather in July 2026

Q: How hot is it in Cairns in July?

Daytime temperatures usually reach 21°C in Cairns in July, falling to 9°C at night.

Q: How sunny is it in Cairns in July?

There are normally 7 hours of bright sunshine each day in Cairns in July - that's 70% of daylight hours.

Q: How warm is the sea around Cairns in July?

The average sea temperature around Cairns in July is 21°C.

Q: Does it rain in Cairns in July?

There are usually 7 days with some rain in Cairns in July and the average monthly rainfall is 66mm.

Expect daytime maximum temperatures of 25°C in Cairns, Queensland in July based on long-term weather averages. There are 7 hours of sunshine per day on average with typically 44 mm of rainfall in the month.

25
25°C max day temperature
7
7 hours of sunshine per day
6
6 days with some rainfall
16
16°C min night temperature
11
11 hours of daylight per day
L
Low heat & humidity
44
44 mm of monthly rainfall
7
7 (High) UV index
23
23°C sea temperature

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The July weather guide for Queensland (Cairns) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.