Weather in Cairns in July 2025
- July is usually the coldest month of the year in Cairns;
Average weather
Average temperature in Cairns in July
Going from a maximum of +25°C during the day to a minimum of +16°C during the night, the temperature in July averages around +23°C.
The average maximum temperature goes down 11% by the end of the month, compared with the beginning of the month, from +23°C to +22°C.
Is Cairns warm or cold in July?
Cairns is typically warm in July.
Maximum temperatures go down compared to the previous month from +24°C to +23°C. The minimum temperature also goes down from +20°C to +19°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
July is the coldest month in Cairns, here is the comparison with other months:
Water temperature in Cairns in July
Water in Cairns in July is Comfortable. It varies from +22°C to +25°C, with an average of +24°C. Note that the air temperature is lower than the water temperature, averaging around +23°C.
The water temperature in July is one of the coldest of the entire year:
Can you swim in Cairns in July?
Climate in Cairns in July
| June | July | August | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +23°C | +24°C | ||||
| Min. temperature | ||||||
| +10°C | +10°C | +10°C | ||||
| Max. temperature | ||||||
| +32°C | +31°C | +31°C | ||||
| Rainfall | ||||||
| 34 mm | 31 mm | 27 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Avg. water temperature | ||||||
| +25°C | +24°C | +24°C | ||||
| Humidity | ||||||
| 76% | 75% | 74% | ||||
| Air pressure | ||||||
| 1015 HPa | 1016 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 6 | 7 | 8 | ||||
| Cloudy days | ||||||
| 12 | 12 | 11 | ||||
| Rainy days | ||||||
| 13 | 12 | 12 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
July weather is still as good as in June. It’s getting colder in July. From +24°C in the day, the average maximum temperature lowers to +23°C. As July arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 34 mm to 31 mm. It feels drier, as humidity decreases from 76% to 75%. The average wind speed doesn’t change much during July, staying around 3 m/s. The good news is there are likely to be more sunny days in July, from 6 to 7.
August brings much the same weather, it remains good.
Wind
The average wind speed is 4 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Cairns is gradually increasing during July, going from 4 m/s to 5 m/s over the course of the month.
Rain
How was the weather last July in Cairns?
Climate Change over Years
The climate in Cairns in July has not changed much over the last 43 years.
The average temperature was the lowest in 1982 (+24°C) and the highest in 2013 (+30°C). The driest year was 2002 with only 513 mm of rainfall, and the wettest year was 2023 with 3123 mm.
FAQ
Is July a good time to visit Cairns?
Can you sunbathe in Cairns in July?
Can you swim in Cairns in July?
Is Cairns rainy in July?
Is it sunny in Cairns in July?
Other cities in Australia
Monthly weather in Cairns
Source of the data
For this page, we’ve looked at the typical weather in Cairns, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.