Cairns Weather in July
July in Cairns brings high temperatures, with daytime highs of 23°C (73°F) and nights around 18°C (64°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Cairns in July
On average, there are about 6 days with rain during this month, averaging 37 mm (1.5 in). Rain days are few and the total is low, so this is a largely dry month. Any showers that do occur tend to be brief.
Temperature in Cairns in July
July is a good time to be in Cairns. Days are perfect, reaching 23°C (73°F), with nights around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. At 18°C (64°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. The temperatures are the mildest of the year this month, but warmth is still abundant and comfortable.
Sunshine in Cairns in July
Expect sunny days throughout the month, with an estimated 223 hours of sunshine. This makes it a pleasant time to visit Cairns.
Average water temperature in July
The water is 22°C (72°F) this month — warm enough that getting in requires no effort at all. Good conditions for swimming, snorkeling, or just floating around.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Cairns's climate page.
Cairns Temperature in July
Min Temperature
18°C (64°F)
Max Temperature
23°C (73°F)
Water Temperature
22°C (72°F)
Chance of Rain
19%
Precipitation
37 mm (1.5 in)
Rainy days
6 days
Humidity
57%
Sunshine
223 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cairns typically stay consistent throughout July, with daily highs averaging around 23°C (73°F). Nights are pleasant, with lows around 18°C (64°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Cairns in July
Browse day-by-day weather records for Cairns spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cairns historical weather extremes in July
According to our 49 years of weather records for Cairns, the following extremes were recorded between 1976 and 2025.
- Cairns recorded its highest July temperature of 31°C (88°F) on July 27, 1978.
- The coldest July day was on July 5, 2022, with a maximum of 19°C (66°F).
- The lowest overnight temperature recorded in July was 9°C (48°F) (July 30, 2008).
Best Places in Australia in July
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Cairns in July
Pleasant temperatures in July mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Pack a light rain jacket or compact umbrella for occasional showers. The water temperature sits at about 22°C (72°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Cairns in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Cairns's climate page.
Temperature Rainfall Sunshine Humidity Water Temp
See the full Cairns climate overview or explore weather in Australia.
