Cairns
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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 excellent 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 excellent, 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.

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

Cairns Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Cairns - and find the best time to visit.

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 records 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 50 years of weather records for Cairns, the following extremes were recorded between 1976 and 2026.

  • 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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    10/10
  • Cycling
    10/10
  • Walking
    10/10
  • Barbeque
    9/10
  • Camping
    10/10
  • Outdoor sports
    10/10

Cairns 3-Day Forecast

More climate data for Cairns

Popular in July

Where to go in July - average daytime high across popular destinations.

Bucket list

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