Cairns
Australia
Long-term weather forecast
Long-term weather forecast

July weather forecast and climate
Cairns, Australia

July, the same as June, is a moderately hot winter month in Cairns, Australia, with temperature in the range of an average high of 25°C (77°F) and an average low of 16°C (60.8°F).

Temperature

The coldest months are June and July, with an average high-temperature of 25°C (77°F).

Rainfall

In July, in Cairns, the rain falls for 6 days. Throughout July, 44mm (1.7") of precipitation is accumulated. Throughout the year, there are 95 rainfall days, and 2193mm (86.3") of precipitation is accumulated.

Sea temperature

The month with the coldest seawater is July, with an average sea temperature of 23.8°C (74.8°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.8°C (74.8°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)

Daylight

In Cairns, the average length of the day in July is 11.2h.

Sunshine

In July, the average sunshine in Cairns is 7h.

UV index

Months with the lowest UV index in Cairns, Australia, are June and July, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
In July, the average maximum UV index of 7 translate into the following recommendations:
Take precautions against overexposure. Fair-skinned people may get burned in less than 20 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What are the coldest months in Cairns?

June and July, with an average high-temperature of 25°C (77°F), are the coldest months in Cairns.

What is the temperature in July in Cairns?

In July, the average high-temperature is 25°C (77°F), and the average low-temperature is 16°C (60.8°F).

How much does it rain in Cairns in July?

In Cairns, in July, during 6 rainfall days, 44mm (1.7") of precipitation is typically accumulated.

What month is the sea coldest in Cairns?

The month with the coldest seawater in Cairns is July, with an average sea temperature of 23.8°C (74.8°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23.8°C (74.8°F) water.

How warm is the water in July in Cairns?

In Cairns, in July, the average water temperature is 23.8°C (74.8°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23.8°C (74.8°F) water may be enjoyable.

What is the average length of the day in July in Cairns?

In Cairns, Australia, the average length of the day in July is 11.2h.

How many hours of sunshine does Cairns have in July?

In July, the average sunshine in Cairns is 7h.

What is the month with the lowest UV index in Cairns?

Months with the lowest UV index in Cairns are June and July, with an average maximum UV index of 7.

What is the UV index intensity in July in Cairns?

In Cairns, Australia, the average daily maximum UV index in July is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from the exposure to the Sun's UV rays.
Average temperature in July - Cairns, Australia
  • Average high temperature in July: 25°C

Warmest months (with the highest average high temperature) are January, February and December (31°C).
Months with the lowest average high temperature are June and July (25°C).

  • Average low temperature in July: 16°C

Months with the highest average low temperature are January, February and December (23°C).
The coldest month (with the lowest average low temperature) is July (16°C).

Average rainfall in July - Cairns, Australia
  • Average rainfall in July: 44mm

The wettest month (with the highest rainfall) is March (442mm).
The driest month (with the lowest rainfall) is August (38mm).

Average rainfall days in July - Cairns, Australia
  • Average rainfall days in July: 6 days

The month with the highest number of rainy days is February (14 days).
The month with the lowest number of rainy days is September (3 days).

Average sea temperature in July - Cairns, Australia
  • Average sea temperature in July: 23.8°C

The best month for swimming (with the highest average sea temperature) is January (29.5°C).
The coldest month (with the lowest average sea temperature) is July (23.8°C).

Average daylight in July / Average sunshine in July - Cairns, Australia
  • Average daylight in July: 11.2h

The month with the longest days is December (Average daylight: 13.1h).
The month with shortest days is June (Average daylight: 11.1h).

  • Average sunshine in July: 7h

The month with most sunshine is October (Average sunshine: 9h).
Months with least sunshine are February, March, April and May (Average sunshine: 6).

Average UV index in July - Cairns, Australia
  • Average UV index in July: 7

Months with the highest UV index are January, February, March, October, November and December (UV index 12).
Months with the lowest UV index are June and July (UV index 7).