July weather forecast
Perth, Australia

July in Perth grows colder, becoming the epitome of winter in the city. With the lowest sea temperatures registered at 19°C (66.2°F), a chilly blanket covers Perth during this month. The city experiences its highest rainfall of the year, 145mm (5.71"), providing nourishment to the abundant greenery. The colder days prevail, yet Perth residents take it in stride, venturing out to enjoy various winter carnivals and festivals. The brightly lit city under the winter night sky presents a picturesque view, very different from the summer's vibrant landscapes.

Temperature

July, with its high-temperature average of 18.4°C (65.1°F) and a low-temperature average of 7.7°C (45.9°F), is the coldest month.

Humidity

With an average relative humidity of 57%, July is the most humid month.

Rainfall

July is the month with the most rainfall in Perth. Rain falls for 16.9 days and accumulates 145mm (5.71") of precipitation.

Sea temperature

In Perth, the average seawater temperature in July is 20°C (68°F).
Note: For most, swimming in 20°C (68°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.

Daylight

The average length of the day in July in Perth is 10h and 17min.
On the first day of July, sunrise is at 7:17 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:40 pm AWST.

Sunshine

In July, the average sunshine in Perth is 6.1h.

UV index

June and July, with an average maximum UV index of 3, are months with the lowest UV index in Perth. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: An average maximum UV index of 3 in July leads to these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.