June weather forecast
Sydney, Australia

Arriving wintertime, June in Sydney is synonymous with cool temperatures and reduced daylight hours. Covering up with warm clothes becomes increasingly necessary, especially as twilight descends upon the city. Sydney reaches its coldest sea temperature of the year in June, penetrating to 19.3°C (66.7°F). Despite the reduced sunlight, the slight uptick in rainfall adds a cozy touch to the city's indoor lifestyle. Terms such as 'chilly', 'crisp', and 'bracing' begin to pepper weather forecasts during this month.

Temperature

Entering June in Sydney, the average high-temperature is recorded at a still refreshing 17°C (62.6°F), exhibiting a minimal shift from May's 19.5°C (67.1°F). Throughout June, Sydney witnesses a consistent average low-temperature of 9.3°C (48.7°F).

Humidity

The average relative humidity in June in Sydney is 57%.

Rainfall

The month with the most rainfall is June, when the rain falls for 12.5 days and typically aggregates up to 132mm (5.2") of precipitation.

Sea temperature

In June, the average sea temperature in Sydney is 19.3°C (66.7°F).
Note: For most, swimming in 19.3°C (66.7°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

June has the shortest days of the year in Sydney, with an average of 9h and 54min of daylight.
On the first day of June, sunrise is at 6:51 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 4:56 pm AEST.

Sunshine

With an average of 5.9h of sunshine, June has the least sunshine of the year.

UV index

With an average maximum UV index of 2, June is the month with the lowest UV index in Sydney, Australia. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In June, the average maximum UV index of 2 translates into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.