June weather forecastSydney, Australia

June
Weather in June
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.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in June
Sydney, Australia
- Average high temperature in June: 17°C
The warmest month (with the highest average high temperature) is January (25.9°C).
The month with the lowest average high temperature is July (16.3°C).
- Average low temperature in June: 9.3°C
The month with the highest average low temperature is February (18.8°C).
The coldest month (with the lowest average low temperature) is July (8.1°C).
Average humidity in June
Sydney, Australia
- Average humidity in June: 57%
The month with the highest relative humidity is February (64%).
The month with the lowest relative humidity is August (49%).
Average rainfall in June
Sydney, Australia
- Average rainfall in June: 131.9mm
The wettest month (with the highest rainfall) is June (131.9mm).
The driest month (with the least rainfall) is September (68.3mm).
Average rainfall days in June
Sydney, Australia
- Average rainfall days in June: 12.5 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (10.4 days).
Average sea temperature in June
Sydney, Australia
- Average sea temperature in June: 19.3°C
The best month for swimming (with the highest average sea temperature) is February (23.7°C).
The coldest month (with the lowest average sea temperature) is September (18.6°C).
Average daylight in June /
Average sunshine in June
Sydney, Australia
- Average daylight in June: 9h and 54min
The month with the longest days is December (Average daylight: 14h and 24min).
The month with the shortest days is June (Average daylight: 9h and 54min).
- Average sunshine in June: 5h and 54min
The months with the most sunshine are August, September, October and December (Average sunshine: 7h and 54min).
The month with the least sunshine is June (Average sunshine: 5h and 54min).
Average UV index in June
Sydney, Australia
- Average UV index in June: 2
The months with the highest UV index are January and December (UV index 12).
The month with the lowest UV index is June (UV index 2).





