The highest day temperature in June 2026 was 72°F. The lowest night temperature was 37°F. The average values for day and night temperatures during June were 59.2°F и 48.7°F respectivly.

The average sea surface temperature in June 2026 for Sydney was 47.8°F. The maximum and minimum values were 42.2°F and 55.0°F respectively.

Most of the days in June are gloomy but you can also expect sunny days.

Precipitation total in June for Sydney is 1.5 in. It makes june one of the least rainy months of the year.

The average wind speed in June is 8.5 mph. It makes June one of the most windless months of the year for Sydney.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Sydney in June is 6.8 hours.