Weather Forecast and Radar for Williamstown, South Australia

Weather in Williamstown, SA

Williamstown, Australia, located in the province of South Australia, experiences typical seasonal weather patterns. Winters in Williamstown are generally cool and wet, with an average temperature of 16.7°C (62.1°F). January is the coldest month of the year, with average temperatures ranging from 10.9°C (51.6°F) to 21.6°C (70.9°F). Snowfall is rare, but can occur in the winter months.

Spring in Williamstown is mild and pleasant, with average temperatures ranging from 13.1°C (55.6°F) to 24.2°C (75.6°F). The region experiences higher rainfall at this time of year, particularly in the months of October and November.

Summers in Williamstown are hot and humid, with temperatures ranging from 16.5°C (61.7°F) to 29.7°C (85.5°F). July is the hottest month of the year, with temperatures often exceeding 30°C (86°F).

Autumn in Williamstown is mild and dry, with temperatures ranging from 13.1°C (55.6°F) to 24.2°C (75.6°F). October is usually the driest month of the year, with average rainfall totals of less than 40mm (1.6 inches).

Overall, Williamstown experiences mild temperatures year-round, with the hottest months being December and January, and the coldest months being June and July. The region experiences higher rainfall totals in the spring and autumn months.

Fast Facts About Williamstown, SA

As of 2020, the city population is 2755.

Major Cities Nearby Williamstown, SA

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Williamstown, South Australia.