Williamstown

What is the climate like in Williamstown?

The best time to visit Williamstown is typically December – April, with trip comfort peaking in February (8.3/10). Williamstown is warmest in January, when daily highs average 80°F (26°C), and coolest in July, when lows fall to about 44°F (7°C). The wettest month is typically October and the driest is February; the year sees roughly 27 in (688 mm) of precipitation.

• Best time to visitDecember – April — comfort peaks in February (8.3/10)
• Warmest monthJanuary — average high 80°F (26°C)
• Coolest monthJuly — average low 44°F (7°C)
• Wettest monthOctober (3.2 in (82 mm))
• Driest monthFebruary (1.1 in (28 mm))
• Annual precipitation27 in (688 mm)
• Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
• Records fromLaverton Raaf, 12 km away (1943-2026)