Williamstown Weather in January
January in Williamstown sees daytime temperatures around 25°C (77°F) and lows of 15°C (59°F) at night. The perfect weather makes it a good time to visit.
Rainfall in Williamstown in January
Typically, you can expect about 10 days of rain this month, with 51 mm (2 in) on average. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Williamstown in January
January in Williamstown is generally perfect, with days reaching 25°C (77°F) and nights settling around 15°C (59°F). January is in the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 15°C (59°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This month tends to be the warmest of the year. Light, comfortable clothing will serve you well.
Sunshine in Williamstown in January
The city usually sees around 276 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in Williamstown in January
Wind speeds average 3 m/s (6 knots) during January. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in January
The water temperature is 17°C (63°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, November and December typically offer the best weather for Williamstown.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Williamstown's climate page.
Williamstown Temperature in January
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Water Temperature
17°C (63°F) *
Chance of Rain
33%
Precipitation
51 mm (2 in)
Rainy days
10 days
Humidity
44% *
Windspeed
3 m/s (6 knots) *
Sunshine
276 hours *
Percentage Sunshine
61% *
Best Places in Australia in January
Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in January →
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unpleasant
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What to Wear in Williamstown in January
Warm weather calls for comfortable, breathable clothing in January. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. With water temperatures around 17°C (63°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Williamstown in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Australia, check out our Williamstown's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Williamstown climate overview or explore weather in Australia.
