Williamstown
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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 excellent 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 excellent, 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.

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% *
* Data from: Melbourne, Australia (7 KM, 4 Miles).

Williamstown Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Williamstown - and find the best time to visit.

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 →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    8/10
  • Outdoor sports
    8/10

Williamstown 3-Day Forecast

Popular in January

Where to go in January - average daytime high across popular destinations.

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