Williamstown
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Williamstown Weather in August

Williamstown in August averages 15°C (59°F) during the day and 7°C (45°F) at night. This is part of the winter season. Some rainfall is to be expected.

Rainfall in Williamstown in August

On average, there are about 10 days with rain during this month, averaging 58 mm (2.3 in). Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Williamstown in August

In August, expect moderate temperatures in Williamstown, with highs of 15°C (59°F) and lows of 7°C (45°F) at night. This month falls in the winter season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 7°C (45°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Williamstown in August

The area enjoys a balanced 166 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Williamstown in August

Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in August

With water at 13°C (55°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

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 August

Min Temperature
7°C (45°F)
Max Temperature
15°C (59°F)
Water Temperature
13°C (55°F) *
Chance of Rain
34%
Precipitation
58 mm (2.3 in)
Rainy days
10 days
Humidity
56% *
Windspeed
3 m/s (6 knots) *
Sunshine
166 hours *
Percentage Sunshine
51% *
* 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 August

Find out more about the weather in Australia and which places have the best travel conditions in this month. See all of Australia in August →

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 August

The weather can swing between comfortable and chilly in August, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Expect water temperatures of around 13°C (55°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Williamstown in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    5/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    10/10

Williamstown 3-Day Forecast

Popular in August

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

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