Williamstown Temperatures: Monthly Averages and Year-Round Insights
On this page, we’ll explore Williamstown’s temperature statistics in detail, including day and night variations and monthly averages. We’ll also compare the annual temperature to other cities in Australia.
Monthly Temperature Averages
With significant temperature fluctuations, Williamstown enjoys distinct seasons year-round. Average maximum daytime temperatures range from a comfortable 25°C in January, the warmest time of the year, to a moderate 14°C during cooler months like July. At night, minimum temperatures typically average around 7°C during these months.
The chart below illustrates the average maximum day and minimum night temperatures in Williamstown by month:
The minimum temperature is often recorded between 4 AM and 6 AM, while the highest temperature is usually reached at 3 PM. During this time the sun's heating effect is the strongest. January, the city’s warmest month receives 276 hours of sunshine.
The chart below shows the average temperature throughout the year:
July, the city’s coldest month, receives about 51 mm of rainfall spread over roughly 10 days. For more information, please visit our Williamstown Precipitation page.
Annual Temperatures in Australia Compared
The map below shows the annual temperature across Australia. You can also select the different months in case you are interested in a specific month.
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moderate
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Williamstown Temperatures Compared World Wide
Williamstown’s average annual maximum temperature is 20°C. Let’s compare this with some popular tourist destinations:
The city of Rome, Italy, has an average annual temperature of 20°C, known for its sunny summers and comfortable winters.
Glasgow, Scotland, the average annual temperature is significantly lower at 13°C, with mild summers and cold winters.
In Seoul, South Korea, the average annual temperature is 18°C, featuring distinct seasons.
Perth, Australia, experiences a Mediterranean climate, with a pleasant average temperature of 25°C.
How does the temperature feel?
Humidity is an essential factor in how you experience temperature. When a warm period is accompanied by high humidity, it results in a higher perceived temperature. This is especially true when temperatures exceed 25°C, as it can cause greater discomfort.
In Williamstown, during the coolest month, July, you will experience 63% humidity, which is considered high. This is accompanied by an average maximum temperature of 14°C. In the warmest month, January, the humidity is 44% combined with an average maximum temperature of 25°C, which creates a moderate-feel temperature. Explore our detailed page on humidity levels for further details.
How are these Temperatures Measured?
Generally, temperature data depicting climate is usually given over a 30-year average in order to reduce short-term fluctuations and reveal better long-term trends in climate conditions.
This temperature data is taken from land-based thermometers, ocean buoys, ships, and satellites. These measurements are transmitted to weather stations and climate centers around the globe where they are processed, averaged, and analyzed in order to monitor the trends and create climate models.
Temperatures in the Mountains
Although not all regions have mountains, elevated areas exhibit distinct temperature variations.
- Sun Exposure: Sunlit slopes tend to be warmer, while shaded areas remain cooler.
- Altitude Effects: Temperatures drop by approximately 6°C for every 1,000 meters of elevation, creating distinct microclimates.
For more detailed information about Williamstown’s weather, including monthly rainfall, sunshine hours, and humidity levels, visit our Williamstown climate page.
Current temperature in Williamstown
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