Colac Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Colac.
Climate overview of Colac
The climate in Colac, Victoria, Australia, is marked by large temperature swings across the seasons, ranging from 25°C (77°F) in January to 13°C (55°F) in August.
With around 693 mm (27 in) of annual rainfall, the city has moderate precipitation levels. September is the wettest month and March the driest.
Colac Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Colac — and find the best time to visit.
Monthly Temperature in Colac
In Colac, temperatures differ significantly between summer and winter months. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in January to a moderate 13°C (55°F) in the coolest month, August.
Nights vary from 13°C (55°F) in January to around 6°C (43°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Colac
On average, Colac receives a reasonable amount of rainfall, with an annual precipitation of 693 mm (27 in). The climate in Colac shows significant variation throughout the year. Expect moderate rainfall in September, the wettest month, with an average of 81 mm (3.2 in) of precipitation over 11 rainy days.
In contrast, the driest month March offers drier and sunnier days, with around 37 mm (1.5 in) of rainfall over 9 rainy days. For more details, please visit our Colac Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Best Time to Visit Colac
Frequently asked questions about the climate in Colac
What is the best time to visit Colac?
January, February, March, November and December typically offer the most optimal weather in Colac. In contrast, July tends to have less optimal conditions.
What temperatures can I expect in Colac?
Daytime highs range from 13°C (55°F) in August to 25°C (77°F) in January. Nighttime lows range from 6°C (43°F) to 13°C (55°F). Temperatures vary considerably through the year.
How much rain does Colac get?
Annual rainfall is around 693 mm (27 in). September is the wettest month with 81 mm (3.2 in), while March is the driest with 37 mm (1.5 in).
Colac 3-Day Forecast
Colac 3-Day Forecast
Colac on the map
Colac is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
An alternative way to discover Sydney
We have made an overview of the sights in Sydney that you must see if you want to visit Sydney in an alternative way.
The most relaxed and alternative area of Australia is called the Byron Shire
The Byron Shire is one of the most pretty areas in the world. Not only in terms on natural beauty, also the relaxed vibe and people make this an area that remains close to your heart.
Sail the Whitsunday islands
The best travel period to sail the Whitsunday islands is “winter” between June and October, with pleasant temperatures around 23 degrees Celsius (74 Fahrenheit).
The best dive spots in Australia
Explore Australia's best dive spots: from the Great Barrier Reef to HMAS Perth. Discover vibrant corals, marine life, and historic wrecks.