Weather in Melbourne in August

Shoulder season. August sits in between. You will get good days and you will lose some. Highs sit at 13.8 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

August ranks 11 of 12 — near the bottom of Melbourne's year. January is the month that works, and the swing between the two is 33 points, which is a different holiday rather than a slightly better one.

This is persistent light rain rather than storms: 15 wet days but only 1 heavy ones. It rarely cancels anything outright, and it rarely fully clears either. A jacket beats an umbrella. Layers, and a genuinely waterproof outer — at 13.8 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

The averages here are honest — no hidden extremes worth planning around. Across the twenty years measured, the hottest August day reached 20.5 °C and the coldest night fell to 1.2 °C.

August is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest August on record still delivered 113 mm against 32 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 70 mm average is a reasonable planning figure, not a promise.

Wind is light at 13.3 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 81%, which at 13.8 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.

How August sits in the year

Temperatures hold steady either side: 13.2 °C in July, 13.8 here, 16 in September. Nothing about the timing within the month matters much.

Daylight in August

10.6 hours of daylight, gaining 1 hours across the month. That is between Melbourne's extremes of 14.8 and 9.6 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 19.2 °C between the year's warmest afternoons and coldest nights.

How busy it gets

Off season. The genuine off season: cheapest by a distance, with the caveat that some tours and restaurants close entirely.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Melbourne versus nearby

If Melbourne is one option among several, the nearby comparison is worth making. Ballarat is close enough to be a coin toss — 2.3 °C cooler, 2 days less rain. Bendigo is close enough to be a coin toss — within a degree on temperature, 4 days less rain.

So: August is a compromise. January is 32 points better and is what Melbourne is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Melbourne

See all twelve months in Melbourne, or where else to go in August.