Weather in Canberra in August

Shoulder season. August sits in between. You will get good days and you will lose some. Highs sit at 13.3 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.

August ranks 10 of 12 — near the bottom of Canberra's year. April is the month that works, and the swing between the two is 28 points, which is a different holiday rather than a slightly better one.

Rain on 9 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Layers, and a genuinely waterproof outer — at 13.3 °C the difference between a good day and a miserable one is entirely down to what you are wearing.

What the averages hide

Averages flatten a month, and this one hides a few things: 3 nights fall below freezing. Across the twenty years measured, the hottest August day reached 20.6 °C and the coldest night fell to -3.1 °C, and the wettest single day dropped 48 mm — roughly 91% of the month's rain in one day.

August is moderately variable: 12 mm in the driest year against 109 mm in the wettest, around an average of 53 mm. Roughly two Augusts in three land near that average, and the third does something else entirely.

Wind is light at 4.8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 78%, which at 13.3 °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: 12 °C in July, 13.3 here, 17.1 in September. Nothing about the timing within the month matters much.

Daylight in August

10.8 hours of daylight, gaining 0.9 hours across the month. That is between Canberra's extremes of 14.5 and 9.8 hours, so days are long enough not to constrain the plan.

An inland climate

With no coast nearby, the year swings a fair way — 27.5 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

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 Canberra versus nearby

If Canberra is one option among several, the nearby comparison is worth making. Katoomba is close enough to be a coin toss — within a degree on temperature, 2 days less rain. Bathurst is close enough to be a coin toss — within a degree on temperature, 2 days less rain.

So: August is a compromise. April is 23 points better and is what Canberra 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 Canberra

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