Weather in Brisbane in March

Australia · 20-year averages, March

A good month. March works. It is not the peak, but nothing about it fights you. You should expect rain on 17 days of the month, which is more days wet than dry.

March ranks 9 of 12 in Brisbane: past the worst of the year but short of August, which is the month to book if the dates are open.

Rain on 17 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: the day barely swings — 5.8 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest March day reached 35.6 °C and the coldest night fell to 15.5 °C, and the wettest single day dropped 133 mm — roughly 98% of the month's rain in one day.

March is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest March on record still delivered 298 mm against 41 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 136 mm average is a reasonable planning figure, not a promise.

Wind is light at 13.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 75%, high enough to notice on the warm days without dominating them.

How March sits in the year

Temperatures hold steady either side: 28.7 °C in February, 27.5 here, 25.6 in April. Nothing about the timing within the month matters much. Rain is the thing that moves: April brings 5 days less of it, so pushing the dates later buys drier weather.

Daylight in March

12.3 hours of daylight, losing 0.8 hours across the month. That is between Brisbane's extremes of 13.9 and 10.4 hours, so days are long enough not to constrain the plan.

An inland climate

Despite being inland, the year stays fairly even: 16.7 °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.

March in Brisbane versus nearby

If Brisbane is one option among several, the nearby comparison is worth making. Toowoomba is a better bet in March — within a degree on temperature, 7 days less rain. Byron Bay is close enough to be a coin toss — within a degree on temperature, 2 days more rain.

So: March is a compromise. August is 23 points better and is what Brisbane 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 Brisbane

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January29.322.7 131407213.763
February28.722.7 15156751363
March27.521.6 171367512.366
April25.619.2 12837311.578
May23.116 11737110.880
June20.813.9 11887410.478
July20.412.6 8387110.586
August21.713 5446711.189
September24.215.6 7386811.987
October26.117.8 9816812.783
November27.519.9 11926913.576
December28.621.5 141307113.963

See all twelve months in Brisbane, or where else to go in March.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

Facebook · Instagram · YouTube · TikTok