Weather in Brisbane in May

Prime time. If you get to pick your dates, May is the one. Highs average 23.1 °C, lows 16 °C, and rain falls on 11 days — nothing in the month is working against you.

May ranks 5 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 11 days, 2 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: it never really gets hot: not one day in an average May reaches 30 °C. Across the twenty years measured, the hottest May day reached 29 °C and the coldest night fell to 8.5 °C, and the wettest single day dropped 110 mm — roughly 151% of the month's rain in one day.

May is moderately variable: 19 mm in the driest year against 241 mm in the wettest, around an average of 73 mm. Roughly two Mays in three land near that average, and the third does something else entirely.

Wind is light at 11 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 71%.

How May sits in the year

The month is on the way down: 2.5 °C cooler than April, with June dropping another 2.3 °C. The first week and the last are not the same trip.

Daylight in May

May sits at the dark end of Brisbane's year — 10.8 hours of daylight against 13.9 at midsummer, losing 0.5 hours across the month. Sightseeing days are genuinely shorter, and an itinerary built for summer will not fit.

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

Shoulder. The value months — prices ease off and you get the place closer to itself. May is the value pick for Brisbane: it scores within 9 points of August without carrying August's prices.

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

May in Brisbane versus nearby

If Brisbane is one option among several, the nearby comparison is worth making. Toowoomba is a better bet in May — within a degree on temperature, 6 days less rain. Byron Bay is close enough to be a coin toss — within a degree on temperature, the same number of rain days.

So: May works, with August the better month by 9 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Brisbane

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