Weather in Brisbane in January

Shoulder season. January sits in between. You will get good days and you will lose some. Highs average 29.3 °C, lows 22.7 °C, and rain falls on 13 days — nothing in the month is working against you.

January ranks 10 of 12 — near the bottom of Brisbane's year. August is the month that works, and the swing between the two is 26 points, which is a different holiday rather than a slightly better one.

Rain on 13 days, 4 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 29.3 °C days and 22.7 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 11 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest January day reached 39.9 °C and the coldest night fell to 18.8 °C, and the wettest single day dropped 137 mm — roughly 98% of the month's rain in one day.

January is moderately variable: 11 mm in the driest year against 396 mm in the wettest, around an average of 140 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 13.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 72%.

How January sits in the year

Temperatures hold steady either side: 28.6 °C in December, 29.3 here, 28.7 in February. Nothing about the timing within the month matters much.

Daylight in January

January is at or near the longest days of Brisbane's year: 13.7 hours of daylight, losing 0.4 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

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.

January in Brisbane versus nearby

If Brisbane is one option among several, the nearby comparison is worth making. Toowoomba is close enough to be a coin toss — within a degree on temperature, 2 days less rain. Byron Bay is a better bet in January — 3 °C cooler, 1 day more rain.

So: January is a compromise. August is 26 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

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