Weather in Toowoomba in January

Shoulder season. January sits in between. You will get good days and you will lose some. Highs average 31 °C, lows 17.4 °C, and rain falls on 11 days — nothing in the month is working against you.

January ranks 11 of 12 — near the bottom of Toowoomba's year. August is the month that works, and the swing between the two is 30 points, which is a different holiday rather than a slightly better one.

Rain on 11 days, 2 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 31 °C days and 17.4 °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: 5 days clear 35 °C, so a serious heatwave is normal rather than notable. Across the twenty years measured, the hottest January day reached 40.6 °C and the coldest night fell to 11.5 °C, and the wettest single day dropped 113 mm — roughly 120% of the month's rain in one day.

January is moderately variable: 5 mm in the driest year against 279 mm in the wettest, around an average of 94 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 9.9 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 65%.

How January sits in the year

This is a turning point in the year — December and February sit on opposite sides of it, so the month contains the change rather than following it.

Daylight in January

January is at or near the longest days of Toowoomba'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

With no coast nearby, the year swings a fair way — 26.1 °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.

January in Toowoomba versus nearby

If Toowoomba is one option among several, the nearby comparison is worth making. Brisbane is close enough to be a coin toss — within a degree on temperature, 2 days more rain. Byron Bay is a better bet in January — 4.7 °C cooler, 3 days more rain.

So: January is a compromise. August is 30 points better and is what Toowoomba 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 Toowoomba

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