Weather in Townsville in January

A hard month. January asks something of you. Go in knowing what. You should expect rain on 17 days of the month, which is more days wet than dry.

January ranks 12 of 12 — near the bottom of Townsville's year. August is the month that works, and the swing between the two is 55 points, which is a different holiday rather than a slightly better one.

This is wet-season rain: 17 wet days and 6 genuinely heavy ones, which in this climate means concentrated downpours rather than all-day grey. The pattern is usually a clear morning and a loud afternoon, so front-load the day and stop fighting the 3pm hour. Pack for 32.4 °C days and 25.1 °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: 26 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest January day reached 41.3 °C and the coldest night fell to 19.5 °C, and the wettest single day dropped 135 mm — roughly 63% of the month's rain in one day.

January is moderately variable: 36 mm in the driest year against 548 mm in the wettest, around an average of 215 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.

Wind is light at 12.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.

How January sits in the year

Temperatures hold steady either side: 33.5 °C in December, 32.4 here, 31.7 in February. Nothing about the timing within the month matters much. Rain has already shifted: 7 days more than December had.

Daylight in January

January is at or near the longest days of Townsville's year: 13.2 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.

Sea temperature

The sea sits at about 28.8 °C in January — warm enough that the water offers no relief from the heat. This is the warmest the water gets all year.

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 Townsville versus nearby

If Townsville is one option among several, the nearby comparison is worth making. Airlie Beach is a better bet in January — 2.5 °C cooler, the same number of rain days. Cairns is close enough to be a coin toss — within a degree on temperature, 7 days more rain.

So: January is a compromise. August is 55 points better and is what Townsville 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 Townsville

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