Weather in Airlie Beach in January
Australia · 20-year averages, January
Shoulder season. January sits in between. You will get good days and you will lose some. 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 Airlie Beach's year. August is the month that works, and the swing between the two is 43 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 29.9 °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: 14 days top 30 °C — hot spells arrive, but they break; the day barely swings — 4.7 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest January day reached 36 °C and the coldest night fell to 21.7 °C, and the wettest single day dropped 152 mm — roughly 69% of the month's rain in one day.
January is moderately variable: 37 mm in the driest year against 413 mm in the wettest, around an average of 219 mm. Roughly two Januarys in three land near that average, and the third does something else entirely.
Wind is light at 10.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 77%, high enough to notice on the warm days without dominating them.
How January sits in the year
Temperatures hold steady either side: 30.4 °C in December, 29.9 here, 29.6 in February. Nothing about the timing within the month matters much. Rain has already shifted: 6 days more than December had.
Daylight in January
January is at or near the longest days of Airlie Beach'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 28.4 °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 Airlie Beach versus nearby
If Airlie Beach is one option among several, the nearby comparison is worth making. Mackay is close enough to be a coin toss — within a degree on temperature, 1 day more rain. Townsville is the weaker option in January — 2.5 °C warmer, the same number of rain days.
So: January is a compromise. August is 43 points better and is what Airlie Beach 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 Airlie Beach
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 29.9 | 25.1 | 17 | 219 | 77 | 13.2 | 28.4 | 52 |
| February | 29.6 | 25.2 | 18 | 228 | 80 | 12.8 | 28.6 | 53 |
| March | 28.8 | 24.5 | 15 | 155 | 79 | 12.2 | 28.3 | 62 |
| April | 27.5 | 22.8 | 10 | 66 | 76 | 11.6 | 27.2 | 79 |
| May | 25.7 | 20.3 | 8 | 36 | 72 | 11.2 | 25.8 | 87 |
| June | 23.9 | 18.1 | 6 | 35 | 73 | 10.9 | 24.3 | 89 |
| July | 23.2 | 17.1 | 3 | 24 | 72 | 11 | 23.2 | 94 |
| August | 24.2 | 17.4 | 3 | 15 | 69 | 11.4 | 23.1 | 95 |
| September | 26.3 | 19.4 | 3 | 14 | 70 | 12 | 24 | 95 |
| October | 28.1 | 21.5 | 5 | 27 | 70 | 12.5 | 25.3 | 86 |
| November | 29.3 | 23.2 | 8 | 50 | 70 | 13.1 | 26.5 | 75 |
| December | 30.4 | 24.7 | 11 | 115 | 73 | 13.3 | 27.8 | 62 |
See all twelve months in Airlie Beach, or where else to go in January.
Planning the rest of the trip
- Where to eat & stay in Airlie Beach every café, restaurant and hotel
- Flight time to Airlie Beach how long you are actually in the air
- Airlie Beach time zone and the difference from home
- Days until your trip count down to the departure date
- Gyms & clubs in Airlie Beach keep training while you are there