Mackay in January
January is right in the heart of summer for Mackay, and the weather has a definite personality this time of year.
Daytime highs average 30.2 degrees, dropping to 25.4 degrees overnight. That's a 5-degree swing between day and night. Warm days and warm nights. It doesn't cool down much, even after sunset.
At 30.2 degrees, January runs 3.9 degrees above Mackay's annual average of 26.3 degrees.
The rain data says 172mm over 19 days. That's serious rainfall.
Sunshine-wise, January delivers around 24.3 MJ/m2 of daily solar radiation. UV sits in the extreme category. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
The Comfort Score is 4.4/10 for January. It's fine, but not the highlight of the calendar.
Packing tip: bring loose cotton or linen gear, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
The sea breeze usually kicks in by early afternoon in January, which is genuinely welcome. It can knock 3 to 5 degrees off the feels-like temperature.
Check the data table below for the full picture, or compare Mackay in January with another destination.
January at a Glance
Temperature Range
Daily temperature range in January. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- Light, breathable clothing and a wide-brimmed hat
- Proper rain gear for frequent showers
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How January in Mackay stacks up against major cities around the world.
About 22 degrees warmer and considerably wetter.
About 26 degrees warmer and considerably wetter.
About 20 degrees warmer and considerably wetter.
How January Compares
Mackay's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.2 | 25.4 | 172mm | 4.4 |
| Feb | 29.3 | 24.4 | 260mm | 4.6 |
| Mar | 28.1 | 24.3 | 142mm | 5.4 |
| Apr | 26.7 | 21.7 | 117mm | 6.9 |
| May | 23.9 | 19.7 | 70mm | 8.5 |
| Jun | 22.7 | 14.0 | 53mm | 9.1 |
| Jul | 21.6 | 14.6 | 20mm | 8.6 |
| Aug | 23.2 | 16.5 | 35mm | 9.4 |
| Sep | 25.5 | 18.7 | 11mm | 10.0 |
| Oct | 27.1 | 21.0 | 28mm | 8.8 |
| Nov | 28.6 | 23.7 | 136mm | 6.8 |
| Dec | 29.0 | 24.1 | 230mm | 5.1 |