Mackay in December
So, what's Mackay actually like in December? In a word: summery. It's summer, and the days are averaging 29.0 degrees.
Expect the mercury to hit around 29.0 degrees during the day and settle at 24.1 degrees after dark. The temperature stays pretty consistent through the day. Warm days and warm nights. It doesn't cool down much, even after sunset.
December is 2.7 degrees warmer than the yearly average here.
Rainfall in December averages 230mm over about 17 days. That means roughly a 57% chance of rain on any given day, so definitely bring rain gear.
Sunshine-wise, December delivers around 22.5 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 5.1/10 for December. It's fine, but not the highlight of the calendar.
Packing tip: bring t-shirts with a light layer for evenings, a rain jacket or compact umbrella, and SPF 50+ sunscreen and a hat.
Being on the coast is a blessing in December. The afternoon sea breeze is nature's air conditioning.
Scroll down for the detailed climate data, or explore what nearby cities are like in December.
December at a Glance
Temperature Range
Daily temperature range in December. The bar shows the typical spread between overnight lows and afternoon highs.
What to Pack
- T-shirts and shorts for daytime
- A waterproof jacket or compact umbrella
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Mackay stacks up against major cities around the world.
About 21 degrees warmer and considerably wetter.
About 23 degrees warmer and considerably wetter.
About 17 degrees warmer and considerably wetter.
How December Compares
Mackay's monthly climate at a glance. December 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 |