Goolwa in December
If December is your window for visiting Goolwa, here's what the climate data says you can expect.
Expect the mercury to hit around 25.8 degrees during the day and settle at 15.2 degrees after dark. Comfortable during the day, with evenings that invite a light layer.
At 25.8 degrees, December runs 5.2 degrees above Goolwa's annual average of 20.6 degrees.
Rainfall in December averages 20mm over about 3 days. That means roughly a 10% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, December delivers around 26.7 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.
December earns a 10.0/10 on our Comfort Score. This is prime time.
Packing tip: bring t-shirts with a light layer for evenings, and serious sun protection.
Check the data table below for the full picture, or compare Goolwa in December with another destination.
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
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Goolwa stacks up against major cities around the world.
About 18 degrees warmer and considerably drier.
About 20 degrees warmer and considerably drier.
About 14 degrees warmer and considerably drier.
How December Compares
Goolwa's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 23.2 | 15.1 | 112mm | 9.7 |
| Feb | 25.3 | 15.0 | 1mm | 10.0 |
| Mar | 25.3 | 15.0 | 10mm | 10.0 |
| Apr | 18.6 | 11.4 | 22mm | 6.3 |
| May | 17.9 | 9.2 | 18mm | 5.8 |
| Jun | 14.6 | 7.9 | 76mm | 1.8 |
| Jul | 14.4 | 7.6 | 49mm | 2.4 |
| Aug | 18.2 | 9.6 | 35mm | 5.7 |
| Sep | 18.0 | 9.8 | 26mm | 6.1 |
| Oct | 21.8 | 12.2 | 26mm | 9.1 |
| Nov | 24.2 | 13.4 | 48mm | 10.0 |
| Dec | 25.8 | 15.2 | 20mm | 10.0 |