Griffith in December
December in Griffith is peak summer, and the weather reflects it. You're looking at average daily highs of 31.7 degrees.
Expect the mercury to hit around 31.7 degrees during the day and settle at 17.8 degrees after dark. Enough to keep you on your toes with the wardrobe. Comfortable during the day, with evenings that invite a light layer.
December is 7.9 degrees warmer than the yearly average here.
Rainfall in December averages 26mm over about 2 days. That means roughly a 7% chance of rain on any given day, so you can leave the umbrella at the hotel.
Sunshine-wise, December delivers around 30.3 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.
At 5.8/10 on the Comfort Score, December is middle of the road.
Packing tip: bring loose cotton or linen gear, something warmer for mornings and evenings, and serious sun protection.
The full data breakdown is below. You can also see how other Australian cities compare 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
- Light, breathable clothing and a wide-brimmed hat
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
Coming From Overseas?
How December in Griffith stacks up against major cities around the world.
About 24 degrees warmer and considerably drier.
About 26 degrees warmer and considerably drier.
About 20 degrees warmer and considerably drier.
How December Compares
Griffith's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 31.0 | 19.2 | 71mm | 5.8 |
| Feb | 32.7 | 18.5 | 37mm | 5.1 |
| Mar | 30.8 | 17.2 | 26mm | 6.3 |
| Apr | 21.8 | 10.3 | 50mm | 8.6 |
| May | 18.3 | 7.8 | 103mm | 5.4 |
| Jun | 14.1 | 4.7 | 20mm | 2.4 |
| Jul | 13.8 | 5.3 | 35mm | 2.2 |
| Aug | 17.9 | 7.3 | 29mm | 5.7 |
| Sep | 19.9 | 8.0 | 25mm | 7.8 |
| Oct | 24.5 | 11.5 | 23mm | 10.0 |
| Nov | 29.7 | 15.7 | 81mm | 6.6 |
| Dec | 31.7 | 17.8 | 26mm | 5.8 |