Kalgoorlie in December
Planning a trip to Kalgoorlie in December? Here's the honest weather briefing for what summer looks like on the ground.
The average daily maximum is 34.2 degrees with overnight lows of 18.3 degrees. Comfortable during the day, with evenings that invite a light layer.
December is 8.2 degrees warmer than the yearly average here.
Rainfall in December averages 65mm over about 5 days. That means roughly a 17% chance of rain on any given day, decent odds for a dry day.
Sunshine-wise, December delivers around 30.0 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.
With a Comfort Score of 3.7/10, December is not the most comfortable time to visit.
Packing tip: bring loose cotton or linen gear, something warmer for mornings and evenings, a rain jacket or compact umbrella, 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
- A light rain jacket just in case
- High SPF sunscreen (50+), sunglasses, and UV-protective clothing
- Extra layers for large temperature swings between day and night
Coming From Overseas?
How December in Kalgoorlie stacks up against major cities around the world.
About 26 degrees warmer and considerably wetter.
About 28 degrees warmer and considerably drier.
About 22 degrees warmer and considerably wetter.
How December Compares
Kalgoorlie's monthly climate at a glance. December is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 34.5 | 19.2 | 15mm | 3.8 |
| Feb | 35.1 | 19.8 | 15mm | 3.5 |
| Mar | 26.1 | 15.7 | 45mm | 8.9 |
| Apr | 23.3 | 12.0 | 20mm | 10.0 |
| May | 23.5 | 11.4 | 10mm | 10.0 |
| Jun | 17.0 | 8.8 | 83mm | 4.1 |
| Jul | 16.5 | 6.2 | 39mm | 4.7 |
| Aug | 20.4 | 8.6 | 15mm | 7.9 |
| Sep | 23.6 | 9.7 | 8mm | 10.0 |
| Oct | 29.7 | 14.1 | 5mm | 7.3 |
| Nov | 28.7 | 14.7 | 64mm | 7.5 |
| Dec | 34.2 | 18.3 | 65mm | 3.7 |