Kalgoorlie in January
January is right in the heart of summer for Kalgoorlie, and the weather has a definite personality this time of year.
Expect the mercury to hit around 34.5 degrees during the day and settle at 19.2 degrees after dark. Enough to keep you on your toes with the wardrobe. Comfortable during the day, with evenings that invite a light layer.
At 34.5 degrees, January runs 8.5 degrees above Kalgoorlie's annual average of 26.0 degrees.
Rainfall in January averages 15mm over about 5 days. That means roughly a 17% chance of rain on any given day, decent odds for a dry day.
Sunshine-wise, January delivers around 26.1 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.
January scores 3.8/10 on our Comfort Score. It's the tough end of the year weather-wise.
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 January.
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
- A light rain jacket just in case
- Strong sun protection including a hat and SPF 50+
- Extra layers for large temperature swings between day and night
Coming From Overseas?
How January in Kalgoorlie stacks up against major cities around the world.
About 26 degrees warmer and considerably drier.
About 30 degrees warmer and considerably drier.
About 24 degrees warmer and considerably drier.
How January Compares
Kalgoorlie's monthly climate at a glance. January 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 |