Karratha in January
January in Karratha is peak summer, and the weather reflects it. You're looking at average daily highs of 37.3 degrees.
The average daily maximum is 37.3 degrees with overnight lows of 26.6 degrees. Locals know to get things done early before the real heat kicks in.
At 37.3 degrees, January runs 3.3 degrees above Karratha's annual average of 34.0 degrees.
The rain data says 0mm over 0 days. That's barely a sprinkle.
Solar exposure averages 28.4 MJ/m2 per day in January, with UV levels in the extreme range. Sunscreen, hat, and sunnies are all essential. You can burn in under 10 minutes.
With a Comfort Score of 1.0/10, January is not the most comfortable time to visit.
Packing tip: bring loose cotton or linen gear, and SPF 50+ sunscreen and a hat.
Scroll down for the detailed climate data, or explore what nearby cities are like 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
- Cotton or linen fabrics to stay cool
- Strong sun protection including a hat and SPF 50+
Coming From Overseas?
How January in Karratha stacks up against major cities around the world.
About 29 degrees warmer and considerably drier.
About 33 degrees warmer and considerably drier.
About 27 degrees warmer and considerably drier.
How January Compares
Karratha's monthly climate at a glance. January is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 37.3 | 26.6 | 0mm | 1.0 |
| Feb | 38.8 | 27.4 | 6mm | 1.0 |
| Mar | 36.1 | 26.8 | 20mm | 2.1 |
| Apr | 34.0 | 23.1 | 61mm | 3.7 |
| May | 31.5 | 20.1 | 7mm | 5.6 |
| Jun | 27.1 | 16.7 | 28mm | 8.3 |
| Jul | 27.6 | 15.7 | 0mm | 8.4 |
| Aug | 29.8 | 17.4 | 13mm | 6.9 |
| Sep | 32.7 | 22.1 | 33mm | 5.0 |
| Oct | 36.6 | 23.8 | 0mm | 1.9 |
| Nov | 38.2 | 26.9 | 3mm | 1.0 |
| Dec | 38.7 | 27.8 | 10mm | 1.0 |