Perth in March
Planning a trip to Perth in March? Here's the honest weather briefing for what autumn looks like on the ground.
Daytime highs average 29.3 degrees, dropping to 17.4 degrees overnight. That's a 12-degree swing between day and night. Comfortable during the day, with evenings that invite a light layer.
At 29.3 degrees, March runs 4.6 degrees above Perth's annual average of 24.7 degrees.
The rain data says 4mm over 1 days. Dry as a bone, really.
Sunshine-wise, March delivers around 22.2 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.
The Comfort Score for March comes in at 7.6/10, solidly pleasant.
For your suitcase: a mix of short and long sleeves, and serious sun protection.
The sea breeze usually kicks in by early afternoon in March, which is genuinely welcome. It can knock 3 to 5 degrees off the feels-like temperature.
Scroll down for the detailed climate data, or explore what nearby cities are like in March.
March at a Glance
Temperature Range
Daily temperature range in March. 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 March in Perth stacks up against major cities around the world.
About 17 degrees warmer and considerably drier.
About 19 degrees warmer and considerably drier.
About 15 degrees warmer and considerably drier.
How March Compares
Perth's monthly climate at a glance. March is highlighted.
| Month | Max | Min | Rain | Comfort |
|---|---|---|---|---|
| Jan | 30.2 | 19.1 | 1mm | 7.2 |
| Feb | 33.2 | 20.5 | 18mm | 4.8 |
| Mar | 29.3 | 17.4 | 4mm | 7.6 |
| Apr | 27.5 | 15.9 | 20mm | 8.2 |
| May | 24.4 | 14.6 | 94mm | 9.0 |
| Jun | 18.7 | 11.2 | 113mm | 4.9 |
| Jul | 18.0 | 10.9 | 154mm | 4.0 |
| Aug | 18.2 | 12.2 | 168mm | 4.1 |
| Sep | 20.6 | 11.1 | 27mm | 8.3 |
| Oct | 22.4 | 13.1 | 43mm | 9.7 |
| Nov | 24.9 | 14.9 | 25mm | 10.0 |
| Dec | 29.5 | 18.9 | 6mm | 7.5 |