Perth Weather and Climate
Climate Snapshot
Perth's warmest month in 2024 was February, averaging 33.2 degrees. That gives Perth an annual average daytime high of 24.7 degrees, 2.8 degrees cooler than the Western Australia mean.
Daytime highs peak at 33.2 degrees in February and bottom out with overnight lows of 10.9 degrees in July. That is a 22.3 degree spread from hottest afternoon to coldest night. Overnight minimums average 15.0 degrees across the year, 2.7 degrees colder than the Western Australia average of 17.7.
Annual rainfall totals 673mm across 87 rain days, 21 percent wetter than the Western Australia average. The wettest month is August at 168mm, and January is the driest at 1mm.
If you want to dodge the rain, summer's your season. Winter is when the clouds really move in.
By our reckoning, November (10.0/10) is when the weather is at its finest, while July (4.0/10) is the toughest month to be outdoors.
Keep scrolling for the detailed monthly data, or head straight to November for the peak-comfort window.
Monthly Comfort Score
Our Comfort Score rates each month from 1 (tough) to 10 (ideal) based on temperature, humidity, rainfall, UV, and sunshine. How we calculate it
Annual Comfort Score: 7.1/10 - Ranked #42 of 213 Australian cities (national avg 6.2, WA avg 6.0)
Seasonal Overview
| Season | Avg Max °C | Avg Min °C | Total Rain mm | Comfort |
|---|---|---|---|---|
| Summer | 31.0 | 19.5 | 24 | 6.5 |
| Autumn | 27.1 | 16.0 | 119 | 8.3 |
| Winter | 18.3 | 11.4 | 435 | 4.3 |
| Spring | 22.6 | 13.0 | 95 | 9.3 |
Monthly Climate Averages
| Month | Max °C | Min °C | Rain mm | Rain Days | Solar MJ | Humidity % | Comfort |
|---|
Weather by Month
Detailed climate data, packing advice, and what to expect for each month in Perth.
30.2°C, 1mm rain February
33.2°C, 18mm rain March
29.3°C, 4mm rain April
27.5°C, 20mm rain May
24.4°C, 94mm rain June
18.7°C, 113mm rain July
18.0°C, 154mm rain August
18.2°C, 168mm rain September
20.6°C, 27mm rain October
22.4°C, 43mm rain November
24.9°C, 25mm rain December
29.5°C, 6mm rain
Compare and Explore
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