Dunsborough Weather and Climate
Climate Snapshot
Dunsborough's warmest month in 2024 was February, averaging 29.7 degrees. That gives Dunsborough an annual average daytime high of 22.2 degrees, 5.3 degrees cooler than the Western Australia mean.
Daytime highs peak at 29.7 degrees in February and bottom out with overnight lows of 11.2 degrees in September. That is a 18.5 degree spread from hottest afternoon to coldest night. Overnight minimums average 14.2 degrees across the year, 3.5 degrees colder than the Western Australia average of 17.7.
Annual rainfall totals 695mm across 94 rain days, 25 percent wetter than the Western Australia average. The wettest month is July at 176mm, and January is the driest at 2mm.
If you want to dodge the rain, summer's your season. Winter is when the clouds really move in.
When we crunch the numbers on temperature, humidity, UV, and rainfall, April comes out as the sweet spot with a Comfort Score of 10.0 out of 10. July sits at the other end at 2.2.
Keep scrolling for the detailed monthly data, or head straight to April 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: 7.0/10 - Ranked #55 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 | 28.0 | 16.8 | 13 | 8.6 |
| Autumn | 24.1 | 15.3 | 129 | 8.8 |
| Winter | 16.9 | 12.5 | 455 | 2.9 |
| Spring | 19.8 | 12.4 | 98 | 7.7 |
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 Dunsborough.
28.2°C, 2mm rain February
29.7°C, 3mm rain March
26.5°C, 12mm rain April
24.6°C, 6mm rain May
21.2°C, 111mm rain June
17.4°C, 114mm rain July
16.5°C, 176mm rain August
16.8°C, 165mm rain September
17.8°C, 29mm rain October
19.9°C, 53mm rain November
21.8°C, 15mm rain December
26.1°C, 8mm rain
Compare and Explore
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