Exmouth Weather and Climate
Climate Snapshot
Exmouth's warmest month in 2024 was December, averaging 36.4 degrees. That gives Exmouth an annual average daytime high of 31.5 degrees, 4.0 degrees warmer than the Western Australia mean.
Daytime highs peak at 36.4 degrees in December and bottom out with overnight lows of 16.9 degrees in July. That is a 19.5 degree spread from hottest afternoon to coldest night. Overnight minimums average 21.6 degrees across the year, 3.9 degrees warmer than the Western Australia average of 17.7.
Annual rainfall totals 157mm across 22 rain days, 72 percent drier than the Western Australia average. The wettest month is June at 57mm, and January is the driest at 0mm.
There is a pronounced wet-dry split here. June receives 57mm while January gets just 0mm, so the contrast between seasons is stark.
When we crunch the numbers on temperature, humidity, UV, and rainfall, July comes out as the sweet spot with a Comfort Score of 10.0 out of 10. December sits at the other end at 1.9.
Keep scrolling for the detailed monthly data, or head straight to July 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: 5.7/10 - Ranked #157 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 | 36.1 | 24.4 | 24 | 2.3 |
| Autumn | 32.2 | 23.3 | 18 | 5.4 |
| Winter | 25.3 | 17.7 | 63 | 9.5 |
| Spring | 32.1 | 20.9 | 52 | 5.6 |
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 Exmouth.
35.6°C, 0mm rain February
36.3°C, 9mm rain March
34.9°C, 6mm rain April
32.6°C, 8mm rain May
29.2°C, 4mm rain June
24.9°C, 57mm rain July
24.7°C, 3mm rain August
26.4°C, 3mm rain September
30.0°C, 51mm rain October
32.8°C, 0mm rain November
33.6°C, 1mm rain December
36.4°C, 15mm rain
Compare and Explore
Similar Climates
If you like Exmouth's climate, you might also consider: