Mandurah in Winter
In winter (June, July and August), Mandurah sees average daytime highs around 17°C and overnight lows near 11°C, with 319 mm of rain over about 36 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 17°C. The sky is clear or mostly clear about 33% of the time across winter, and the air most often feels dry.
Winter is Mandurah's weakest season of the year to visit on our travel score. For the whole year in context, see Mandurah's year-round climate.
- Avg daytime high
- 17°C
- coldest season of the year
- Avg overnight low
- 11°C
- Rainfall
- 319 mm
- 36 wet days
- Avg wind
- 17 km/h
- Travel score
- 5.5
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Mandurah in Winter
Across winter, daytime highs hold fairly steady around 17°C.
A typical winter day in Mandurah reaches about 17°C and drops to 11°C overnight. The warmest of the three months is June, the coolest August.
Mandurah weather by month
How the three winter months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 18° | 12 | 1.4 | 13.9 | 8.4 |
| Feb | 28° / 19° | 16 | 1.4 | 13.2 | 7.9 |
| Mar | 27° / 18° | 18 | 2.5 | 12.2 | 8.2 |
| Apr | 23° / 16° | 25 | 4.3 | 11.2 | 8.0 |
| May | 20° / 13° | 74 | 8.1 | 10.4 | 6.8 |
| Jun | 18° / 12° | 112 | 11.2 | 9.9 | 5.8 |
| Jul | 17° / 11° | 111 | 13.1 | 10.1 | 5.2 |
| Aug | 17° / 11° | 96 | 11.5 | 10.8 | 5.5 |
| Sep | 18° / 11° | 64 | 9.1 | 11.8 | 6.2 |
| Oct | 20° / 13° | 29 | 5 | 12.8 | 7.4 |
| Nov | 23° / 15° | 23 | 4.1 | 13.7 | 8.2 |
| Dec | 26° / 17° | 12 | 1.9 | 14.1 | 8.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 33% of the time across winter.
Chance of precipitation in Winter
Mandurah gets around 319 mm of rain over 36 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 17 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 10 hours in early June to 11 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 2.8 kWh/m².
Hazard calendar for Mandurah
In winter, Mandurah overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Mandurah sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Mandurah's rainy season runs May–September, when most of the year's rain falls.
Is winter a good time to visit Mandurah?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a reasonable time to visit Mandurah for sightseeing.
What to pack for Mandurah in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Mandurah sees daytime highs around 17°C and nights near 11°C. Worth packing: a warm layer and rain gear. About 36 days see rain.
Sea temperature near Mandurah in Winter
The nearest coast averages about 19°C across winter — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in February at about 22°C and coldest in September near 18°C.
It's comfortable for a long swim from Dec 4 to Jun 19 — about 6.5 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 22 | 22 | 22 | 22 | 21 | 20 | 19 | 18 | 18 | 18 | 19 | 21 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 22 | Refreshing |
| Feb | 22 | Refreshing |
| Mar | 22 | Refreshing |
| Apr | 22 | Refreshing |
| May | 21 | Refreshing |
| Jun | 20 | Refreshing |
| Jul | 19 | Cool |
| Aug | 18 | Cool |
| Sep | 18 | Cool |
| Oct | 18 | Cool |
| Nov | 19 | Cool |
| Dec | 21 | Refreshing |
UV index in Mandurah in Winter
Clear-sky midday UV across winter averages around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mandurah peaks around January 1 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 12 | 10 | 6 | 4 | 3 | 3 | 5 | 8 | 9 | 10 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | Very high | Very high | Very high | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 12 | Extreme |
| Mar | 10 | Extreme |
| Apr | 6 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 5 | Moderate |
| Sep | 8 | Very high |
| Oct | 9 | Very high |
| Nov | 10 | Very high |
| Dec | 13 | Extreme |
Where is Mandurah?
Mandurah sits at 32.5°S, 115.7°E, 4 m above sea level, in Australia. The nearest listed city is Baldivis, 24 km away.
Topography around Mandurah
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mandurah.
Within 3 km, the terrain around Mandurah has only modest variations in elevation — a maximum elevation change of 29 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 44 m; within 80 km, significant variations in elevation — a maximum elevation change of 568 m.
The land around Mandurah is covered by artificial surfaces (48%) and water (37%) within 3 km, water (54%) and grassland (21%) within 16 km, and trees (42%) and water (38%) within 80 km.
Australia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type I
- 230 V · 50 Hz
- Prices
- ≈ 90% of US
- price level, 2025
- GDP per capita
- $65,130
- 2025
- Happiness
- 6.9 / 10
- World Happiness, 2025
- Homicide rate
- 0.9
- per 100k, 2023
- Road deaths
- 4.9
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mandurah (-32.5269°, 115.7217°, elevation 4 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.