Mandurah weather in May

In May, Mandurah sees average daytime highs of 20°C and overnight lows near 13°C, with 74 mm of rain across 8.1 wet days and about 10.4 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 40% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of May to 10 hours by month's end. Set against the rest of the year, May is Mandurah's 8th-clearest and 11th-windiest month. For the whole year in context, see Mandurah's year-round climate.

Daytime high
20°
7th warmest
Overnight low
13°
6th coldest
Rainfall
74 mm
8.1 wet days
Daylight
10 h 18 min
7:03 AM – 5:23 PM
Cloud cover
48%
8th clearest
Wind
15 km/h
11th windiest
Solar energy
3.1 kWh/m²
Travel score
6.8
out of 10

Mandurah is city in Western Australia.

Density
1,010/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 19°C by the end.

A typical May day in Mandurah reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12214
22214
32214
42214
52114
62114
72114
82114
92114
102114
112114
122113
132113
142113
152013
162013
172013
182013
192013
202013
212013
222013
232013
242013
251913
261913
271912
281912
291912
301912
311912

Mandurah weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 18°121.413.98.4
Feb28° / 19°161.413.27.9
Mar27° / 18°182.512.28.2
Apr23° / 16°254.311.28.0
May20° / 13°748.110.46.8
Jun18° / 12°11211.29.95.8
Jul17° / 11°11113.110.15.2
Aug17° / 11°9611.510.85.5
Sep18° / 11°649.111.86.2
Oct20° / 13°29512.87.4
Nov23° / 15°234.113.78.2
Dec26° / 17°121.914.18.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 36%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26436
36436
46436
56436
66337
76436
86436
96436
106436
116535
126535
136535
146535
156535
166535
176535
186535
196535
206535
216436
226436
236436
246337
256337
266337
276337
286238
296238
306238
316238

Chance of precipitation in May

Any precipitation

Mandurah gets around 74 mm of rain over 8.1 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 30% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
119
220
321
421
522
623
723
824
924
1025
1126
1226
1327
1427
1527
1627
1728
1828
1928
2028
2128
2228
2328
2429
2529
2629
2729
2829
2929
3030
3130

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 74% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
166277
266277
367267
467267
568257
668257
768257
869256
969256
1069256
1170255
1271245
1371245
1472244
1573234
1673234
1775223
1875223
1976213
2077212
2178202
2279192
2379192
2480182
2580182
2681172
2782171
2883161
2983161
3083161
3184151

Wind in May

Winds average 15 km/h in May.

Across May, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 42 min at the start of May to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 6:52 AM to 7:13 AM, and sunset from 5:36 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:525:36
210.76:535:35
310.76:545:34
410.66:555:33
510.66:555:32
610.66:565:32
710.66:575:31
810.56:575:30
910.56:585:29
1010.56:595:28
1110.57:005:27
1210.47:005:26
1310.47:015:26
1410.47:025:25
1510.47:035:24
1610.37:035:23
1710.37:045:23
1810.37:055:22
1910.37:055:21
2010.27:065:21
2110.27:075:20
2210.27:085:20
2310.27:085:19
2410.27:095:19
2510.17:105:18
2610.17:105:18
2710.17:115:17
2810.17:115:17
2910.17:125:16
3010.17:135:16
3110.07:135:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.1 kWh/m².

For context, solar energy here swings from a low near 2.48 kWh/m² to a high of 8.35 kWh/m² in December across the year — May's 3.1 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.8Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Hazard calendar for Mandurah

In seasonPeak

In May, Mandurah sits inside 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.

Cyclone
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Mandurah?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.8
Sightseeing
8th-best month of the year
3.8
Beach & pool
8th-best month of the year

May is a reasonable time to visit Mandurah for sightseeing.

What to pack for Mandurah in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Mandurah sees daytime highs around 20°C and nights near 13°C. Worth packing: rain gear. About 8 days see rain.

rain gear

Sea temperature near Mandurah in May

The nearest coast averages about 21°C in May — 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.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan22Refreshing
Feb22Refreshing
Mar22Refreshing
Apr22Refreshing
May21Refreshing
Jun20Refreshing
Jul19Cool
Aug18Cool
Sep18Cool
Oct18Cool
Nov19Cool
Dec21Refreshing

UV index in Mandurah in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeModerateVery highExtremeJan 1UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb12Extreme
Mar10Extreme
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep8Very high
Oct9Very high
Nov10Very high
Dec13Extreme
Location & terrain

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.

3 km
29 m
16 km
44 m
80 km
568 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Baldivis 24 km · Rockingham 28 km · Kwinana 33 km · Byford 43 km · Willetton 55 km · Canning Vale 55 km · Gosnells 56 km · Thornlie 56 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
none 38%Roman Catholic 20%Protestant 18%other Christian 4%

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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).