Margaret River weather in May

In May, Margaret River sees average daytime highs of 19°C and overnight lows near 15°C, with 94 mm of rain across 10.9 wet days and about 10.3 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 18°C by the end. The sky is clear or mostly clear about 25% 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 9 h 54 min by month's end. Set against the rest of the year, May is Margaret River's 8th-clearest and 11th-windiest month. For the whole year in context, see Margaret River's year-round climate.

Daytime high
19°
7th warmest
Overnight low
15°
7th coldest
Rainfall
94 mm
10.9 wet days
Daylight
10 h 12 min
7:09 AM – 5:23 PM
Cloud cover
58%
8th clearest
Wind
20 km/h
11th windiest
Solar energy
2.64 kWh/m²
Travel score
6.0
out of 10

Margaret River is town in Western Australia.

Density
124/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 19°C in the first days to 18°C by the end.

A typical May day in Margaret River reaches about 19°C in the afternoon and slips back to 15°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 21°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

10°15°20°25°151015202531
Avg high (°C)Avg low (°C)
12015
22015
31915
41915
51915
61915
71915
81915
91915
101915
111915
121915
131915
141915
151915
161915
171915
181914
191914
201814
211814
221814
231814
241814
251814
261814
271814
281814
291814
301814
311814

Margaret River 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
Jan22° / 17°121.9148.4
Feb23° / 17°91.613.38.6
Mar22° / 17°223.312.38.0
Apr21° / 16°346.111.27.0
May19° / 15°9410.910.36.0
Jun17° / 13°13614.49.84.9
Jul16° / 13°15316.1104.4
Aug16° / 12°11514.110.74.5
Sep16° / 12°7812.311.84.8
Oct17° / 13°416.912.96.1
Nov19° / 14°265.113.87.1
Dec21° / 16°132.814.27.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% 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 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25050
35050
45050
55050
65050
75050
85050
95050
105050
115149
125149
135050
144951
155050
164852
174852
184951
194852
204753
214753
224753
234753
244753
254753
264654
274654
284654
294753
304753
314654

Chance of precipitation in May

Any precipitation

Margaret River gets around 94 mm of rain over 10.9 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 35% and peaks near 41% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
126
227
328
429
530
631
731
832
933
1034
1134
1235
1335
1435
1535
1636
1736
1836
1936
2036
2136
2237
2337
2438
2538
2639
2739
2840
2940
3041
3141

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 73% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
162317
262317
363307
463307
564297
664297
765287
865287
966277
1066277
1167267
1268266
1369256
1470246
1572235
1673225
1774215
1876204
1976204
2077194
2179183
2279183
2379183
2480173
2581172
2681172
2782162
2882162
2982162
3084151
3184151

Wind in May

Winds average 20 km/h in May.

Across May, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
119light breeze
219light breeze
319light breeze
419light breeze
520light breeze
620light breeze
720light breeze
820light breeze
920light breeze
1020light breeze
1120light breeze
1220light breeze
1320light breeze
1420light breeze
1520breezy
1620breezy
1720breezy
1820breezy
1920breezy
2020breezy
2120breezy
2221breezy
2321breezy
2421breezy
2521breezy
2621breezy
2721breezy
2821breezy
2921breezy
3021breezy
3122breezy

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 42 min at the start of May to 9 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over May. Sunrise moves from 6:57 AM to 7:19 AM, and sunset from 5:37 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.76:575:37
210.66:585:36
310.66:595:35
410.66:595:34
510.57:005:33
610.57:015:32
710.57:025:31
810.57:035:30
910.47:035:29
1010.47:045:28
1110.47:055:27
1210.37:065:26
1310.37:065:25
1410.37:075:25
1510.37:085:24
1610.27:095:23
1710.27:095:22
1810.27:105:22
1910.27:115:21
2010.17:125:20
2110.17:125:20
2210.17:135:19
2310.17:145:19
2410.17:155:18
2510.07:155:18
2610.07:165:17
2710.07:175:17
2810.07:175:16
2910.07:185:16
309.97:195:15
319.97:195:15

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.64 kWh/m².

For context, solar energy here swings from a low near 2.12 kWh/m² to a high of 7.83 kWh/m² in January across the year — May's 2.64 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.0Moderate
33.0Moderate
43.0Moderate
53.0Moderate
62.9Moderate
72.9Moderate
82.9Moderate
92.9Moderate
102.8Moderate
112.8Moderate
122.8Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.5Moderate
202.5Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.4Moderate
252.4Moderate
262.4Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.3Moderate
312.3Moderate
Planning a trip in May

Hazard calendar for Margaret River

In seasonPeak

In May, Margaret River sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Margaret River sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Margaret River'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 Margaret River?

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

6.0
Sightseeing
8th-best month of the year
2.4
Beach & pool
7th-best month of the year

May is a reasonable time to visit Margaret River for sightseeing.

What to pack for Margaret River in May

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

In May, Margaret River sees daytime highs around 19°C and nights near 15°C. Worth packing: rain gear and a windbreaker. About 11 days see rain.

rain geara windbreaker

Sea temperature near Margaret River 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 21 km away) is warmest in April at about 22°C and coldest in September near 18°C.

It's comfortable for a long swim from Dec 17 to Jul 8 — about 6.7 months when the water holds above 20°C.

16°18°20°22°24°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar22Refreshing
Apr22Refreshing
May21Refreshing
Jun21Refreshing
Jul20Cool
Aug19Cool
Sep18Cool
Oct18Cool
Nov19Cool
Dec20Refreshing

UV index in Margaret River 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 Margaret River peaks around January 12 at about 12 (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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 12UV 12Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep7Very high
Oct8Very high
Nov10Very high
Dec12Extreme
Location & terrain

Where is Margaret River?

Margaret River sits at 34.0°S, 115.1°E, 0 m above sea level, in Australia. The nearest listed city is Busselton, 42 km away.

Topography around Margaret River

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Margaret River.

Within 3 km, the terrain around Margaret River has only modest variations in elevation — a maximum elevation change of 80 m around an average of 92 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 191 m; within 80 km, significant variations in elevation — a maximum elevation change of 375 m.

The land around Margaret River is covered by trees (61%) and grassland (27%) within 3 km, trees (44%), grassland (34%) and water (21%) within 16 km, and water (51%) and trees (36%) within 80 km.

3 km
80 m
16 km
191 m
80 km
375 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Busselton 42 km · Bunbury 87 km · Australind 96 km · Mandurah 170 km · Baldivis 194 km · Rockingham 196 km · Kwinana 203 km · Byford 211 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 Margaret River (-33.955°, 115.076°, elevation 0 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).