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Margaret River, Western Australia climate

Csb Warm-summer Mediterranean

Margaret River has a mildly seasonal mild-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is February with an average daily high near 27°C, while the coldest is July averaging around 8°C at night. Precipitation totals about 986 mm a year and is strongly seasonal — July alone averages 197 mm while February barely receives 9 mm.

☀️ Summers

Warm

Highs near 27°C in February.

About 14 days a year above 32 °C

❄️ Winters

Cool

Lows near 8°C in July.

🌧️ Rain

Moderate rainfall

About 986 mm of rain a year.

Wettest in July

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

Margaret River climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	27	27	26	22	20	18	16	17	17	20	23	25
Avg temp (°C)	20	21	19	17	15	13	12	12	13	15	17	19
Avg low (°C)	14	14	13	11	10	9	8	8	9	9	11	13
Precipitation (mm)	12	9	—	64	136	179	197	159	114	62	36	17

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	27	27	26	22	20	18
Avg temp (°C)	20	21	19	17	15	13
Avg low (°C)	14	14	13	11	10	9
Precipitation (mm)	12	9	—	64	136	179

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	16	17	17	20	23	25
Avg temp (°C)	12	12	13	15	17	19
Avg low (°C)	8	8	9	9	11	13
Precipitation (mm)	197	159	114	62	36	17

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	4	5	8	14	18	20	23	23	20	17	10	7
Days with high ≥ 32°C (days)	3	4	2	0.1	—	—	—	—	—	0.0	1	3
Days with low ≤ 0°C (days)	—	—	—	—	0.0	0.1	0.2	—	—	—	—	—

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	4	5	8	14	18	20
Days with high ≥ 32°C (days)	3	4	2	0.1	—	—
Days with low ≤ 0°C (days)	—	—	—	—	0.0	0.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	23	23	20	17	10	7
Days with high ≥ 32°C (days)	—	—	—	0.0	1	3
Days with low ≤ 0°C (days)	0.2	—	—	—	—	—

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	50	51	56	64	67	70	69	68	69	64	60	56
Relative humidity (%)	68	68	70	72	74	76	76	77	76	76	73	69
Wind speed (km/h)	20.2	19.8	18.6	16.2	17.0	19.1	19.5	19.0	18.8	17.5	18.2	19.1

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	50	51	56	64	67	70
Relative humidity (%)	68	68	70	72	74	76
Wind speed (km/h)	20.2	19.8	18.6	16.2	17.0	19.1

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	69	68	69	64	60	56
Relative humidity (%)	76	77	76	76	73	69
Wind speed (km/h)	19.5	19.0	18.8	17.5	18.2	19.1

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 21 years of daily observations at Witchcliffe, a weather station, about 9 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →