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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 81°F, while the coldest is July averaging around 47°F at night. Precipitation totals about 39 inches a year and is strongly seasonal — July alone averages 7.8 inches while February barely receives 0.34 inches.
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figuresHours 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 (°F) | 80 | 81 | 78 | 72 | 67 | 64 | 62 | 62 | 63 | 67 | 73 | 77 |
| Avg temp (°F) | 68 | 69 | 67 | 62 | 58 | 56 | 54 | 54 | 56 | 58 | 62 | 66 |
| Avg low (°F) | 57 | 58 | 56 | 52 | 49 | 48 | 47 | 47 | 48 | 49 | 52 | 55 |
| Precipitation (in) | 0.5 | 0.3 | — | 2.5 | 5.4 | 7.0 | 7.8 | 6.3 | 4.5 | 2.4 | 1.4 | 0.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 80 | 81 | 78 | 72 | 67 | 64 |
| Avg temp (°F) | 68 | 69 | 67 | 62 | 58 | 56 |
| Avg low (°F) | 57 | 58 | 56 | 52 | 49 | 48 |
| Precipitation (in) | 0.5 | 0.3 | — | 2.5 | 5.4 | 7.0 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 62 | 62 | 63 | 67 | 73 | 77 |
| Avg temp (°F) | 54 | 54 | 56 | 58 | 62 | 66 |
| Avg low (°F) | 47 | 47 | 48 | 49 | 52 | 55 |
| Precipitation (in) | 7.8 | 6.3 | 4.5 | 2.4 | 1.4 | 0.7 |
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 ≥ 90°F (days) | 3 | 4 | 2 | 0.1 | — | — | — | — | — | 0.0 | 1 | 3 |
| Days with low ≤ 32°F (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 ≥ 90°F (days) | 3 | 4 | 2 | 0.1 | — | — |
| Days with low ≤ 32°F (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 ≥ 90°F (days) | — | — | — | 0.0 | 1 | 3 |
| Days with low ≤ 32°F (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 (mph) | 12.6 | 12.3 | 11.6 | 10.1 | 10.6 | 11.9 | 12.1 | 11.8 | 11.7 | 10.9 | 11.3 | 11.9 |
| 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 (mph) | 12.6 | 12.3 | 11.6 | 10.1 | 10.6 | 11.9 |
| 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 (mph) | 12.1 | 11.8 | 11.7 | 10.9 | 11.3 | 11.9 |
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.