Best time to visit Perth
The best time to visit Perth for a beach holiday is during summer from late-November to early-March; however both spring and autumn are also pleasant.
Perth weather
Perth experiences a temperate Mediterranean climate with hot, dry summers and mild, wet winters.
Summer, from December to March, is hot and sunny, with cool nights. Perth sees average summer highs of 32°C (89°F) with minimal rainfall.
The famous Fremantle Doctor – an afternoon wind that blows in off the ocean daily between noon and 3pm – brings relief to the hot summer days.
Autumn, from April through May, is pleasant. During May, rainfall increases, and in the second half of the month it can get quite cold.
Winter, from June to August, is mild with frequent rainfall and colder nights.
Spring, from September to November, is usually mild, with rain and wind in September and October, while November is pleasant with little to no rainfall.
What is the best month to visit Perth?
November through March are the best months to visit Perth, since the weather is hot and sunny with mainly clear skies and little or no rainfall.
Which is the hottest month in Perth?
The hottest month in Perth is usually February, with an average high temperature of 32°C (89°F), with high heat and humidity and a low of 18°C (64°F).
However, on the warmest days of the month, the temperature may climb to 38°C (100°F).
The hot season lasts from mid-December to mid-March, with an average daily high temperature above 29°C (84°F).
Which is the coldest month in Perth?
The coldest month of the year at Perth is July, with an average high of 18°C (64°F) and a low of 8°C (46°F).
The cool season lasts from late-May to late-September, with an average daily high temperature below 20°C (68°F).
Which is the sunniest month in Perth?
The sunniest month in Perth is usually February with an average of 11.5 hours of sunshine per day; that's 87% of daylight hours on average.
Perth receives more than 3,200 hours of sunshine every year.
When is the sea warmest in Perth?
The sea is usually at its warmest in Perth in March when the water temperature averages 22°C (71°F), which is barely acceptable for swimming.
You can expect warmer water from mid-January to mid-May, with an average temperature of 22°C (71°F).
The time of year with cooler water lasts from August to early-November, with an average temperature below 20°C (60°F), which is cold for swimming.
Perth – Temperature averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average high temperature (°C) | |||||||||||
| 32 | 32 | 30 | 26 | 22 | 19 | 18 | 19 | 20 | 23 | 27 | 30 |
| Average low temperature (°C) | |||||||||||
| 18 | 18 | 17 | 14 | 10 | 9 | 8 | 8 | 10 | 12 | 14 | 16 |
| Average daily sunshine (hrs) | |||||||||||
| 11 | 10 | 9 | 8 | 7 | 6 | 6 | 7 | 8 | 9 | 10 | 11 |
| Average daily daylight (hrs) | |||||||||||
| 14 | 13 | 12 | 11 | 10 | 10 | 10 | 11 | 12 | 13 | 14 | 14 |
| Comfort level – heat | |||||||||||
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| Average sea temperature (°C) | |||||||||||
| 21 | 22 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 20 | 21 |
| Perth, Western Australia | |||||||||||
Weather station: Perth Metro WS, as well as Perth Airport (PER), located 11km (7mi) east of Perth CBD. Source: Bureau of Meteorology (BoM). Climate data collected during 1994 to 2024.
What is the humidity in Perth?
Perth experiences seasonal variation in perceived humidity, with approximate average relative humidity calculated at between 50% – 80% over the course of the year.
What do the humidity conditions feel like in Perth?
We derive the humidity comfort level – what conditions feel like – from the dew point temperature, which measures moisture content in the atmosphere: a higher dew point feels more humid, while a lower dew point feels drier.
Meteorologists agree that dew point temperature is a more consistant indication of 'absolute humidity' than relative humidity, which fluctuates with temperature.
The average annual dew point in Perth is 10°C (50°F), and varies over the course of the year from dry at 8°C (46°F) to comfortable at 12°C (53°F).
Typically, it feels comfortable all year round.
Perth – Humidity and UV averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average relative humidity (%) | |||||||||||
| 51 | 53 | 57 | 64 | 72 | 78 | 80 | 75 | 67 | 58 | 52 | 50 |
| UV Index (max) | |||||||||||
| 11+ | 11+ | 9 | 6 | 4 | 3 | 3 | 4 | 6 | 8 | 10 | 11+ |
Which month has the most rain in Perth?
July is usually the wettest month in Perth, with 142mm (5.5in) of rainfall on average, distributed across 15 days.
The rainy season lasts from early-May to late-September, with a greater than 23% chance of a given day being a wet day.
The drier season lasts from late-September to early-May. The month with the least rainfall in Perth is January.
Which is the windiest month in Perth?
The windiest month of the year in Perth is January, with an average hourly wind speed of 22 kilometres per hour (14 mph; 12 knots)..
The windy part of the year lasts from early-November through to mid-March, with average wind speeds of more than 19 kilometres per hour (12 mph; 10 knots).
The less-windy time of year lasts from mid-March to early-November. The calmest month of the year in Perth is April, with an average hourly wind speed of 18 kilometres per hour (11 mph; 10 knots).
The predominant average hourly wind direction varies throughout the year in Perth.
The Fremantle Doctor – During the summer months a strong breeze known locally as the Fremantle Doctor or the Doctor blows consistently from the southwest along the southern half of the west coast, usually from noon to 3pm.
Named the Fremantle Doctor because it appears to come from the nearby coastal city of Fremantle, the wind often cools the Perth suburbs by several degrees.
Nearer the coast the wind can be quite strong, often blowing between 28 and 37 kilometres per hour (17 – 23 mph; 15 – 20 knots) and making afternoon beach visits unpleasant.
The Fremantle Doctor is strongest in December and January, when the temperature differential between the land and ocean is greatest.
Perth – Rainfall and wind averages
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Average days of rainfall (≥1mm) | |||||||||||
| 1 | 1 | 2 | 5 | 9 | 12 | 15 | 13 | 11 | 5 | 4 | 2 |
| Average monthly rainfall (mm) | |||||||||||
| 2 | 3 | 12 | 26 | 86 | 121 | 142 | 123 | 80 | 38 | 20 | 4 |
| Average wind speed (km/h) | |||||||||||
| 22 | 22 | 20 | 18 | 20 | 20 | 20 | 19 | 19 | 20 | 21 | 22 |
Advice on the best time to visit a particular destination is based on average local weather statistics, when the weather conditions are generally better than at other times of the year. We consider high and low temperatures, risk of rain (and thunderstorms, etc.), amount of sunshine and sea temperature. For general outdoor activities we favour clear, rainless days with a temperature range between 18°C (64°F) and 27°C (80°F); and for hot-weather activities we favour clear, rainless days with a temperature range between 24°C (75°F) and 32°C (89°F). Often, the best times to visit correspond to high season and therefore involve higher prices.
Latest update: Best time to visit Perth: 19 July, 2024
Disclaimer: The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data and conditions at any given location and time are unpredictable and variable. We assume no responsibility and can not be held legally responsible for any decisions made on the basis of the information presented on this site.
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