The best times to visit Perth for ideal weather are
August 27th to June 10th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Perth Travel Guide
Weather in Perth
Average temperatures in Perth vary very little and are temperate for much of the year. The area is in the top 37 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Perth, the hottest months are February, January, and then March. See average monthly temperatures below. The warmest time of year is generally mid-February where highs are regularly around 63.7°F (17.6°C) with temperatures rarely dropping below 48.4°F (9.1°C) at night.
Perth Temperatures (Fahrenheit)
Perth Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Perth Perceived Temperature (F)
Perth Perceived Temperature (C)
Average Perth Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of precipitation in Perth are July, August, and then June. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are only 0.2 days of precipitation on average. By contrast, it’s most likely to rain or snow in late July with an average of 4.5 days with significant precipitation the week of July 23rd.
When can you find snow in Perth? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Perth.
Snow on the Ground
The graph below shows the average snow on the ground in Perth (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Perth has slightly low to average humidity compared to most tourist destinations. The least humid month is February (49.6% relative humidity), and the most humid month is July (67.9%).
Wind in Perth is usually stronger than usual. The windiest month is January, followed by December and February. January’s average wind speed of around 12.8 knots (14.7 MPH or 23.7 KPH) is considered “moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January and early February where average top sustained speeds reach 18.5 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Perth.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots.
|Month||Avg. Wind||Meaning (Beaufort)||Avg. Maximum Sustained Wind||Meaning (Beufort)|
|Jan||12.8||a moderate breeze||18.1||a fresh breeze|
|Feb||12.1||a moderate breeze||17.5||a fresh breeze|
|Mar||11.4||a moderate breeze||16.7||a fresh breeze|
|Apr||10||a gentle breeze||14.7||a moderate breeze|
|May||9.9||a gentle breeze||14.2||a fresh breeze|
|Jun||10.9||a gentle breeze||15.2||a moderate breeze|
|Jul||10.8||a gentle breeze||15.6||a fresh breeze|
|Aug||10.2||a gentle breeze||15||a moderate breeze|
|Sep||11.4||a moderate breeze||16.6||a fresh breeze|
|Oct||11.1||a moderate breeze||16.2||a moderate breeze|
|Nov||12||a moderate breeze||17||a fresh breeze|
|Dec||12.6||a moderate breeze||17.9||a fresh breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Perth?
As of 5/2/2017 there are no travel advisories or warnings for Australia; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.
The Busiest and Least Crowded Months
The busiest month for tourism in Perth, Australia is January, followed by December and September. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Perth in November. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Perth Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 63.3°F (17.4°C) and 50.2°F (10.1°C) with colder temperatures in the later months. Rain is somewhat common with 4 to 11 days of precipitation per month. Fall is busy for tourism, which makes it a good time for those looking for things to do.
Winter (June through August)
The middle-year months have cold weather with high temperatures that are brisk. These months see moderate precipitation with 15 to 19 days of precipitation per month. June – August is the slowest season for tourism in Perth, so lodging and other accommodations may cost less than usual.
Spring (September through November)
Spring daily highs range from 57.4°F (14.1°C) and 48.6°F (9.2°C), which will feel comfortable given the humidity and wind. It rains or snows a great amount: 6 to 15 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be affordably priced.
Summer (December through February)
Weather is perfect this time of year in Perth to be enjoyable for warm weather travelers. The average high during this season is between 63.7°F (17.6°C) and 56.3°F (13.5°C). On average, it rains or snows a normal amount: 2 to 4 times per month. These times of year are the busiest with tourists.