The best times to visit Western Australia for ideal weather are

March 26th to June 17th

or

September 17th to November 25th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Western Australia Travel Info

Weather in Western Australia

Temperature

Average temperatures in Western Australia vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a low chance of precipitation most of the year. The area is more temperate than most — in the 63rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Western Australia, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally late January where highs are regularly around 91.4°F (33°C) with temperatures rarely dropping below 67.7°F (19.8°C) at night.

Western Australia Temperatures (Fahrenheit)

Key
High
Average
Low

Western Australia Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

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.

Western Australia Perceived Temperature (F)

Key
High
Average
Low

Western Australia Perceived Temperature (C)

Key
High
Average
Low

 

Average Western Australia 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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 90.7 78.3 66.9
Feb 90.4 78.2 67.4
Mar 87.2 75.4 64.4
Apr 82.7 71.1 59.8
May 76 64.8 53.7
Jun 71.2 60.5 49.7
Jul 69.8 59 47.9
Aug 72.9 61.1 49.1
Sep 76.5 64.5 52
Oct 82.1 69.6 57.2
Nov 85.4 73.1 61.2
Dec 87.8 75.6 64.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 32.6 25.7 19.4
Feb 32.4 25.7 19.7
Mar 30.7 24.1 18
Apr 28.2 21.7 15.4
May 24.4 18.2 12.1
Jun 21.8 15.8 9.8
Jul 21 15 8.8
Aug 22.7 16.2 9.5
Sep 24.7 18.1 11.1
Oct 27.8 20.9 14
Nov 29.7 22.8 16.2
Dec 31 24.2 17.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Western Australia are October, March, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late December. For example, on the week of December 24th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late July with an average of 2 days of significant precipitation the week of July 23rd.

When can you find snow in Western Australia? 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 Western Australia.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Western Australia (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 10% 0 2.4
Feb 10% 0 2
Mar 9% 0 1.8
Apr 10% 0 1.4
May 13% 0 2.2
Jun 17% 0 2.5
Jul 21% 0 3
Aug 15% 0 2
Sep 15% 0 1.8
Oct 8% 0 1
Nov 9% 0 1.1
Dec 9% 0 1.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 10 0 6.1
Feb 10 0 5.1
Mar 9 0 4.6
Apr 10 0 3.6
May 13 0 5.6
Jun 17 0 6.4
Jul 21 0 7.6
Aug 15 0 5.1
Sep 15 0 4.6
Oct 8 0 2.5
Nov 9 0 2.8
Dec 9 0 4.3

 

Humidity and Wind

Western Australia has some comfortably humid months, with slightly drier months on the other side of the year. The least humid month is November (46.5% relative humidity), and the most humid month is July (56.6%).

Wind in Western Australia is usually moderate. The windiest month is January, followed by December and February. January’s average wind speed of around 9.7 knots (11.2 MPH or 18 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late November to early December where average top sustained speeds reach 15.4 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Western Australia.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 9.7 Gentle breeze 15.2 Significant breeze
Feb 9.4 Gentle breeze 14.8 Significant breeze
Mar 8.5 Gentle breeze 13.7 Significant breeze
Apr 7.4 Gentle breeze 12.4 Significant breeze
May 7.2 Gentle breeze 12 Significant breeze
Jun 7.7 Gentle breeze 12.6 Significant breeze
Jul 7.7 Gentle breeze 12.7 Significant breeze
Aug 7.6 Gentle breeze 12.7 Significant breeze
Sep 8.6 Gentle breeze 14.1 Significant breeze
Oct 8.7 Gentle breeze 14.2 Significant breeze
Nov 9.3 Gentle breeze 14.9 Significant breeze
Dec 9.6 Gentle breeze 15.1 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 49.5%
Feb 50.4%
Mar 50.7%
Apr 51.4%
May 54%
Jun 56.6%
Jul 56.6%
Aug 53%
Sep 50.2%
Oct 47.9%
Nov 46.5%
Dec 47.8%

 

Is it Safe to Travel to Western Australia?

Our best data indicates this area is generally safe. As of Oct 07, 2019 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. This advisory was last updated on Aug 22, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Western Australia, 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 Western Australia 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

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 67.8 in November means 67.8% of the tourists vs. January.

 

 

Overall Western Australia Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 89.5°F (31.9°C) and 73.6°F (23.1°C) with colder temperatures in the later months. Rain is rare with 3 to 4 days of significant precipitation per month. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.

Winter (June through August)

The middle-year months have comfortably cool weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 7 days of precipitation per month. June – August is the slowest season for tourism in Western Australia, so lodging and other accommodations may cost less than usual.

Spring (September through November)

Spring daily highs range from 86°F (30°C) and 74.7°F (23.7°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 5 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Summer (December through February)

Weather is perfect this time of year in Western Australia to be enjoyable for warm weather travelers. The average high during this season is between 91.4°F (33°C) and 84.8°F (29.3°C). On average, it rains or snows a smalll amount: consistently 3 times per month. These times of year are the busiest with tourists.

 

Best Times to TravelAustralia › Western Australia, Australia