The best times to visit Perth for ideal weather are

March 12th to May 20th


September 24th to December 23rd

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



Other Perth Travel Info

Weather in Perth


Average temperatures in Perth vary greatly. Considering humidity, temperatures feel very enjoyable all year with a low chance of precipitation most of the year. The area is somewhat temperate — in the 56th 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 Perth, the hottest months are January, February, and then March. See average monthly temperatures below. The warmest time of year is generally late January where highs are regularly around 92.5°F (33.6°C) with temperatures rarely dropping below 66.3°F (19.1°C) at night.

Perth Temperatures (Fahrenheit)


Perth Temperatures (Celsius)


“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.

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.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 90.8 77.3 64.4
Feb 90.3 76.9 64.5
Mar 85.9 72.9 60.6
Apr 79.1 67 55.2
May 71.9 60.3 48.7
Jun 67.4 56.4 45
Jul 65.3 54.7 43.5
Aug 67.6 56.8 45.5
Sep 69.4 59.1 47.5
Oct 75.7 64.1 52
Nov 80.5 68.6 56.8
Dec 85 72.6 60.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 32.7 25.2 18
Feb 32.4 24.9 18.1
Mar 29.9 22.7 15.9
Apr 26.2 19.4 12.9
May 22.2 15.7 9.3
Jun 19.7 13.6 7.2
Jul 18.5 12.6 6.4
Aug 19.8 13.8 7.5
Sep 20.8 15.1 8.6
Oct 24.3 17.8 11.1
Nov 26.9 20.3 13.8
Dec 29.4 22.6 15.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Perth are February, March, and then January. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early to mid January. For example, on the week of January 8th 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 3 days of 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.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 4% 0 0.4
Feb 3% 0 0.5
Mar 4% 0 0.7
Apr 12% 0 2
May 20% 0 3.3
Jun 29% 0 4.1
Jul 38% 0 5.5
Aug 30% 0 4
Sep 30% 0 3.4
Oct 10% 0 1.2
Nov 8% 0 1.1
Dec 5% 0 0.7

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 4 0 1
Feb 3 0 1.3
Mar 4 0 1.8
Apr 12 0 5.1
May 20 0 8.4
Jun 29 0 10.4
Jul 38 0 14
Aug 30 0 10.2
Sep 30 0 8.6
Oct 10 0 3
Nov 8 0 2.8
Dec 5 0 1.8


Humidity and Wind

Perth has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is January (41.3% relative humidity), and the most humid month is July (68.1%).

Wind in Perth is usually calm. The windiest month is January, followed by December and February. January’s average wind speed of around 7 knots (8.1 MPH or 13 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 early to mid January where average top sustained speeds reach 11.3 knots, which is considered a moderate breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 7 Gentle breeze 10.9 Gentle breeze
Feb 6.6 Light breeze 10.2 Gentle breeze
Mar 6 Light breeze 9.6 Gentle breeze
Apr 4.5 Light breeze 8.4 Gentle breeze
May 3.7 Barely noticeable 7.5 Gentle breeze
Jun 4.1 Light breeze 7.9 Gentle breeze
Jul 4.2 Light breeze 8.1 Gentle breeze
Aug 4.3 Light breeze 8.3 Gentle breeze
Sep 5.5 Light breeze 9.6 Gentle breeze
Oct 5.9 Light breeze 9.9 Gentle breeze
Nov 6.5 Light breeze 10.5 Gentle breeze
Dec 6.9 Light breeze 10.8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 41.3%
Feb 43.2%
Mar 45.1%
Apr 54.5%
May 62.4%
Jun 66.3%
Jul 68.1%
Aug 64.4%
Sep 58.7%
Oct 52.4%
Nov 47.4%
Dec 43.8%


Is it Safe to Travel to Perth?

Our best data indicates this area is generally safe. As of Dec 04, 2023 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 Nov 30, 2023.


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

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 somewhat 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 Perth Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 90.3°F (32.4°C) and 69.9°F (21.1°C) with colder temperatures in the later months. Rain is rare with 1 to 6 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 9 to 12 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 81.9°F (27.7°C) and 68.9°F (20.5°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 2 to 9 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 Perth to be enjoyable for warm weather travelers. The average high during this season is between 92.5°F (33.6°C) and 80°F (26.7°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are the busiest with tourists.


Best Times to TravelAustralia › Perth, Australia