The best times to visit Cardiff for ideal weather are

August 20th to November 4th

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



Other Cardiff Travel Info

Weather in Cardiff


Average temperatures in Cardiff vary somewhat. Considering humidity, temperatures feel very enjoyable all year with a fair chance of precipitation about half of the year. The area is more temperate than most — in the 68th 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 Cardiff, 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 78.5°F (25.8°C) with temperatures rarely dropping below 68.5°F (20.3°C) at night.

Cardiff Temperatures (Fahrenheit)


Cardiff 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.

Cardiff Perceived Temperature (F)


Cardiff Perceived Temperature (C)



Average Cardiff 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 78 72.2 67.8
Feb 77 71.9 67.7
Mar 77 70.9 65.5
Apr 72.7 66.5 59.8
May 68.9 61.4 54
Jun 64.1 57.6 51.2
Jul 63 55.6 48.4
Aug 65.8 57.8 49.7
Sep 70 62.2 54.3
Oct 73.1 65.4 58.7
Nov 74.6 68.2 63.2
Dec 75.6 70 65.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 25.6 22.3 19.9
Feb 25 22.2 19.8
Mar 25 21.6 18.6
Apr 22.6 19.2 15.4
May 20.5 16.3 12.2
Jun 17.8 14.2 10.7
Jul 17.2 13.1 9.1
Aug 18.8 14.3 9.8
Sep 21.1 16.8 12.4
Oct 22.8 18.6 14.8
Nov 23.7 20.1 17.3
Dec 24.2 21.1 18.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Cardiff are August, October, 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 mid August. For example, on the week of August 13th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early September with an average of 2 days of significant precipitation the week of September 3rd.

When can you find snow in Cardiff? 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 Cardiff.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 16% 0 2.3
Feb 22% 0 4.4
Mar 19% 0 3.1
Apr 28% 0 6
May 19% 0 3.7
Jun 24% 0 5.9
Jul 18% 0 2.3
Aug 12% 0 1.9
Sep 18% 0 2.2
Oct 14% 0 2
Nov 22% 0 3.6
Dec 15% 0 2.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 16 0 5.8
Feb 22 0 11.2
Mar 19 0 7.9
Apr 28 0 15.2
May 19 0 9.4
Jun 24 0 15
Jul 18 0 5.8
Aug 12 0 4.8
Sep 18 0 5.6
Oct 14 0 5.1
Nov 22 0 9.1
Dec 15 0 6.4


Humidity and Wind

Cardiff has some very humid months, with other comfortably humid months. The least humid month is August (57.4% relative humidity), and the most humid month is February (76%).

Wind in Cardiff is usually moderate. The windiest month is December, followed by January and November. December’s average wind speed of around 11.5 knots (13.2 MPH or 21.3 KPH) is considered “a moderate breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid December where average top sustained speeds reach 19.2 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 11.2 Significant breeze 17.7 Strong breeze
Feb 10.9 Gentle breeze 17.1 Strong breeze
Mar 10.5 Gentle breeze 16.4 Strong breeze
Apr 10.2 Gentle breeze 15.9 Significant breeze
May 9.9 Gentle breeze 15 Strong breeze
Jun 11.1 Significant breeze 16.6 Significant breeze
Jul 10.7 Gentle breeze 16.5 Strong breeze
Aug 10.9 Gentle breeze 16.8 Significant breeze
Sep 10.9 Gentle breeze 17.7 Strong breeze
Oct 11 Significant breeze 17.8 Strong breeze
Nov 11.2 Significant breeze 18 Strong breeze
Dec 11.5 Significant breeze 18.2 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 72.3%
Feb 76%
Mar 71.5%
Apr 70%
May 65.9%
Jun 68.7%
Jul 63%
Aug 57.4%
Sep 58.5%
Oct 63.4%
Nov 73.1%
Dec 70.7%


Is it Safe to Travel to Cardiff?

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 Cardiff, NW, Australia is August, followed by February and May. 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 Cardiff in July. 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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 81 in July means 81% of the tourists vs. August.



Overall Cardiff Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 77.9°F (25.5°C) and 66.4°F (19.1°C) with colder temperatures in the later months. Rain is somewhat common with 6 to 8 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 brisk. These months see the least precipitation with 4 to 7 days of precipitation per month. June – August is fairly slow season for tourism in Cardiff, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 76.4°F (24.7°C) and 67°F (19.4°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 7 days per month. Tourism is the slowest 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 Cardiff to be enjoyable for warm weather travelers. The average high during this season is between 78.5°F (25.8°C) and 75.1°F (23.9°C). On average, it rains or snows a fair amount: 5 to 6 times per month. These times of year are the busiest with tourists.


Best Times to TravelAustralia › Cardiff, NW, Australia