The best times to visit Swansea for ideal weather are

March 5th to May 6th

or

September 10th to December 16th

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

 

 


Other Swansea Travel Info

Weather in Swansea

Temperature

Average temperatures in Swansea vary somewhat. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a fair chance of precipitation about half of the year. The area is somewhat temperate — in the 50th 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 Swansea, 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 84.1°F (28.9°C) with temperatures rarely dropping below 64.5°F (18.1°C) at night.

Swansea Temperatures (Fahrenheit)

Key
High
Average
Low

Swansea 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.

Swansea Perceived Temperature (F)

Key
High
Average
Low

Swansea Perceived Temperature (C)

Key
High
Average
Low

 

Average Swansea 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 83.5 72.8 61.8
Feb 81.9 71.6 61.9
Mar 80.1 68.9 58.1
Apr 74.6 62.8 51.8
May 69.6 56.6 44.5
Jun 65 53.3 42.7
Jul 64.4 51.7 39.3
Aug 67.3 53.1 39
Sep 72.8 58.9 44.4
Oct 75.9 63.1 49.5
Nov 79 67.7 56.1
Dec 80.4 69.6 58.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 28.6 22.7 16.6
Feb 27.7 22 16.6
Mar 26.7 20.5 14.5
Apr 23.7 17.1 11
May 20.9 13.7 6.9
Jun 18.3 11.8 5.9
Jul 18 10.9 4.1
Aug 19.6 11.7 3.9
Sep 22.7 14.9 6.9
Oct 24.4 17.3 9.7
Nov 26.1 19.8 13.4
Dec 26.9 20.9 14.7

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Swansea are August, October, and then July. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid October. For example, on the week of October 15th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.

When can you find snow in Swansea? 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 Swansea.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Swansea (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 19% 0 4.3
Feb 26% 0 5.7
Mar 24% 0 4.3
Apr 22% 0 4
May 15% 0 2.3
Jun 23% 0 4.3
Jul 12% 0 1.8
Aug 11% 0 1.7
Sep 14% 0 2.4
Oct 11% 0 1.9
Nov 25% 0 5.3
Dec 20% 0 3.4

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 19 0 10.9
Feb 26 0 14.5
Mar 24 0 10.9
Apr 22 0 10.2
May 15 0 5.8
Jun 23 0 10.9
Jul 12 0 4.6
Aug 11 0 4.3
Sep 14 0 6.1
Oct 11 0 4.8
Nov 25 0 13.5
Dec 20 0 8.6

 

Humidity and Wind

Swansea has some very humid months, with other comfortably humid months. The least humid month is September (58.2% relative humidity), and the most humid month is June (72.9%).

Wind in Swansea is usually extremely calm. The windiest month is January, followed by December and November. January’s average wind speed of around 3.4 knots (3.9 MPH or 6.2 KPH) is considered “light air.” 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 8.6 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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 3.4 Barely noticeable 8.2 Gentle breeze
Feb 2.8 Barely noticeable 7.1 Gentle breeze
Mar 2.3 Barely noticeable 6.3 Gentle breeze
Apr 1.8 Barely noticeable 5.5 Light breeze
May 1.9 Barely noticeable 5.3 Gentle breeze
Jun 2 Barely noticeable 5.2 Light breeze
Jul 2.2 Barely noticeable 5.7 Gentle breeze
Aug 2.7 Barely noticeable 7 Gentle breeze
Sep 3 Barely noticeable 7.8 Gentle breeze
Oct 3 Barely noticeable 7.8 Gentle breeze
Nov 3.1 Barely noticeable 7.7 Gentle breeze
Dec 3.2 Barely noticeable 8 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 66.9%
Feb 71.4%
Mar 70.8%
Apr 72.7%
May 70.2%
Jun 72.9%
Jul 66.9%
Aug 60.2%
Sep 58.2%
Oct 62%
Nov 66.6%
Dec 65.1%

 

Is it Safe to Travel to Swansea?

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 Swansea, 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 Swansea 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

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 somewhat 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 Swansea Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 81.4°F (27.4°C) and 66.4°F (19.1°C) with colder temperatures in the later months. Rain is somewhat common with 5 to 7 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 cold weather with high temperatures that are comfortable. These months see the least precipitation with 3 to 7 days of precipitation per month. June – August is fairly slow season for tourism in Swansea, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 80.8°F (27.1°C) and 69.5°F (20.8°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 3 to 8 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 Swansea to be enjoyable for warm weather travelers. The average high during this season is between 84.1°F (28.9°C) and 79.5°F (26.4°C). On average, it rains or snows a fair amount: 6 to 7 times per month. These times of year are the busiest with tourists.

 

Best Times to TravelAustralia › Swansea, NW, Australia