The best times to visit Swansea for ideal weather are
March 5th to May 6th
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.
Swansea Travel Guide
Other Swansea Travel Info
Weather in Swansea
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)
Swansea 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.
Swansea Perceived Temperature (F)
Swansea Perceived Temperature (C)
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.
|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 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.
Snow on the Ground
The graph below shows the average snow on the ground in Swansea (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
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.
The graph below shows wind speed (max and average) in knots.
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|
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
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.