The best times to visit Williamtown for ideal weather are

February 12th to May 13th

or

August 27th to November 18th

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

 

 


Other Williamtown Travel Info

Weather in Williamtown

Temperature

Average temperatures in Williamtown 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 Williamtown, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally mid January where highs are regularly around 86°F (30°C) with temperatures rarely dropping below 62.3°F (16.8°C) at night.

Williamtown Temperatures (Fahrenheit)

Key
High
Average
Low

Williamtown 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.

Williamtown Perceived Temperature (F)

Key
High
Average
Low

Williamtown Perceived Temperature (C)

Key
High
Average
Low

 

Average Williamtown 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 85.1 74.1 63.2
Feb 82.6 72.7 63
Mar 80.8 70.1 59.5
Apr 74.4 63.9 53.8
May 69.7 58.2 48.1
Jun 64.6 54.7 45.6
Jul 63.7 52.7 42.2
Aug 67.5 55 42.5
Sep 73 60.4 46.9
Oct 77.5 64.8 51.1
Nov 80.3 69 57.8
Dec 81.6 71 60.4

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 29.5 23.4 17.3
Feb 28.1 22.6 17.2
Mar 27.1 21.2 15.3
Apr 23.6 17.7 12.1
May 20.9 14.6 8.9
Jun 18.1 12.6 7.6
Jul 17.6 11.5 5.7
Aug 19.7 12.8 5.8
Sep 22.8 15.8 8.3
Oct 25.3 18.2 10.6
Nov 26.8 20.6 14.3
Dec 27.6 21.7 15.8

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Williamtown are August, January, and then October. 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 is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early April with an average of 3 days of significant precipitation the week of April 2nd.

When can you find snow in Williamtown? 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 Williamtown.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Williamtown (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 15% 0 2.7
Feb 23% 0 5
Mar 19% 0 3.3
Apr 29% 0 6.9
May 21% 0 3.7
Jun 27% 0 5.6
Jul 19% 0 2.7
Aug 12% 0 1.9
Sep 17% 0 2.6
Oct 15% 0 2.3
Nov 27% 0 4.2
Dec 19% 0 2.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 15 0 6.9
Feb 23 0 12.7
Mar 19 0 8.4
Apr 29 0 17.5
May 21 0 9.4
Jun 27 0 14.2
Jul 19 0 6.9
Aug 12 0 4.8
Sep 17 0 6.6
Oct 15 0 5.8
Nov 27 0 10.7
Dec 19 0 7.4

 

Humidity and Wind

Williamtown has some very humid months, with other comfortably humid months. The least humid month is September (56.1% relative humidity), and the most humid month is April (71.7%).

Wind in Williamtown is usually moderate. The windiest month is January, followed by December and August. January’s average wind speed of around 8.9 knots (10.3 MPH or 16.5 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 September where average top sustained speeds reach 18.4 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 8.9 Gentle breeze 16.8 Significant breeze
Feb 8.2 Gentle breeze 16.1 Significant breeze
Mar 7.5 Gentle breeze 15.3 Significant breeze
Apr 7.1 Gentle breeze 14.8 Significant breeze
May 7.4 Gentle breeze 14.4 Significant breeze
Jun 8.4 Gentle breeze 15.7 Significant breeze
Jul 8.5 Gentle breeze 16.1 Significant breeze
Aug 8.6 Gentle breeze 16.9 Significant breeze
Sep 8.2 Gentle breeze 17.1 Significant breeze
Oct 8.1 Gentle breeze 16.7 Significant breeze
Nov 8.4 Gentle breeze 16.8 Significant breeze
Dec 8.7 Gentle breeze 17.1 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 64.1%
Feb 69%
Mar 68.3%
Apr 71.7%
May 69%
Jun 71.5%
Jul 64.7%
Aug 57.1%
Sep 56.1%
Oct 57.8%
Nov 64.6%
Dec 63.7%

 

Is it Safe to Travel to Williamtown?

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 Williamtown, 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 Williamtown 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 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 Williamtown Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 82.4°F (28°C) and 67.1°F (19.5°C) with colder temperatures in the later months. Rain is somewhat common with 6 to 9 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 brisk. These months see moderate precipitation with 4 to 8 days of precipitation per month. June – August is fairly slow season for tourism in Williamtown, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 82.2°F (27.9°C) and 69.4°F (20.8°C), which will feel comfortable given the humidity and wind. It rains or snows a significant amount: 5 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 Williamtown to be enjoyable for warm weather travelers. The average high during this season is between 86°F (30°C) and 80.6°F (27°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 Travel› Australia › Williamtown, NW, Australia