The best times to visit William Creek for ideal weather are
March 19th to May 27th
or
August 27th 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.
William Creek Travel Guide
Other William Creek Travel Info
Weather in William Creek
Temperature
Average temperatures in William Creek vary greatly. Considering humidity, temperatures feel very nice much of the year, but hot in the summer and cold in the winter with a very low chance of rain or snow throughout the year. The area is somewhat temperate — in the 57th 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 William Creek, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally early January where highs are regularly around 101.1°F (38.4°C) with temperatures rarely dropping below 71.6°F (22°C) at night.
William Creek Temperatures (Fahrenheit)
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William Creek Temperatures (Celsius)
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“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.
William Creek Perceived Temperature (F)
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William Creek Perceived Temperature (C)
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Average William Creek 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 | 99.2 | 86 | 70.9 |
| Feb | 96.3 | 83.6 | 69.8 |
| Mar | 88.9 | 76.8 | 63.6 |
| Apr | 80.6 | 69 | 56.6 |
| May | 71.7 | 60.5 | 49.2 |
| Jun | 64.6 | 53.9 | 42.9 |
| Jul | 65.5 | 53.9 | 42 |
| Aug | 71 | 58.1 | 44.3 |
| Sep | 79.2 | 65.6 | 50 |
| Oct | 86.2 | 72.2 | 56.8 |
| Nov | 91 | 77.7 | 62.9 |
| Dec | 94.5 | 81.3 | 66 |
Show Celsius
| Month | Avg. High (°C) | Avg. Mean (°C) | Avg. Low (°C) |
|---|---|---|---|
| Jan | 37.3 | 30 | 21.6 |
| Feb | 35.7 | 28.7 | 21 |
| Mar | 31.6 | 24.9 | 17.6 |
| Apr | 27 | 20.6 | 13.7 |
| May | 22.1 | 15.8 | 9.6 |
| Jun | 18.1 | 12.2 | 6.1 |
| Jul | 18.6 | 12.2 | 5.6 |
| Aug | 21.7 | 14.5 | 6.8 |
| Sep | 26.2 | 18.7 | 10 |
| Oct | 30.1 | 22.3 | 13.8 |
| Nov | 32.8 | 25.4 | 17.2 |
| Dec | 34.7 | 27.4 | 18.9 |
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in William Creek are August, July, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid February. For example, on the week of February 19th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early April with an average of 1 days of significant precipitation the week of April 2nd.
When can you find snow in William Creek? 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 William Creek.
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Snow on the Ground
The graph below shows the average snow on the ground in William Creek (in).
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Average Rain and Snow by Month
Show Inches
| Month | Daily Chance of Rain | Average Snow Depth (in) | Total Precipitation (in) |
|---|---|---|---|
| Jan | 3% | 0 | 0.6 |
| Feb | 5% | 0 | 0.8 |
| Mar | 4% | 0 | 0.5 |
| Apr | 6% | 0 | 1.2 |
| May | 5% | 0 | 0.8 |
| Jun | 1% | 0 | 0.1 |
| Jul | 1% | 0 | 0.1 |
| Aug | 1% | 0 | 0.2 |
| Sep | 1% | 0 | 0.2 |
| Oct | 5% | 0 | 0.4 |
| Nov | 6% | 0 | 0.6 |
| Dec | 5% | 0 | 0.8 |
Show Centimeters
| Month | Daily Chance of Rain | Average Snow Depth (cm) | Total Precipitation (cm) |
|---|---|---|---|
| Jan | 3 | 0 | 1.5 |
| Feb | 5 | 0 | 2 |
| Mar | 4 | 0 | 1.3 |
| Apr | 6 | 0 | 3 |
| May | 5 | 0 | 2 |
| Jun | 1 | 0 | 0.3 |
| Jul | 1 | 0 | 0.3 |
| Aug | 1 | 0 | 0.5 |
| Sep | 1 | 0 | 0.5 |
| Oct | 5 | 0 | 1 |
| Nov | 6 | 0 | 1.5 |
| Dec | 5 | 0 | 2 |
Humidity and Wind
William Creek has some comfortably humid months, with some very dry months. The least humid month is January (16% relative humidity), and the most humid month is June (48.6%).
Wind in William Creek is usually moderate. The windiest month is January, followed by October and November. January’s average wind speed of around 12.2 knots (14.1 MPH or 22.7 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 December where average top sustained speeds reach 20.8 knots, which is considered a fresh breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in William Creek.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 | 12.2 | Significant breeze | 18.4 | Strong breeze |
| Feb | 11.4 | Significant breeze | 17.7 | Strong breeze |
| Mar | 11.2 | Significant breeze | 16.7 | Strong breeze |
| Apr | 9.9 | Gentle breeze | 15.1 | Significant breeze |
| May | 9.3 | Gentle breeze | 14 | Strong breeze |
| Jun | 9.1 | Gentle breeze | 14 | Significant breeze |
| Jul | 9.9 | Gentle breeze | 15.2 | Strong breeze |
| Aug | 10.4 | Gentle breeze | 16.1 | Significant breeze |
| Sep | 11.6 | Significant breeze | 19.3 | Strong breeze |
| Oct | 12.2 | Significant breeze | 18.9 | Strong breeze |
| Nov | 12 | Significant breeze | 18.8 | Strong breeze |
| Dec | 11.8 | Significant breeze | 18.7 | Strong breeze |
Show Relative Humidity by Month
| Month | Avg. Relative Humidity |
|---|---|
| Jan | 16% |
| Feb | 20.9% |
| Mar | 25% |
| Apr | 30.3% |
| May | 41.5% |
| Jun | 48.6% |
| Jul | 40.8% |
| Aug | 29.4% |
| Sep | 21.5% |
| Oct | 18.8% |
| Nov | 18.6% |
| Dec | 18.8% |
Is it Safe to Travel to William Creek?
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 William Creek, SA, Australia is January, followed by May and February. 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 William Creek in October. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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Overall William Creek Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 92.4°F (33.6°C) and 66.1°F (18.9°C) with colder temperatures in the later months. Rain is rare with 1 to 2 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 about 0 days of precipitation per month. June – August is fairly slow season for tourism in William Creek, so lodging and other accommodations may cost slightly less.
Spring (September through November)
Spring daily highs range from 93.3°F (34.1°C) and 75.6°F (24.2°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 2 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 William Creek to be enjoyable for warm weather travelers. The average high during this season is between 101.1°F (38.4°C) and 92.3°F (33.5°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 Travel› Australia › William Creek, SA, Australia