The best times to visit Whyalla Norrie for ideal weather are

October 1st to May 6th

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



Other Whyalla Norrie Travel Info

Weather in Whyalla Norrie


Average temperatures in Whyalla Norrie vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a very low chance of rain or snow throughout 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 Whyalla Norrie, the hottest months are January, February, and then December. See average monthly temperatures below. The warmest time of year is generally late January and early February where highs are regularly around 89.4°F (31.9°C) with temperatures rarely dropping below 65.3°F (18.5°C) at night.

Whyalla Norrie Temperatures (Fahrenheit)


Whyalla Norrie 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.

Whyalla Norrie Perceived Temperature (F)


Whyalla Norrie Perceived Temperature (C)



Average Whyalla Norrie 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 87.5 75.1 63.5
Feb 86.1 74.4 63.3
Mar 81.6 70.6 58.6
Apr 75.3 64.3 51.7
May 68.9 58.4 46.4
Jun 62.4 52.9 42.2
Jul 62.7 51.7 39.2
Aug 65.7 53.7 40.1
Sep 72.7 59.6 44.8
Oct 77.1 64.4 51.2
Nov 81.8 69.2 56.6
Dec 83.8 71.9 59.2

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 30.8 23.9 17.5
Feb 30.1 23.6 17.4
Mar 27.6 21.4 14.8
Apr 24.1 17.9 10.9
May 20.5 14.7 8
Jun 16.9 11.6 5.7
Jul 17.1 10.9 4
Aug 18.7 12.1 4.5
Sep 22.6 15.3 7.1
Oct 25.1 18 10.7
Nov 27.7 20.7 13.7
Dec 28.8 22.2 15.1



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Whyalla Norrie are September, July, and then January. 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 to mid June with an average of 1 days of significant precipitation the week of June 11th.

When can you find snow in Whyalla Norrie? 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 Whyalla Norrie.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 5% 0 1
Feb 6% 0 1
Mar 7% 0 0.8
Apr 6% 0 0.7
May 8% 0 0.9
Jun 13% 0 1.1
Jul 5% 0 0.7
Aug 8% 0 0.6
Sep 5% 0 0.6
Oct 6% 0 0.7
Nov 8% 0 1.2
Dec 6% 0 1.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 5 0 2.5
Feb 6 0 2.5
Mar 7 0 2
Apr 6 0 1.8
May 8 0 2.3
Jun 13 0 2.8
Jul 5 0 1.8
Aug 8 0 1.5
Sep 5 0 1.5
Oct 6 0 1.8
Nov 8 0 3
Dec 6 0 3


Humidity and Wind

Whyalla Norrie has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is October (43.8% relative humidity), and the most humid month is June (67.7%).

Wind in Whyalla Norrie is usually moderate. The windiest month is January, followed by February and November. January’s average wind speed of around 12.1 knots (13.9 MPH or 22.4 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 mid January where average top sustained speeds reach 20.5 knots, which is considered a fresh breeze.

Relative Humidity (%)

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

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 12.1 Significant breeze 19.9 Strong breeze
Feb 11.5 Significant breeze 18.6 Strong breeze
Mar 9.6 Gentle breeze 16.1 Strong breeze
Apr 8.2 Gentle breeze 14.3 Significant breeze
May 7.5 Gentle breeze 13.2 Strong breeze
Jun 7.7 Gentle breeze 13.2 Significant breeze
Jul 8.1 Gentle breeze 14.1 Strong breeze
Aug 8.6 Gentle breeze 15.6 Significant breeze
Sep 9.7 Gentle breeze 17.9 Strong breeze
Oct 10.5 Gentle breeze 17.9 Strong breeze
Nov 11 Significant breeze 18.7 Strong breeze
Dec 10.8 Gentle breeze 18.4 Strong breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 44.1%
Feb 47.1%
Mar 47.9%
Apr 51.9%
May 58.6%
Jun 67.7%
Jul 62.7%
Aug 57.4%
Sep 46.3%
Oct 43.8%
Nov 44.3%
Dec 43.8%


Is it Safe to Travel to Whyalla Norrie?

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 Whyalla Norrie, SA, Australia is February, followed by January 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 Whyalla Norrie in November. 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 66.7 in November means 66.7% of the tourists vs. February.



Overall Whyalla Norrie Travel Experience by Season

Fall (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 85.2°F (29.6°C) and 64.8°F (18.2°C) with colder temperatures in the later months. Rain is rare with 2 to 3 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 the most precipitation with 2 to 4 days of precipitation per month. June – August is fairly slow season for tourism in Whyalla Norrie, so lodging and other accommodations may cost slightly less.

Spring (September through November)

Spring daily highs range from 83.7°F (28.7°C) and 69.8°F (21°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 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 Whyalla Norrie to be enjoyable for warm weather travelers. The average high during this season is between 89.4°F (31.9°C) and 81.4°F (27.4°C). On average, it rains or snows a smalll amount: consistently 2 times per month. These times of year are the busiest with tourists.


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