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Whyalla Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Whyalla.
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Climate overview of Whyalla
The climate in Whyalla, South Australia, Australia, is marked by large temperature swings across the seasons, ranging from 32°C (90°F) in January to 18°C (64°F) in July.
Rainfall is modest, totalling around 304 mm (12 in) annually. The city experiences very little rainfall year-round, with very warm summers and mild winters. September tends to be the wettest month.
Whyalla Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Whyalla - and find the best time to visit.
Monthly Temperature in Whyalla
In Whyalla, temperatures differ significantly between summer and winter months. Average maximum daytime temperatures range from a very warm 32°C (90°F) in January, the warmest time of the year, to a moderate 18°C (64°F) during cooler months like July.
At night, you can expect temperatures ranging from 19°C (66°F) in January to around 8°C (46°F) during July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Whyalla
Whyalla tends toward drier weather patterns, receiving approximately 304 mm (12 in) of rain per year. While rainfall varies throughout the year, each season offers its own charm. September brings wetter days averaging 32 mm (1.3 in) of precipitation, spread over 7 rainy days.
In contrast, the driest month March experiences a drier climate, with about 15 mm (0.6 in) of rainfall spread across 5 rainy days. For more details, please visit our Whyalla Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Whyalla
The most comfortable overall weather for exploring Whyalla is usually found in March, April, May, July, August, September, October and November. Conditions are generally least comfortable in December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
very good
Feb
very good
Mar
excellent
Apr
excellent
May
excellent
Jun
very good
Jul
excellent
Aug
excellent
Sep
excellent
Oct
excellent
Nov
excellent
Dec
good
- Best overall: March, April, May, July, August, September, October and November
- Warmest weather: January and February
- Seasonal pattern: Very little rainfall year-round, with very warm summers and mild winters
Frequently asked questions about the climate in Whyalla
What is the best time to visit Whyalla?
March, April, May, July, August, September, October and November typically offer the most optimal weather in Whyalla. In contrast, December tends to have less optimal conditions. Whyalla has very little rainfall year-round, with very warm summers and mild winters.
What temperatures can I expect in Whyalla?
Daytime highs range from 18°C (64°F) in July to 32°C (90°F) in January. Nighttime lows range from 8°C (46°F) to 19°C (66°F). Temperatures vary considerably through the year.
How much rain does Whyalla get?
Annual rainfall is around 304 mm (12 in). September is the wettest month with 32 mm (1.3 in), while March is the driest with 15 mm (0.6 in).
Whyalla 3-Day Forecast
Whyalla on the map
Whyalla is highlighted - select any city to see its climate.
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