For those seeking warm weather, the ideal time to visit Whyalla, SA is in January, December and November. During these months, temperatures typically soar to an average of 33 °C, and you'll find that January, December and February are the sunniest months, with an average of 127.13 hours of sunshine.
Conversely, if you favor cooler weather, consider planning your trip to Whyalla, SA in June, July or August. During this period, you can expect an average temperature of 6.78 °C.
For travelers indifferent to temperature but keen to steer clear of rain, it’s wise to avoid visiting during February, March and August, when the average precipitation in Whyalla, SA reaches 2.7 mm. Instead, consider the drier months of January, February and March, which feature significantly lower rainfall, averaging only 0 mm.