Climate Insights for Whyalla
The Corporation of the City of Whyalla, South Australia, Australia
Climate Overview
The climate in Whyalla is warm and mild. The average annual temperature is 18°C and approximately 259 mm of precipitation falls per year. January is the wettest month, receiving around 33 mm of rainfall. Whyalla is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, June, August, when temperatures can drop to 7°C.The climate in Whyalla is warm and mild. The average annual temperature is 65°F and approximately 10.2 in of precipitation falls per year. January is the wettest month, receiving around 1.3 in of rainfall. Whyalla is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, June, August, when temperatures can drop to 45°F.
Temperature
Temperatures in Whyalla vary considerably across the year, with a 24°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 31°C and the mean temperature sits around 25°C. July is the coolest month, with minimum temperatures around 7°C and an average of 12°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.Temperatures in Whyalla vary considerably across the year, with a 43°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 88°F and the mean temperature sits around 77°F. July is the coolest month, with minimum temperatures around 45°F and an average of 53°F. On average, daily temperatures fluctuate by about 21°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°F shift in average temperatures.
Precipitation
Whyalla is a quite dry location, receiving approximately 259 mm of precipitation annually, which averages out to around 22 mm per month. The wettest month is January, averaging 33 mm of rainfall. November and December also tend to see above-average precipitation. The driest month is February, with just 7 mm. That's 27 mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.Whyalla is a quite dry location, receiving approximately 10.2 in of precipitation annually, which averages out to around 0.9 in per month. The wettest month is January, averaging 1.3 in of rainfall. November and December also tend to see above-average precipitation. The driest month is February, with just 0.3 in. That's 1.1 in less than January, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.
Wind
Whyalla is mildly breezy, with an average annual wind speed of 15km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 17km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/h between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 13km/h in winter, 15km/h in spring, 17km/h in summer, 13km/h in autumn.Whyalla is moderately windy, with an average annual wind speed of 9mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 11mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 8mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3mph between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 8mph in winter, 10mph in spring, 10mph in summer, 8mph in autumn.
Best Time to Visit
The best time to visit Whyalla is during January, February, March, April, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 22 mm per month. By contrast, July can be quite cold with temperatures dropping to 7°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Whyalla is during January, February, March, April, September, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 70°F with modest rainfall averaging 0.9 in per month. By contrast, July can be quite cold with temperatures dropping to 45°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Whyalla based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Whyalla based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.