Cool
Average highs are around 18°C, so pack for cooler days.
August verdict
Mixed for holiday weather
Average highs are around 18°C, so pack for cooler days. Sunshine averages 6.9h per day, enough for a balanced month. Rainfall averages 26mm, which is relatively low for holiday planning.
Monthly averages
Temp
18°C
Rain
26mm
Sun
6.9h
Sea
13°C
Weather score
40
Mixed
Cool
Average highs are around 18°C, so pack for cooler days.
Drier
Rainfall averages 26mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 6.9h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°C, so the water can feel cool.
Map
Compare Whyalla, Australia with nearby places by weather score, rain, sun, temperature, and swim conditions.
August18°C average high
August has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJanuary to March and December
This stretch sets the upper range for average daytime heat.
August26mm average rain
August is close to Whyalla's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
August6.9 hours average sun
August is below Whyalla's yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsJanuary to February and November to December
This stretch has the strongest sunshine in the monthly averages.
August13°C average sea
August is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJanuary to March and December
Sea temperatures are usually near 23°C in this stretch, so swimming comfort is at its strongest.
August40 weather score
August is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJanuary to March and December
These months have the strongest weather score in the monthly averages.