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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Monitorly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Cummins is currently experiencing conditions as shown in the live forecast above, with temperatures typically ranging from 12°C to 28°C in summer and 7°C to 16°C in winter. This Eyre Peninsula town sees a Mediterranean climate with dry, warm summers and cool, wet winters.
What is the typical weather pattern for Cummins?
Cummins records an average annual rainfall of roughly 420 mm, with most rain falling between May and August. Summer highs often reach 28°C, while winter lows can drop to 7°C. The area is influenced by systems moving across the Great Australian Bight, making conditions variable and often windier than nearby Adelaide weather.
How does Cummins weather compare to Port Lincoln?
Being about 50 kilometres inland, Cummins is generally 2–3°C warmer during summer days and cooler overnight than coastal Port Lincoln weather. Frost is possible in winter mornings, whereas Port Lincoln rarely experiences frost due to maritime moderation.
What is the best time to visit Cummins?
Spring (September to November) offers mild days around 20–24°C and lower rainfall, making it ideal for exploring the Eyre Peninsula. Summer can be hot but is generally dry and sunny.
Does Cummins get severe weather?
Severe thunderstorms can occur in spring and summer, sometimes bringing damaging winds and hail. The Bureau of Meteorology issues severe weather warnings for the region when needed.
How does Cummins SA weather affect farming?
Local grain and livestock farmers rely on winter-dominant rainfall. Dry summers limit pasture growth, and frost risk in July–August can impact crop yields. Many farmers monitor cummins sa weather forecasts closely for spraying and harvest windows.