Gary's winters are harsh, with temperatures often dropping below freezing and averaging around -1°C in January. As spring approaches, temperatures gradually rise, but March is still quite cool, averaging 6°C. Summer months bring warmth, with July and August being the warmest, averaging around 24°C, while September marks a return to more moderate temperatures. Autumn sees a slight drop in temperature, averaging around 15°C in October and November before winter sets back in, with December temperatures averaging just 3°C. Overall, the region experiences a moderate climate with significant seasonal variations.