Carbondale's winters are quite cold, with temperatures often dipping below freezing and averaging around 2°C in January. February is even chillier, with average lows of -2°C. Spring brings a welcome warming trend, with March and April temperatures gradually increasing to average highs around 13°C. By May, the mercury has risen further, reaching an average high of 17°C, and this warm trend continues through June and July, with temperatures often hitting the mid-20s to low 30s Celsius. In autumn, the temperature cools again, but remains relatively mild, averaging around 7°C in November and 9°C in December.