Winters in Shawnee are cold and unpredictable, with temperatures often dropping below freezing, especially in February when the average low is around -26°C. Spring arrives slowly, with March warming up significantly, averaging 9°C, but still experiencing chilly mornings. Summer months bring warmth, with July and August consistently averaging highs around 30°C. Autumn brings a return to cooler temperatures, with October being particularly mild at an average of 15°C. Overall, the region experiences moderate temperature fluctuations throughout the year, with occasional cold snaps in winter and warm spells in summer.