Stillwater experiences a continental climate with significant seasonal variations. Winters are cold, with temperatures often below freezing and occasional extreme lows around -27°C in February. As spring approaches, temperatures gradually warm up, reaching average highs of around 14°C to 18°C from March to May. Summers are warm to hot, with July and August averaging high temperatures around 26°C to 27°C, while September and October see a return to warmer days. In contrast, winters are chilly again, with December and January temperatures averaging around 9°C to 10°C.