Winters in Broken Arrow are quite cold, with temperatures often dipping below freezing and averaging around 4°C in January. The coldest month is February, with temperatures ranging from -26°C to 25°C on average. Spring brings a gradual warming trend, with March temperatures averaging 12°C and April temperatures reaching up to 30°C. Summer months are hot and humid, with July and August being the warmest, but not excessively so, with temperatures rarely exceeding 38°C. In autumn, temperatures cool down again, with October and November averaging around 18°C, before dropping back into winter chill.