Winters in Twin Falls are cold and snowy, with temperatures often below freezing, averaging around 0°C in January. As spring arrives, temperatures gradually warm up, reaching average highs of 9°C by April, with occasional warmer days reaching as high as 31°C. Summer brings mild to hot temperatures, with July being the warmest month, averaging 26°C, but still occasionally dipping below 11°C at night. Autumn is a return to cooler temperatures, with averages dropping back down to around 5°C by November, and occasional colder snaps. Frosts and light snows are not uncommon even in March and October, while winter's deepest cold is usually reserved for December.