Winters in Sparks are cold and unpredictable, with temperatures often dropping below freezing, averaging around -10°C in January and February. Spring brings a gradual warming trend, with March and April temperatures rising to an average of 4°C and 9°C respectively, and occasional warm days reaching up to 29°C. Summer months are mild to hot, with July being the warmest month on average at 24°C, although temperature fluctuations remain significant. Autumn is similar to spring, with a slow cooling trend, and temperatures dropping back down to around -10°C in November and December.