Winters in Salzgitter are chilly, with temperatures often below freezing point, especially in January and February. As the season progresses, temperatures gradually rise, reaching averages around 6-7°C by March and April. Spring brings mild temperatures, with May and June averaging above 12°C and 20°C respectively, marking a significant warming trend. Summer is relatively cool, with July and August temperatures hovering around 20°C on average. Autumn sees a return to cooler temperatures, with October and November averaging around 11°C and 7°C before winter sets in again.