Winters in Lorrach are cold and unpredictable, with temperatures ranging from -17°C to 14°C on average around 1°C. The warmer days can be deceiving, but the region is often blanketed in snow during this time. Spring brings a gradual warming trend, with temperatures slowly increasing from -5°C to 25°C by April, averaging around 8°C. Summer months see pleasant highs, but temperatures rarely drop below 7°C, creating mild and comfortable conditions. Autumn is similar to spring, with temperatures fluctuating between 5°C and 28°C, before dropping back down into winter's chill.