Teplice experiences a continental climate with cold winters and warm summers. Winters are typically chilly, with temperatures often below freezing, but can occasionally reach mild highs around 8°C in January. Spring arrives slowly, with March temperatures gradually warming up to averages of 3°C, while April and May bring more consistent warmth, averaging around 9-19°C. Summers are pleasant, with July being the warmest month, averaging 18°C, though still relatively cool compared to other European cities. Autumn is generally mild, with September and October temperatures ranging from 5-19°C before cooling down again in November and December.