Birmingham's winters are chilly and unpredictable, with temperatures often dropping below freezing in January and February. Spring brings a slow warming trend, with March and April temperatures gradually rising into double digits. Summer months of May to September are warm and pleasant, with temperatures frequently reaching the mid-20s Celsius. Autumn is mild, with October and November temperatures still relatively warm before cooling down again towards winter. The city's temperature range remains generally moderate throughout the year, rarely experiencing extreme heat or cold extremes.