Dunstable's winters are typically cool and unpredictable, with temperatures often dropping below freezing in January and December. Spring brings a gradual warming trend, with March and April temperatures rising steadily towards the mid-teens by May. Summer is warm but not hot, with July being the only month to consistently reach highs above 20C, while August and September temperatures are more variable. Autumn is mild and temperate, with October and November temperatures cooling gradually back into winter ranges.