Whitby's winters are harsh and cold, with temperatures often dropping below -20°C in January and February. Spring brings a slow warming trend, with temperatures gradually rising above freezing by April and May. Summer months, June to August, are mild and pleasant, with average highs around 22°C. Autumn is similar to spring, with temperatures cooling down gradually from September to November, before dropping again in December. Overall, the temperature fluctuations throughout the year are relatively moderate, but winters remain the coldest period.