Sheffield's winters are typically cool and occasionally frosty, with temperatures often below freezing in January and February. As spring arrives in March, temperatures rise steadily, sometimes reaching into the mid-teens by April. May marks a significant warming trend, with average highs frequently exceeding 20C, while June and July are usually warm to hot, with occasional heatwaves. Autumn is generally mild, with September and October often experiencing pleasant temperatures, but November and December bring cooler conditions, occasionally dipping below freezing.