Sheffield's crime rate in June 2025 stood at 9.5 per 1,000 residents, placing it 17.3% above the UK average of 8.1. The most striking anomaly was a 51.6% increase in bicycle theft, rising from 31 to 47 incidents. This sharp jump contrasts with the usual seasonal pattern, where summer typically sees lower theft rates due to increased outdoor activity and visibility. Violence and sexual offences remained the most prevalent category, accounting for 32.3% of all crimes, followed by anti-social behaviour (17.3%) and shoplifting (8.7%). The city's status as a major urban centre with a mix of university campuses, industrial zones, and densely populated residential areas likely contributes to these patterns. Anti-social behaviour, which saw a 13% increase above the UK average, may be linked to the start of the summer term, when student populations are at their peak. Meanwhile, shoplifting's 27% above-average rate aligns with the high footfall of the city's retail districts, particularly during the pre-summer shopping period. The seasonal context of June—longer daylight hours and the beginning of the tourism season—may have influenced crime dynamics, though the unexpected rise in bicycle theft suggests other factors, such as changes in bike storage practices or targeted theft in specific areas, warrant further local analysis.