Spring Frost Dates Are Getting Earlier: Global Trend Confirmed

A study analyzing the trends in the time series of the last spring frost date at a height of 2 meters for numerous stations has shown a statistically significant trend indicating its earlier appearance. The trend calculated in this research, ranging from 1.6 to 3.5 days per decade, aligns with and confirms previous research findings from Poland [7,23]. While minor variations may be attributed to differences in station selection, the overall trend remains consistent. This phenomenon is not limited to Poland; a substantial body of literature, including studies from Europe [14], North America [24], and Asia [25], points to a statistically significant shift in the date of the last spring frost across the globe. This observed shift highlights the broader implications of climate change on seasonal patterns and underscores the need for further research and adaptation strategies.