Summers Are Getting Longer, Especially in Sydney, Study Finds

A recent study has confirmed what many people can already feel: summers are getting longer, and the trend is particularly pronounced in Sydney. The research, published in the journal Environmental Research Letters, found that summer conditions are arriving earlier, lasting longer, and feeling more intense due to human-induced global heating.

The study, conducted by PhD candidate Ted Scott from the University of British Columbia, analyzed data from 10 global cities and found that the length of summer is increasing on average by six days every decade. However, in Sydney, Australia, the summer period is growing at a rate of about 15 days every decade.

In Minneapolis, Minnesota, the summer length is increasing by nine days every decade, while Toronto in Canada is adding a little over eight days to its summer every decade. Paris and Reykjavik are adding 7.2 days to their summer periods.

The research also found that the shift from one season to another is becoming more abrupt, with summer-like conditions arriving more suddenly rather than gradually warming up. Sydney's summer period has grown from 65 days in the 1960s to 125-130 days in recent years, with the summer starting almost a full month earlier on November 27 and ending on March 28.

The study's findings have significant implications for various aspects of life, including school terms, sporting seasons, and crop planting. The researchers emphasize that the trend is driven by human-induced global heating and that reducing fossil fuel usage is crucial to mitigating the effects of climate change.