For practical purposes: (Northern Hemisphere) or September, October, November (Southern Hemisphere).
Ask a child, “What are the spring months?” and the answer is almost automatic: March, April, May. Ask a climatologist, an astronomer, a Celtic druid, or a farmer in the Australian outback, and you will receive four different, equally valid answers. The seemingly simple question of which months constitute spring reveals a fascinating collision between celestial mechanics, human culture, meteorology, and the biological reality of a warming planet. which are spring months
For truth: Watch the maple sap run, listen for the peepers, and ignore the calendar. The seemingly simple question of which months constitute
would say: late March through late June. But this is awkward for calendars. The phenologist would say: it depends on your latitude and the year’s temperature anomaly. But this is too complex for daily life. The meteorologist has won the popular vote. In global weather reporting, climate data analysis, and most everyday conversation in North America and Europe, March, April, and May are now the de facto spring months. But this is awkward for calendars