| Season | Meteorological Months | Astronomical Range (Approx.) | Key Characteristics | | :--- | :--- | :--- | :--- | | | March, April, May | Mar 20 – Jun 20 | Warming, blossoms, rain showers | | Summer | June, July, August | Jun 21 – Sep 22 | Hottest, long days, thunderstorms | | Autumn (Fall) | September, October, November | Sep 23 – Dec 21 | Cooling, leaves change, harvest | | Winter | December, January, February | Dec 21 – Mar 19 | Coldest, short days, snow/ice |
The falls around March 20 in the Northern Hemisphere and September 22 in the Southern Hemisphere. months for the seasons verified
But another group, the , found this a bit messy. The sun might reach its peak in late June, but the hottest days wouldn't actually arrive until weeks later due to the atmosphere's "inertia". To make their records cleaner and more predictable, they created Meteorological Seasons , which always start on the first day of a month and last exactly three full months. The Verified Monthly Calendar | Season | Meteorological Months | Astronomical Range
Whether you follow the start (the 1st of the month) or the Astronomical start (the solstice/equinox), these dates are the verified standards for tracking time. If you’re planning a garden, use the astronomical dates. If you’re checking your local weather records, stick with the meteorological months. To make their records cleaner and more predictable,
: These occur twice a year when the Earth’s tilt toward or away from the sun is at its maximum.