March is arguably the most unpredictable month in the American calendar. It is characterized by a meteorological tug-of-war between retreating winter cold and advancing warm fronts.
The mildest and greenest spring month. Trees are fully leafed, and flowers are in full bloom. By late May, the weather often feels like early summer in many regions. This month includes Memorial Day (last Monday), the unofficial start of summer, marked by barbecues, parades, and travel. spring months in usa