April is the true heart of the transition. The threat of deep freeze recedes for most of the country, and the "greening" begins.
The transition month. The weather is highly unpredictable ("comes in like a lion, out like a lamb"). Northern states can still have snow, while the South begins to warm up. A key event is Spring Break , a week-long school holiday leading to major travel to warm-weather destinations like Florida and Texas. spring months in usa
By May, spring has firmly taken hold in the north, while the south begins to feel the first heat of summer. April is the true heart of the transition