Spring Months In Usa. Average temperatures of us’s spring months are 53 °f (12 °c) in march, 64 °f (18 °c) in april and 71 °f (22 °c) in may. It lasts until the summer solstice on.

Spring in the united states begins with the vernal equinox on march 20. During the spring, temperatures begin to warm up and thunderstorms and rainstorms are common across the country into the summer months.