USA Weather and Temperature 

The United States is an enormous country covering many climate zones. In general, trips to the mountains and the northern United States are best done during the summer months from June to September. Trips to the southern United States are best from March to May and September to December. For skiing and snowboarding, trips are best from January to March. Due to the many mountain ranges dividing the country, the weather varies according to the destination you are traveling. In general, the hot season is from May to August when temperatures can be the most hot and humid. The rainy season is from April to June. For water sports like rafting and kayaking, the best water is in the spring, but if it is dam controlled many rivers run all summer long and into the fall.

AVERAGE SOUTHERN U.S. TEMPERATURES AND RAINFALL in New Orleans, Louisiana

 

AVERAGE NORTHERN U.S. TEMPERATURES AND RAINFALL in Boston, Massachusetts