Climate in Maryland

Maryland's climate varies drastically throughout the year. Summers vary from mild to hot, with the warmest month of July experiencing average temperatures of between 85ºF (29ºC) and 89ºF (32ºC).

Summer is also the wettest season, and thunderstorms peak in July and August, bringing increased humidity between August and October, although nights are generally cooler. In Baltimore humidity averages about 60 percent between February and April, and 75 percent from August to October. Winters are snowy and cold; January is the coldest month, averaging between 20ºF (-7ºC) and 25ºF (-4ºC).