Climate According to the Köppen Climate Classification system, Newark has a humid subtropical climate (abbreviated Cfa on climate maps). Summers are hot and humid, with frequent afternoon thunderstorms. Winters are moderate-to-cold, with occasional snow in December, January and February. Newark averages more than 220 frost free days. The hardiness zone is 7a.
Climate According to the Köppen Climate Classification system, Newark has a humid subtropical climate (abbreviated Cfa on climate maps). Summers are hot and humid, with frequent afternoon thunderstorms. Winters are moderate-to-cold, with occasional snow in December, January and February. Newark averages more than 220 frost free days. The hardiness zone is 7a.