New Carrollton is a city of approximately 12,800 people in Maryland, United States. Located in the Eastern Time Zone at 39°N latitude.
In 2025, New Carrollton recorded an average annual temperature of 56°F. The hottest temperatures reached 101°F in June; the coolest were 7°F in January. Total precipitation for the year was 50 inches, with the wettest month being May. Snowfall for the year totaled approximately 7 inches.
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