Joppatowne is a city of approximately 12,600 people in Maryland, United States. Located in the Eastern Time Zone at 39.4°N latitude.
In 2025, Joppatowne recorded an average annual temperature of 56°F — about 0.6°F below the 30-year normal of 56°F. The hottest day reached 97°F in June; the coldest was 8°F in January. Total precipitation was 50 inches (wetter than usual). Snowfall totaled 6 inches, below the 19-inch average. The wettest month was May.
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