With a population of around 8,500, Rossmoor sits in Maryland, United States. The city operates in the Eastern Time Zone.
Recent weather here gives a sense of typical conditions: in 2025, Rossmoor recorded a mean annual temperature of 55°F, ranging from 6°F lows in January to 100°F highs in June, with about 49 inches of precipitation across the year.
View historical weather for Rossmoor · More cities in Maryland