Baltimore city Climate
Baltimore city, Maryland
Avg Annual Temp
57.6°F
Annual Precip
43.7"
Annual Snowfall
—
Extreme Heat Days
30.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Seasonal Overview
National Comparison
Climate Profile
About Baltimore city Weather
Urban warmth exceeds national median
Baltimore city averages 57.6°F annually, making it warmer than the typical US location. The urban environment often traps heat, contributing to its humid subtropical profile.
Above the Maryland state average
The city's average temperature sits 1.7 degrees above the Maryland state average of 55.9°F. It is one of the warmest spots in the state, particularly during the summer months.
The warmest in the region
Baltimore's July average of 79.7°F is higher than neighboring Anne Arundel or Carroll counties. While annual snowfall data is limited for this station, the city generally stays warmer than its rural neighbors.
Frequent extreme summer heat
The city faces 31 days per year with temperatures at or above 90°F. Winters remain relatively mild compared to western Maryland, with a January average of 35.7°F.
Managing the urban heat island
Reliable air conditioning is a priority for the 31 extreme heat days each year. Residents should also plan for 43.7 inches of rain, which can lead to rapid runoff in paved urban areas.
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.