Baltimore city Climate
Baltimore city, Maryland
NOAA NCEI 1991-2020 Climate NormalsAvg Annual Temp
57.6°F
Annual Precip
43.7"
Annual Snowfall
—
Extreme Heat Days
31
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Growing Season & Gardening
7b
Minimum winter temperature range for plant survival
4,306
Excellent for heat-loving crops
Seasonal Overview
National Comparison
7-Day Outlook
Forecast
Current Conditions
Air Quality
Safety
Weather Alerts
Climate Advisory: Baltimore city
Climate Verdict
Baltimore city has a mild, with an average annual temperature of 57.6°F, moderately wet with 43.7 inches of annual precipitation, occasional hot days — 30.5 per year above 90°F. This climate profile shapes everything from energy costs to outdoor recreation opportunities.
Seasonal Breakdown
Winters are cold, with January averaging 35.7°F. summers are warm — July averages 79.7°F. The 44°F seasonal variation provides noticeable but manageable change.
Outdoor & Gardening Guidance
The moderate temperatures support hiking, cycling, and camping comfortably in spring, summer, and fall.
Regional Context
Baltimore city closely matches the Maryland statewide average temperature of 55.9°F, it is somewhat drier than average for Maryland.
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.
Frequently Asked Questions
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Data sources: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020. Forecast and alert data from National Weather Service API. Air quality data from Open-Meteo.
Climate normals are 30-year averages of weather variables. Station data is aggregated to county level. Forecasts and alerts are fetched live and may change frequently. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.