Climate change in Baltimore city, Maryland
Since 1979, Baltimore city, Maryland has warmed 3.4°F, with 16 more days above 90°F, 23 more nights above 70°F and 13% more precipitation a year. Its climate in 1996–2025 is most like Mathews County, VA's was in 1951–1980.
- Average temperature: +3.4°F
- Summer highs (Jun–Aug): +2.9°F
- Winter lows (Dec–Feb): +3.8°F
- Precipitation: +13%
- Wettest day of the year: +47%
- Longest dry spell: +2 days
- Days above 90°F: +16 days
- Nights above 70°F: +23 days
- Freezing nights: −20 days
- Frost-free season: +18 days
- Muggy days: +18 days
- Summer heat index (Jun–Aug): +4.7°F
- Extreme fire-weather days: +1 days
- Snowfall: −9%
- Snowy days (1 inch or more): −1 days
Changes follow the trend line through every year from 1979 to 2025. Data: NOAA nClimGrid-Daily; humidity from gridMET, adjusted to airport observations.