Baltimore Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Baltimore, Maryland during each month of the year.
The average high and low temperatures are listed below monthly and annually for the city, in both degrees Fahrenheit and Celsius.
Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
To find out how often it rises over 70, 80 or 90 °F each month in Baltimore, scroll down farther. There are also monthly and yearly counts of days with cold weather.
All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.
|High °F||Low °F||High °C||Low °C|
Days of Hot Weather in Baltimore
Baltimore regularly gets 90-degree Fahrenheit weather during summer. As well, a day with temperatures in the 90s can happen as early as April or as late as October.
The thermometer sometimes reaches 100 °F (38 °C) here. The temperature climbs to 100 or more on an average of one day every two or three years.
How Often Baltimore Has Cold Temperatures
The coldest winter nights at Baltimore get down to 0 °F (-18 °C) or less. But temperatures that low are rare, happening on average just once every three years.
Baltimore typically has 13 days a year when the temperature never rises above freezing. Frosty days can occur anytime from November to March, but are most common in January.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.