Baltimore - Temperature Averages by Decade





Summarized here are the temperatures extending over eight decades at Baltimore, Maryland. Listed for every decade from the 1940s to the 2010s are averages for maximum and minimum daily temperatures in degrees Fahrenheit and Celsius. That's followed with information on the number of hot and cold days.

Each decade covers a standard 10-year range. For instance the 1990s includes weather measurements from Jan 1, 1990 to Dec 31, 1999. Some measurements are missing for the year 1956. All the temperature data were collected at Baltimore Washington International Airport.

High Temperature for Each Decade

Average daily maximum temperature at Baltimore
High °F Decade High °C
66.6 2010s 19.2
65.5 2000s 18.6
66.2 1990s 19.0
65.0 1980s 18.3
65.1 1970s 18.4
64.7 1960s 18.2
65.2 1950s 18.4
65.0 1940s 18.4

Low Temperature for Each Decade

Average daily minimum temperature at Baltimore
Low °F Decade Low °C
47.0 2010s 8.3
45.7 2000s 7.6
45.9 1990s 7.7
45.4 1980s 7.4
46.0 1970s 7.8
43.9 1960s 6.6
45.7 1950s 7.6
47.8 1940s 8.8

Hot Days per Decade

Total days per year on average when the temperature in Baltimore reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 177 39
2000s 170 26
1990s 170 34
1980s 164 31
1970s 169 27
1960s 168 33
1950s 166 32
1940s 166 33

Cold Days per Decade

Total days per year on average when the temperature in Baltimore dropped to 0 or 32 °F or lower
Decade 0 °F
-18 °C
32 °F
0 °C
2010s 0 92
2000s 0 97
1990s 0 93
1980s 1 96
1970s 0 91
1960s 1 108
1950s 0 95
1940s 0 80
Reference

Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Year, Version 1.0. NOAA National Centers for Environmental Information.

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