Hartford - Temperature Averages by Decade





Summarized here are the temperatures extending over seven decades at Hartford, Connecticut. Listed for every decade from the 1950s 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. All the temperature data were collected at Bradley International Airport near Hartford.

High Temperature for Each Decade

Average daily maximum temperature at Hartford
High °F Decade High °C
61.9 2010s 16.6
60.6 2000s 15.9
61.0 1990s 16.1
60.2 1980s 15.7
60.3 1970s 15.7
59.8 1960s 15.5
59.9 1950s 15.5

Low Temperature for Each Decade

Average daily minimum temperature at Hartford
Low °F Decade Low °C
41.6 2010s 5.3
40.6 2000s 4.8
40.7 1990s 4.8
39.4 1980s 4.1
39.9 1970s 4.4
38.8 1960s 3.8
39.6 1950s 4.2

Hot Days per Decade

Total days per year on average when the temperature in Hartford reached at least 70 or 90 °F
Decade 70 °F
21 °C
90 °F
32 °C
2010s 153 23
2000s 143 17
1990s 143 16
1980s 141 17
1970s 147 22
1960s 143 20
1950s 134 15

Cold Days per Decade

Total days per year on average when the temperature in Hartford dropped to 0 or 32 °F or lower
Decade 0 °F
-18 °C
32 °F
0 °C
2010s 4 124
2000s 4 129
1990s 3 126
1980s 6 135
1970s 5 134
1960s 7 138
1950s 5 134
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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