Cleveland - Hottest Decades





Ranked here are the hottest decades on record for Cleveland, Ohio. The lists include decades when Cleveland had the highest average temperatures, the most hot days and the fewest cold days. These extremes are for temperatures observed at Cleveland Hopkins International Airport and cover eight decades, from the 1940s to the 2010s.

That is when Cleveland had weather measurements that are consistent and complete enough to compare decades. Each decade comprises a standard 10-year range. For instance, the 1990s includes measurements from Jan 1, 1990 to Dec 31, 1999. Links to the data behind these lists are in the References section on this page.

Hottest High Temperatures

Average daily maximum temperature at Cleveland
High °F Decade High °C
Highest 60.8 2010s 16.0
Runner-up 60.4 1950s 15.8

Warmest Low Temperatures

Average daily minimum temperature at Cleveland
Low °F Decade Low °C
Highest 44.0 2010s 6.6
Runner-up 42.6 2000s 5.9

Most Warm Days

Total days per year on average when Cleveland had temperatures of at least 70 °F (21 °C)
Days Decade
Highest 151 2010s
Runner-up 150 1950s

Most Hot Days

Total days per year on average when Cleveland had temperatures of at least 90 °F (32 °C)
Days Decade
Highest 20 1950s, 1940s
Runner-up 17 2010s

Fewest Freezing Days

Total days per year on average when Cleveland had temperatures of 32 °F (0 °C) or lower
Days Decade
Lowest 108 2010s
Runner-up 113 2000s

Fewest Cold Days

Total days per year on average when Cleveland had temperatures of 0 °F (-18 °C) or lower
Days Decade
Lowest 2 2000s, 1950s
Runner-up 3 2010s, 1990s

How Much Hotter are 2010s?

Compared with averages for the previous 50 years (1960 to 2009), the 2010s in Cleveland had:

  • 8 more days each year with temperatures of 90 °F and higher
  • 2.0 °F higher daily maximum temperatures (1.1 °C)
  • 2.7 °F higher daily minimum temperatures (1.5 °C)
  • 12 fewer days a year with freezing temperatures
References

Current Results. 2020. Cleveland OH Temperature Averages by Decade

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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