About Climate Summary Tables

Temperature Summary for Station USW00014820 - CLEVELAND-HOPKINS INTL AP, OH

1991-2020 NCEI Normals
Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 35.8 38.5 47.1 60.1 71.1 79.8 83.7 82 75.6 63.7 51.3 40.4 60.7
Min °F 22.3 23.7 30.7 40.8 51.4 61.1 65.3 63.9 57.1 46.5 36.7 28.2 44
Mean °F 29.1 31.1 38.9 50.4 61.2 70.4 74.5 73 66.4 55.1 44 34.3 52.4
HDD
base 65		 1114 949 811 447 182 29 2 4 70 325 631 952 5516
CDD
base 65		 0 0 2 10 66 193 296 251 110 18 1 0 947

 

Temperature Extremes - Period of Record: 1938-05-01 to 2025-07-14
*Based on latest available data for this station
Month High
Mean °F		 Year Low
Mean °F		 Year 1-Day
Max °F		 Date 1-Day
Min °F		 Date
January 38.6 2006 11 1977 73 1950-01-25 -20 1994-01-19
February 37.5 1998 14.3 2015 77 2017-02-24 -17 2015-02-20
March 51.4 2012 24 1960 83 2012-03-22 -5 1984-03-09
April 56 2010 41.7 1975 88 1986-04-28 10 1964-04-01
May 66.8 1991 52.3 1967 93 2018-05-28 25 1966-05-10
June 74.1 1949 62.7 1985 104 1988-06-25 31 1972-06-11
July 79.1 1955 67.6 1960 103 1941-07-27 41 1968-07-04
August 77.8 2016 66.7 1963 102 1948-08-27 38 1982-08-29
September 70.5 2016 58.6 1975 101 1953-09-03 32 1942-09-29
October 61.4 1947 47.1 1988 93 2019-10-01 19 1988-10-31
November 48.8 2001 33.7 1976 82 1950-11-01 3 1976-11-30
December 43.9 2015 19.1 1989 77 1982-12-03 -15 1989-12-22
Annual 63.1 2016 37.9 1963 104 1988-06-25 -20 1994-01-19
Winter 42.5 2016 10.8 1977 77 2017-02-24 -20 1994-01-19
Spring 65.4 2012 34 1971 93 2018-05-28 -5 1984-03-09
Summer 86 1949 57 1960 104 1988-06-25 31 1972-06-11
Autumn 68.5 2016 37.9 1976 101 1953-09-03 3 1976-11-30

 

Temperature Threshold Climatology Derived from 1991-2020 Normals
*Annual/seasonal totals may differ from the sum of the monthly totals due to rounding
Month # Days
Max ≥ 90°F		 # Days
Max ≤ 32°F		 # Days
Min ≤ 32°F		 # Days
Min ≤ 0°F
January 0 13.6 25.8 1.5
February 0 10.4 23.5 1.1
March 0 4 20.3 0
April 0 0.2 6.3 0
May 0.4 0 0.2 0
June 2.8 0 0 0
July 4.7 0 0 0
August 3.1 0 0 0
September 1.4 0 0 0
October 0 0 1 0
November 0 1.1 11.6 0
December 0 7.9 22.1 0.1
Annual 12.4 37.2 110.8 2.7
Winter 0 31.9 71.4 2.7
Spring 0.4 4.2 26.8 0
Summer 10.6 0 0 0
Autumn 1.4 1.1 12.6 0