Historical Climate Data

Temperature Summary
Station: 219067 WINONA, MN

1971-2000 NCDC Normals

 

Element JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
Max °F 25.9 32.8 44.3 59.7 73.0 81.2 85.3 82.6 74.4 61.8 44.3 30.3 58.0
Min °F 9.2 15.8 27.0 39.8 51.3 60.9 66.3 63.7 54.4 42.8 29.8 15.9 39.7
Mean °F 17.6 24.3 35.7 49.8 62.2 71.1 75.8 73.2 64.4 52.3 37.1 23.1 48.9
HDD
base 65
1472 1139 910 468 176 22 5 8 102 400 839 1298 6839
CDD
base 65
0 0 0 11 88 203 339 259 84 6 0 0 990

Temperature Extremes
Period of Record: 1896-2001

Month High
Mean°F
Year Low
Mean°F
Year 1-Day
Max°F
Date 1-Day
Min°F
Date
JAN 29.5 1990 -1.0 1912 64 01-25-1944 -35 01-12-1912
FEB 34.7 1998 4.6 1936 68 02-19-1981 -33 02-01-1918
MAR 46.6 1910 20.8 1960 84 03-23-1910 -28 03-01-1962
APR 57.1 1915 37.8 1975 96 04-30-1952 4 04-01-1924
MAY 70.4 1934 50.2 1907 107 05-31-1934 21 05-01-1956
JUN 81.4 1933 61.0 1969 106 06-28-1931 35 06-09-1937
JUL 81.0 1936 68.0 1992 108 07-12-1936 43 07-01-1924
AUG 78.8 1947 65.2 1915 103 08-24-1948 33 08-30-1915
SEP 70.6 1931 55.0 1918 102 09-06-1922 25 09-28-1942
OCT 60.9 1947 39.7 1917 93 10-07-1963 7 10-30-1925
NOV 50.0 2001 26.0 1896 84 11-01-1950 -11 11-26-1977
DEC 33.6 1931 4.3 1985 65 12-05-1998 -28 12-19-1983
 
Annual 52.7 1931 40.9 1929 108 07-12-1936 -35 01-12-1912
Winter 29.2 1998 7.9 1979 68 02-19-1981 -35 01-12-1912
Spring 53.8 1977 39.8 1975 107 05-31-1934 -28 03-01-1962
Summer 77.4 1933 65.8 1915 108 07-12-1936 33 08-30-1915
Fall 55.3 1953 42.3 1896 102 09-06-1922 -11 11-26-1977

Temperature Threshold Climatology
Derived from 1971-2000 Averages


*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
JAN 0.0 21.4 30.6 12.6
FEB 0.0 14.1 26.8 7.2
MAR 0.0 5.2 24.5 1.6
APR 0.3 0.3 9.8 0.0
MAY 0.8 0.0 0.9 0.0
JUN 3.6 0.0 0.0 0.0
JUL 6.8 0.0 0.0 0.0
AUG 3.3 0.0 0.0 0.0
SEP 1.0 0.0 0.8 0.0
OCT 0.1 0.0 7.7 0.0
NOV 0.0 4.7 21.4 0.5
DEC 0.0 17.1 29.8 7.0
 
Annual 15.9 65.1 155.3 30.0
Winter 0.0 52.4 87.2 26.7
Spring 1.1 5.5 35.9 1.6
Summer 13.9 0.0 0.0 0.0
Fall 1.0 4.7 29.7 0.5