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Midwest Climate
Climate Summaries
Temperature
Temperature Summary for Station USW00014839 - MILWAUKEE MITCHELL AP, WI
1981-2010 NCEI Normals
Element
JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC
ANN
Max °F
28.9
32.5
42.4
53.8
64.9
75.3
80.1
78.5
71.3
59.3
46
32.8
55.6
Min °F
15.6
19.3
27.7
37.3
46.5
57.1
63.5
63
54.9
43.2
32
20.1
40.1
Mean °F
22.3
25.9
35
45.6
55.7
66.2
71.8
70.7
63.1
51.3
39
26.5
47.9
HDD
base 65
1325
1095
929
588
313
84
11
15
126
433
780
1195
6894
CDD
base 65
0
0
0
5
25
120
222
193
69
7
0
0
641
Temperature Extremes - Period of Record: 1938-04-01 to 2021-04-09
Month
High
Mean °F
Year
Low
Mean °F
Year
1-Day
Max °F
Date
1-Day
Min °F
Date
January
34
2006
8.3
1977
63
2008-01-07
-26
1982-01-17
February
34.5
1998
14.3
2015
71
2017-02-22
-26
1996-02-03
March
48.8
2012
21.5
1960
84
2012-03-21
-10
1962-03-01
April
51
2010
37.7
1975
91
1980-04-22
12
1982-04-07
May
63.2
1991
49.5
1966
95
2018-05-27
21
1966-05-10
June
72.2
1987
58.9
1969
101
1988-06-21
33
1945-06-04
July
78.6
2012
66.7
1962
103
2012-07-05
40
1965-07-01
August
76.3
1955
65.6
1950
103
1988-08-01
44
1982-08-29
September
68.6
2016
58
1974
98
1953-09-01
28
1974-09-23
October
59.4
1947
45.6
1980
89
1963-10-06
18
1981-10-24
November
47.4
2001
29.4
1959
77
2016-11-01
-5
1950-11-24
December
37.7
2015
13.2
1963
68
2021-12-16
-20
1983-12-24
Annual
60.3
2012
35.5
1963
103
2012-07-05
-26
1996-02-03
Winter
38.4
2002
7.8
1963
71
2017-02-22
-26
1996-02-03
Spring
60.9
2012
30.8
1971
95
2018-05-27
-10
1962-03-01
Summer
84
1988
55.5
1960
103
1988-08-01
33
1945-06-04
Autumn
65.3
2016
37.3
1976
98
1953-09-01
-5
1950-11-24
Temperature Threshold Climatology Derived from 1981-2010 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
18.1
29.1
3.7
February
0
12.8
25.2
1.6
March
0
4.6
21.6
0.1
April
0
0.3
6.3
0
May
0.2
0
0.3
0
June
1.5
0
0
0
July
2.9
0
0
0
August
2
0
0
0
September
0.4
0
0
0
October
0
0
2.3
0
November
0
2.6
14.4
0
December
0
13.1
26.4
1.5
Annual
7
51.5
125.5
6.9
Winter
0
44
80.7
6.8
Spring
0.2
5
28.2
0.1
Summer
6.4
0
0
0
Autumn
0.4
2.6
16.7
0