National Weather Service United States Department of Commerce

First Day of Winter in Sioux City

Average High Temperature (period of record): 33 Degrees

Average Low Temperature (period of record): 15 Degrees

Average Temperature (period of record): 23 Degrees

Average Precipitation (period of record):  0.03"

Average Snowfall (period of record): 0.2"

Percentage of Days with Precipitation (period of record):  41%

Percentage of Days with Snowfall (period of record):  31%

Most Precipitation Recorded: 0.59" on December 21, 2006

Most Snowfall Recorded:  11.8" on December 21, 1920

Record High Temperature:  61 on December 22, 1933

Record Low Temperature: -22 on December 21, 1989

Coldest High Temperature: -13 on December 21, 1989

Warmest Overnight Low: 37 on December 21, 1941

 

Year

Date

Max

Min

Precip

Snowfall

Depth

1889
12/21
35
29
0.26
1.5
 
1890
12/21
55
29
0
0
 
1891
12/21
45
36
0.56
0
 
1892
12/21
19
-2
T
0
 
1893
12/21
38
19
0
0
1
1894
12/21
43
34
0
0
0
1895
12/21
42
24
0
0
0
1896
12/21
43
16
0
0
0
1897
12/21
20
-6
T
T
14
1898
12/21
39
24
0
0
1
1899
12/21
44
19
0
0
0
1900
12/22
39
27
0.05
0.7
1
1901
12/22
40
13
0
0
1
1902
12/22
22
14
T
T
4
1903
12/22
42
13
0
0
T
1904
12/22
53
28
0
0
0
1905
12/22
34
18
0
0
T
1906
12/22
21
14
T
T
T
1907
12/22
39
23
0
0
T
1908
12/21
37
19
0
0
0
1909
12/22
17
14
T
T
4
1910
12/22
33
24
0.12
2.0
1
1911
12/22
29
18
0.04
0.6
4
1912
12/21
31
16
0
0
T
1913
12/22
29
13
0
0
0
1914
12/22
32
13
0
0
6
1915
12/22
50
25
T
0
1
1916
12/21
3
-15
0
0
1
1917
12/22
36
18
0
0
T
1918
12/22
36
13
T
M
T
1919
12/22
31
26
0
0
4
1920
12/21
24
11
0.58
11.8
12
1921
12/22
23
8
T
T
T
1922
12/22
48
30
0
0
T
1923
12/22
36
27
T
0
0
1924
12/21
5
-9
0.08
0.6
5
1925
12/22
17
4
0
0
4
1926
12/22
34
28
T
0
2
1927
12/22
24
10
T
T
T
1928
12/21
24
13
0
0
T
1929
12/22
16
-2
T
T
T
1930
12/22
27
12
0
0
1
1931
12/22
48
33
0
0
0
1932
12/21
40
25
0
0
1
1933
12/22
61
36
0
0
0
1934
12/22
48
25
T
0
1
1935
12/22
41
20
0.07
0.8
T
1936
12/21
37
24
0
0
T
1937
12/22
37
15
0
0
T
1938
12/22
34
24
0.25
2.2
2
1939
12/22
36
18
0
0
T
1940
12/21
46
24
0
0
6
1941
12/21
60
37
0
0
0
1942
12/22
38
20
0
M
T
1943
12/22
24
-2
0
0
0
1944
12/21
18
-1
0
0
0
1945
12/21
15
3
T
T
1
1946
12/22
46
15
0
0
T
1947
12/22
33
22
T
T
1
1948
12/21
34
14
0
0
2
1949
12/21
20
5
T
T
T
1950
12/22
54
15
0
0
T
1951
12/22
20
-15
T
T
5
1952
12/21
29
2
0
0
6
1953
12/21
34
5
0.04
0.4
T
1954
12/22
53
21
0
0
T
1955
12/22
35
18
0
0
1
1956
12/21
47
22
0
0
1
1957
12/21
50
25
0
0
0
1958
12/22
46
22
0
0
0
1959
12/22
34
31
T
0
T
1960
12/21
10
-3
0
0
T
1961
12/21
20
-6
0
0
7
1962
12/22
40
9
0.08
T
0
1963
12/22
8
-14
0
0
3
1964
12/21
29
11
0
0
4
1965
12/21
57
23
0
0
0
1966
12/22
22
13
0
0
0
1967
12/22
17
7
0
0
T
1968
12/21
25
12
0.44
4.5
4
1969
12/21
33
12
0
0
2
1970
12/22
31
12
T
T
4
1971
12/22
35
24
T
0
T
1972
12/21
31
23
0
0
3
1973
12/21
24
11
0
0
2
1974
12/21
25
17
0
0
3
1975
12/22
26
18
T
T
T
1976
12/21
30
-3
0
0
T
1977
12/21
23
7
T
T
2
1978
12/21
36
14
0
0
5
1979
12/22
45
17
0.04
0
0
1980
12/21
26
14
0
0
0
1981
12/21
33
19
0
0
3
1982
12/21
50
24
0
0
0
1983
12/22
-7
-18
0
0
13
1984
12/21
36
16
0.07
T
T
1985
12/21
30
2
0
0
5
1986
12/21
30
12
0
0
T
1987
12/22
45
24
0
0
0
1988
12/21
36
23
0
0
0
1989
12/21
-13
-22
T
T
2
1990
12/21
-6
-12
0.03
0.5
1
1991
12/22
44
32
0
0
0
1992
12/21
42
20
0
0
T
1993
12/21
36
10
T
T
3
1994
12/21
38
22
T
0
5
1995
12/22
25
19
T
0.1
T
1996
12/21
32
10
0
0
1
1997
12/21
30
14
0.02
0
0
1998
12/21
9
-1
T
T
1
1999
12/22
10
-6
T
T
2
2000
12/21
8
-4
T
T
12
2001
12/21
46
17
0
0
0
2002
12/21
30
16
0
0
0
2003
12/22
43
29
0
0
0
2004
12/21
36
5
T
T
0
2005
12/21
33
5
0
0
1
2006
12/21
39
35
0.59
0
0
2007 12/22 32 8 T T 2
2008 12/21 0 -6 T T 16
2009 12/21 34 25 0.01 0 6
2010 12/21 34 13 0 0 4
2011 12/21 42 14 0.02 0.1 0
2012 12/21 21 3 0 0 4
2013 12/21 26 10 0 0 T
2014 12/21 43 33 T 0 0
2015 12/21 31 26 0 0 0
2016 12/21 48 27 0 0 1
2017 12/21 39 20 0.04 1.0 0
2018 12/21 29 23 T T T
2019 12/21 50 18 0 0 T
2020 12/21 51 25 0 0 0
2021 12/21 41 11 0 0 0
2022 12/21          
2023 12/21