Sioux Falls Weather in 2018

Historical record of Sioux Falls, South Dakota weather for the year 2018 based on NOAA data.
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2018 Sioux Falls Weather Extremes
Highest temperature 95 °F July 12
Lowest temperature -25 °F January 2
Highest daily low 77 °F June 15
Lowest daily high -7 °F January 1
Most daily precipitation 3.4 inches June 20
Most daily snow 13.7 inches April 14
Total annual precipitation 39.2 inches -
Total annual snow 70.9 inches -
January 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
-7 -24 0.00 0.0
20 -25 0.00 0.0
14 -4 0.00 0.0
10 -3 0.00 0.0
9 3 0.00 0.0
18 1 0.00 0.0
37 17 0.00 0.0
40 14 0.00 0.0
44 24 0.00 0.0
37 23 0.00 0.0
22 -4 0.04 1.2
6 -8 0.00 0.0
11 -8 0.00 0.0
28 6 0.04 0.4
6 -5 0.00 0.0
7 -7 0.00 0.0
32 4 0.00 0.0
40 10 0.00 0.0
52 26 0.00 0.0
45 22 0.00 0.0
42 27 0.02 0.2
32 24 0.21 2.5
26 21 0.00 0.0
31 14 0.00 0.0
38 13 0.00 0.0
46 29 0.00 0.0
42 21 0.07 1.5
21 1 0.00 0.0
19 -3 0.00 0.0
36 10 0.00 0.0
43 12 0.00 0.0
February 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
13 2 0.00 0.0
31 0 0.00 0.0
41 5 0.00 0.0
10 -2 0.00 0.0
17 -7 0.14 2.3
8 -13 0.00 0.0
12 -1 0.03 0.5
16 -4 0.23 2.9
9 1 0.01 0.1
6 -10 0.00 0.0
20 -6 0.00 0.0
13 -10 0.01 0.1
29 12 0.00 0.0
48 9 0.00 0.0
34 9 0.00 0.1
25 1 0.00 0.0
33 13 0.11 1.3
44 19 0.00 0.0
19 14 0.01 0.2
14 1 0.16 2.5
20 -8 0.00 0.0
25 7 0.31 3.6
24 14 0.00 0.0
21 11 0.15 1.6
32 9 0.00 0.0
42 9 0.00 0.0
37 15 0.00 0.0
37 13 0.00 0.0
March 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
37 14 0.00 0.0
41 14 0.00 0.0
46 32 0.00 0.0
48 39 0.00 0.0
43 22 0.31 3.7
30 18 0.03 0.4
24 19 0.00 0.1
31 10 0.00 0.0
36 25 0.01 0.2
38 27 0.05 0.3
33 24 0.00 0.0
40 20 0.00 0.0
41 20 0.00 0.0
56 26 0.00 0.0
44 24 0.00 0.0
40 30 0.27 0.2
38 30 0.00 0.0
41 33 0.00 0.0
42 33 0.00 0.0
36 32 0.15 1.0
51 29 0.00 0.0
52 27 0.00 0.0
44 34 0.91 0.0
34 28 0.19 1.5
34 29 0.04 0.0
35 32 0.10 0.0
55 33 0.00 0.0
50 31 0.00 0.0
40 24 0.00 0.0
50 24 0.00 0.0
50 19 0.00 0.0
April 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
36 16 0.00 0.0
37 24 0.03 0.6
32 9 0.44 5.3
30 5 0.00 0.0
47 20 0.00 0.0
27 15 0.00 0.0
38 12 0.00 0.0
30 27 0.30 4.8
37 27 0.00 0.0
58 29 0.00 0.0
53 31 0.00 0.0
60 31 0.00 0.0
46 32 0.67 0.5
32 22 1.28 13.7
28 21 0.02 0.3
34 16 0.00 0.0
41 18 0.00 0.0
36 30 0.40 6.2
50 23 0.00 0.0
49 28 0.00 0.0
51 37 0.00 0.0
63 31 0.00 0.0
70 33 0.00 0.0
51 38 0.00 0.0
61 28 0.00 0.0
61 37 0.00 0.0
64 34 0.00 0.0
61 30 0.00 0.0
76 44 0.00 0.0
85 59 0.20 0.0
May 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
67 48 0.00 0.0
66 40 0.00 0.0
71 45 0.00 0.0
78 47 0.00 0.0
84 50 0.00 0.0
78 51 0.00 0.0
81 51 0.00 0.0
70 52 0.77 0.0
76 52 0.00 0.0
59 42 0.48 0.0
51 42 0.76 0.0
55 45 0.00 0.0
66 49 0.03 0.0
72 50 0.00 0.0
77 46 0.00 0.0
84 50 0.00 0.0
82 53 0.00 0.0
76 55 0.00 0.0
63 47 0.00 0.0
60 48 0.02 0.0
68 53 0.13 0.0
79 46 0.00 0.0
86 63 0.00 0.0
86 63 0.23 0.0
89 61 0.00 0.0
93 57 0.00 0.0
95 62 0.00 0.0
89 67 0.00 0.0
82 61 0.05 0.0
81 62 0.01 0.0
88 56 0.00 0.0
June 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
91 58 0.21 0.0
75 55 0.22 0.0
78 52 0.00 0.0
88 51 0.00 0.0
95 63 0.00 0.0
91 66 0.00 0.0
78 62 0.04 0.0
87 62 0.03 0.0
82 65 0.19 0.0
88 66 0.00 0.0
78 67 0.03 0.0
78 54 0.00 0.0
79 47 0.12 0.0
87 59 0.00 0.0
93 77 0.00 0.0
95 76 0.00 0.0
88 66 0.56 0.0
74 66 0.05 0.0
72 64 0.00 0.0
64 58 3.35 0.0
73 56 1.34 0.0
78 56 0.00 0.0
76 58 0.00 0.0
82 65 0.12 0.0
74 62 0.78 0.0
81 66 0.00 0.0
85 62 0.08 0.0
85 61 0.00 0.0
90 75 0.00 0.0
78 66 0.17 0.0
July 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
80 61 1.52 0.0
83 64 0.00 0.0
87 69 0.00 0.0
88 70 0.20 0.0
80 62 0.00 0.0
82 59 0.00 0.0
86 65 0.00 0.0
90 69 0.00 0.0
92 70 0.00 0.0
89 71 0.00 0.0
95 74 0.00 0.0
95 67 1.53 0.0
82 67 0.65 0.0
84 62 0.00 0.0
87 63 0.00 0.0
84 58 0.00 0.0
83 61 0.00 0.0
81 61 0.31 0.0
82 65 0.30 0.0
82 62 0.00 0.0
81 63 0.00 0.0
82 63 0.00 0.0
81 64 0.40 0.0
85 57 0.00 0.0
83 62 0.03 0.0
75 57 0.00 0.0
77 52 0.00 0.0
79 54 0.00 0.0
80 54 0.00 0.0
81 58 0.00 0.0
83 55 0.00 0.0
August 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
76 54 0.09 0.0
78 48 0.00 0.0
88 68 0.67 0.0
84 69 0.29 0.0
76 60 1.09 0.0
85 59 0.62 0.0
82 60 0.04 0.0
87 64 0.00 0.0
85 64 0.00 0.0
86 61 0.00 0.0
88 69 0.00 0.0
88 70 0.00 0.0
90 67 0.00 0.0
86 69 0.23 0.0
84 64 0.06 0.0
78 65 0.64 0.0
84 62 0.00 0.0
82 61 0.00 0.0
77 66 0.57 0.0
74 61 0.17 0.0
73 54 0.00 0.0
76 50 0.00 0.0
74 61 0.03 0.0
81 66 0.01 0.0
84 59 0.00 0.0
87 70 0.00 0.0
78 66 0.16 0.0
66 53 0.65 0.0
75 49 0.00 0.0
76 60 0.00 0.0
82 68 0.01 0.0
September 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
82 64 0.00 0.0
81 67 0.00 0.0
79 64 0.00 0.0
73 68 0.42 0.0
74 54 0.06 0.0
75 48 0.00 0.0
74 52 0.00 0.0
73 48 0.00 0.0
74 54 0.00 0.0
79 59 0.00 0.0
85 62 0.00 0.0
85 65 0.00 0.0
79 66 0.00 0.0
85 69 0.00 0.0
93 71 0.00 0.0
90 71 0.00 0.0
77 64 0.00 0.0
70 61 0.71 0.0
71 61 2.66 0.0
69 55 3.07 0.0
59 45 0.00 0.0
70 45 0.00 0.0
78 52 0.00 0.0
66 56 0.00 0.0
63 47 0.40 0.0
66 43 0.00 0.0
65 48 0.00 0.0
57 38 0.00 0.0
47 36 0.00 0.0
55 45 0.00 0.0
October 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
53 46 0.02 0.0
60 49 0.00 0.0
86 37 0.00 0.0
44 32 0.27 0.0
48 41 0.00 0.0
50 37 0.00 0.0
49 41 0.09 0.0
52 47 0.20 0.0
47 42 1.55 0.0
44 34 0.13 0.0
38 29 0.00 0.0
42 30 0.04 0.0
59 31 0.00 0.0
39 29 0.15 2.8
46 26 0.00 0.0
61 36 0.00 0.0
57 30 0.00 0.0
71 35 0.00 0.0
66 44 0.00 0.0
47 30 0.00 0.0
66 31 0.00 0.0
67 30 0.00 0.0
55 25 0.00 0.0
59 34 0.00 0.0
53 46 0.13 0.0
63 38 0.00 0.0
63 33 0.03 0.0
59 36 0.00 0.0
67 33 0.00 0.0
56 36 0.00 0.0
60 32 0.00 0.0
November 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
58 28 0.04 0.0
44 40 0.25 0.0
45 40 0.29 0.0
43 38 0.00 0.0
45 36 0.39 0.0
39 27 0.00 0.0
30 20 0.00 0.0
31 16 0.04 0.9
23 9 0.00 0.0
29 9 0.00 0.0
32 20 0.00 0.0
24 10 0.00 0.0
40 10 0.00 0.0
53 18 0.00 0.0
59 27 0.00 0.0
38 25 0.00 0.0
25 9 0.00 0.0
40 9 0.00 0.0
34 10 0.00 0.0
51 9 0.00 0.0
41 21 0.00 0.0
62 28 0.00 0.0
51 35 0.00 0.0
42 26 0.00 0.0
28 17 0.00 0.0
24 10 0.00 0.0
26 6 0.00 0.0
29 25 0.02 0.1
37 21 0.00 0.0
34 30 0.00 0.0
December 2018 Sioux Falls Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
33 29 0.21 0.7
31 24 0.04 0.5
25 22 0.00 0.0
29 21 0.00 0.0
33 17 0.00 0.0
24 17 0.01 0.1
29 11 0.00 0.0
27 8 0.00 0.0
26 13 0.00 0.0
32 12 0.00 0.0
31 10 0.01 0.1
34 26 0.00 0.0
43 21 0.00 0.0
46 19 0.00 0.0
47 19 0.00 0.0
49 22 0.00 0.0
47 19 0.00 0.0
44 28 0.00 0.0
47 24 0.00 0.0
42 23 0.00 0.0
30 21 0.00 0.0
41 28 0.00 0.0
34 14 0.00 0.0
38 16 0.00 0.0
33 26 0.00 0.0
37 27 0.50 1.2
37 17 0.40 3.4
17 -4 0.00 0.1
22 -7 0.00 0.0
34 20 0.00 0.0
33 0 0.06 1.1
Weather Station Details
Years Station Coordinates
1932–2022 Sioux Falls location