Spearfish Average Weather by Day
Data and chart of the the average high and low temperature for every day of the year in
Spearfish, South Dakota , based on NOAA data.
Change city
What's the hottest day of the year in Spearfish?
On average, July 26 is the hottest day of the year Spearfish, South Dakota. From 1991–2020, the average high temperature on July 26 was 86.2 °F and the average low was 60.3 °F.
What's the coldest day of the year in Spearfish?
On average, January 5 is the coldest day of the year Spearfish, South Dakota. From 1991–2020, the average high temperature on January 5 was 36.5 °F, and the average low was 16.4 °F.
Average Temperature by Day
Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.
Day
Average (°F)
High
Low
January 1
36.7
16.7
January 2
36.7
16.5
January 3
36.6
16.4
January 4
36.5
16.3
January 5
36.5
16.4
January 6
36.6
16.4
January 7
36.8
16.6
January 8
36.8
16.6
January 9
36.8
16.5
January 10
36.8
16.6
January 11
36.8
16.6
January 12
37.0
16.8
January 13
37.2
16.8
January 14
37.3
17.0
January 15
37.3
17.1
January 16
37.5
17.1
January 17
37.5
17.4
January 18
37.6
17.4
January 19
37.6
17.5
January 20
37.8
17.7
January 21
37.9
17.7
January 22
37.8
17.6
January 23
37.9
17.6
January 24
37.9
17.6
January 25
37.7
17.5
January 26
37.7
17.3
January 27
37.8
17.4
January 28
37.7
17.4
January 29
37.8
17.4
January 30
37.9
17.5
January 31
38.0
17.5
February 1
38.0
17.6
February 2
38.1
17.6
February 3
38.2
17.7
February 4
38.3
17.7
February 5
38.3
17.7
February 6
38.3
17.7
February 7
38.4
17.8
February 8
38.5
17.9
February 9
38.5
17.8
February 10
38.4
17.7
February 11
38.3
17.6
February 12
38.1
17.4
February 13
38.2
17.4
February 14
38.1
17.5
February 15
38.0
17.4
February 16
38.1
17.5
February 17
38.2
17.5
February 18
38.3
17.5
February 19
38.3
17.6
February 20
38.5
17.9
February 21
38.6
17.9
February 22
38.9
18.1
February 23
39.3
18.4
February 24
39.7
18.8
February 25
40.2
19.2
February 26
40.8
19.7
February 27
41.1
20.1
February 28
41.5
20.3
March 1
41.9
20.8
March 2
42.3
21.1
March 3
42.5
21.4
March 4
42.9
21.5
March 5
43.2
21.9
March 6
43.6
22.2
March 7
44.0
22.5
March 8
44.4
22.8
March 9
44.8
23.1
March 10
45.2
23.5
March 11
45.5
23.8
March 12
46.0
24.2
March 13
46.5
24.7
March 14
47.1
25.2
March 15
47.5
25.7
March 16
48.1
26.1
March 17
48.5
26.6
March 18
49.0
27.0
March 19
49.4
27.3
March 20
49.7
27.6
March 21
50.0
27.8
March 22
50.5
28.2
March 23
50.9
28.6
March 24
51.1
28.9
March 25
51.4
29.1
March 26
51.6
29.3
March 27
51.7
29.3
March 28
51.9
29.4
March 29
52.0
29.6
March 30
52.2
29.8
March 31
52.5
30.1
April 1
52.8
30.3
April 2
53.1
30.5
April 3
53.3
30.7
April 4
53.5
31.0
April 5
53.7
31.2
April 6
53.9
31.5
April 7
54.1
31.7
April 8
54.6
32.1
April 9
55.1
32.5
April 10
55.4
32.9
April 11
55.6
33.1
April 12
55.8
33.3
April 13
56.2
33.5
April 14
56.3
33.8
April 15
56.6
34.0
April 16
56.6
34.2
April 17
56.8
34.4
April 18
57.1
34.7
April 19
57.4
35.1
April 20
57.7
35.5
April 21
58.1
35.8
April 22
58.5
36.1
April 23
58.8
36.5
April 24
59.0
36.8
April 25
59.3
37.1
April 26
59.6
37.5
April 27
59.8
37.7
April 28
60.0
37.9
April 29
60.3
38.2
April 30
60.7
38.5
May 1
61.1
38.9
May 2
61.5
39.2
May 3
61.9
39.6
May 4
62.3
39.9
May 5
62.7
40.3
May 6
63.2
40.7
May 7
63.4
41.0
May 8
63.6
41.3
May 9
63.7
41.5
May 10
64.0
41.9
May 11
64.4
42.2
May 12
64.7
42.5
May 13
65.1
42.8
May 14
65.5
43.2
May 15
66.0
43.6
May 16
66.5
44.0
May 17
66.9
44.4
May 18
67.2
44.8
May 19
67.5
45.1
May 20
67.9
45.4
May 21
68.2
45.7
May 22
68.5
46.0
May 23
69.0
46.4
May 24
69.4
46.8
May 25
69.8
47.1
May 26
70.2
47.5
May 27
70.6
48.0
May 28
71.0
48.3
May 29
71.2
48.5
May 30
71.4
48.9
May 31
71.6
49.1
June 1
71.8
49.3
June 2
72.1
49.6
June 3
72.3
49.9
June 4
72.5
50.1
June 5
72.7
50.3
June 6
73.1
50.6
June 7
73.6
51.0
June 8
74.1
51.3
June 9
74.5
51.6
June 10
75.0
52.0
June 11
75.3
52.2
June 12
75.7
52.5
June 13
76.1
52.9
June 14
76.5
53.1
June 15
77.0
53.4
June 16
77.3
53.7
June 17
77.6
54.0
June 18
77.9
54.3
June 19
78.3
54.5
June 20
78.6
54.8
June 21
78.9
55.1
June 22
79.2
55.4
June 23
79.6
55.7
June 24
80.0
55.9
June 25
80.3
56.2
June 26
80.6
56.4
June 27
81.0
56.7
June 28
81.3
56.9
June 29
81.6
57.2
June 30
82.0
57.5
July 1
82.4
57.7
July 2
82.8
57.9
July 3
83.2
58.2
July 4
83.6
58.5
July 5
84.0
58.7
July 6
84.3
58.9
July 7
84.5
59.0
July 8
84.6
59.2
July 9
84.8
59.4
July 10
85.0
59.6
July 11
85.2
59.7
July 12
85.2
59.8
July 13
85.3
59.9
July 14
85.4
59.9
July 15
85.5
60.0
July 16
85.6
60.0
July 17
85.7
60.1
July 18
85.9
60.2
July 19
86.0
60.2
July 20
86.1
60.2
July 21
86.1
60.2
July 22
86.1
60.2
July 23
86.1
60.2
July 24
86.1
60.2
July 25
86.1
60.3
July 26
86.2
60.3
July 27
86.1
60.2
July 28
86.1
60.2
July 29
86.1
60.2
July 30
85.9
60.1
July 31
85.8
60.0
August 1
85.6
59.8
August 2
85.4
59.7
August 3
85.3
59.5
August 4
85.2
59.4
August 5
85.1
59.3
August 6
85.0
59.2
August 7
85.0
59.1
August 8
85.0
59.0
August 9
84.9
59.0
August 10
84.9
58.8
August 11
84.8
58.7
August 12
84.8
58.7
August 13
84.8
58.6
August 14
84.7
58.6
August 15
84.5
58.4
August 16
84.3
58.2
August 17
84.2
58.1
August 18
84.0
58.0
August 19
83.9
57.8
August 20
84.0
57.8
August 21
83.9
57.6
August 22
83.7
57.4
August 23
83.5
57.2
August 24
83.3
56.9
August 25
83.1
56.7
August 26
82.8
56.4
August 27
82.5
56.1
August 28
82.3
55.8
August 29
82.0
55.5
August 30
81.7
55.2
August 31
81.4
54.9
September 1
81.1
54.6
September 2
80.8
54.3
September 3
80.6
54.0
September 4
80.3
53.7
September 5
79.8
53.3
September 6
79.3
53.0
September 7
78.8
52.5
September 8
78.3
52.1
September 9
77.9
51.7
September 10
77.4
51.3
September 11
77.0
50.9
September 12
76.5
50.6
September 13
76.1
50.3
September 14
75.8
49.9
September 15
75.4
49.6
September 16
75.1
49.3
September 17
74.8
49.0
September 18
74.2
48.5
September 19
73.6
48.1
September 20
72.9
47.6
September 21
72.3
47.2
September 22
71.7
46.8
September 23
71.2
46.3
September 24
70.7
45.9
September 25
70.2
45.5
September 26
69.6
45.0
September 27
69.1
44.7
September 28
68.6
44.2
September 29
68.1
43.8
September 30
67.5
43.5
October 1
67.0
43.1
October 2
66.5
42.8
October 3
66.0
42.4
October 4
65.6
42.0
October 5
65.3
41.8
October 6
65.0
41.5
October 7
64.7
41.3
October 8
64.3
40.9
October 9
63.8
40.5
October 10
63.3
40.1
October 11
62.7
39.6
October 12
62.2
39.1
October 13
61.6
38.7
October 14
61.0
38.2
October 15
60.3
37.5
October 16
59.6
37.1
October 17
59.1
36.7
October 18
58.6
36.4
October 19
58.3
36.1
October 20
57.9
35.7
October 21
57.6
35.5
October 22
57.2
35.1
October 23
56.9
34.8
October 24
56.5
34.5
October 25
56.3
34.2
October 26
55.9
33.9
October 27
55.5
33.5
October 28
55.1
33.2
October 29
54.7
32.8
October 30
54.2
32.4
October 31
53.7
32.1
November 1
53.3
31.8
November 2
52.9
31.5
November 3
52.5
31.1
November 4
52.1
30.8
November 5
51.6
30.4
November 6
51.2
30.1
November 7
50.9
29.7
November 8
50.5
29.4
November 9
50.0
29.0
November 10
49.6
28.7
November 11
49.2
28.4
November 12
48.7
28.1
November 13
48.3
27.8
November 14
48.0
27.5
November 15
47.7
27.1
November 16
47.4
26.7
November 17
47.0
26.4
November 18
46.6
26.1
November 19
46.2
25.8
November 20
45.8
25.4
November 21
45.3
25.0
November 22
44.8
24.6
November 23
44.3
24.2
November 24
43.9
23.9
November 25
43.6
23.7
November 26
43.4
23.6
November 27
43.1
23.3
November 28
43.0
23.1
November 29
42.9
23.0
November 30
42.5
22.6
December 1
42.1
22.3
December 2
41.7
22.0
December 3
41.3
21.7
December 4
41.0
21.4
December 5
40.7
21.2
December 6
40.5
21.1
December 7
40.3
20.9
December 8
40.1
20.7
December 9
39.8
20.4
December 10
39.6
20.1
December 11
39.6
20.0
December 12
39.4
19.9
December 13
39.2
19.6
December 14
39.0
19.5
December 15
38.8
19.3
December 16
38.5
19.1
December 17
38.3
18.8
December 18
38.1
18.5
December 19
38.1
18.3
December 20
38.0
18.2
December 21
38.0
18.1
December 22
37.8
18.1
December 23
37.7
17.9
December 24
37.7
17.8
December 25
37.6
17.6
December 26
37.4
17.5
December 27
37.3
17.4
December 28
37.1
17.3
December 29
36.8
17.1
December 30
36.7
16.9
December 31
36.7
16.8
Weather Station Details
Years
Station
Coordinates
1893–2024
Spearfish
location