Watertown Average Weather by Day
Data and chart of the the average high and low temperature for every day of the year in
Watertown, South Dakota , based on NOAA data.
Change city
What's the hottest day of the year in Watertown?
On average, July 18 is the hottest day of the year Watertown, South Dakota. From 1991–2020, the average high temperature on July 18 was 82.3 °F and the average low was 60.2 °F.
What's the coldest day of the year in Watertown?
On average, January 13 is the coldest day of the year Watertown, South Dakota. From 1991–2020, the average high temperature on January 13 was 21.4 °F, and the average low was 3.2 °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
22.6
5.2
January 2
22.4
5.0
January 3
22.3
4.8
January 4
22.1
4.4
January 5
22.0
4.2
January 6
21.8
4.0
January 7
21.8
4.0
January 8
21.7
4.0
January 9
21.6
3.8
January 10
21.5
3.5
January 11
21.4
3.4
January 12
21.3
3.2
January 13
21.4
3.2
January 14
21.4
3.2
January 15
21.4
3.2
January 16
21.5
3.2
January 17
21.6
3.3
January 18
21.7
3.4
January 19
21.9
3.6
January 20
22.0
3.6
January 21
22.1
3.6
January 22
22.2
3.8
January 23
22.3
3.9
January 24
22.3
3.9
January 25
22.4
3.8
January 26
22.5
3.8
January 27
22.6
3.7
January 28
22.8
3.9
January 29
22.9
3.9
January 30
23.1
4.2
January 31
23.3
4.3
February 1
23.4
4.5
February 2
23.6
4.8
February 3
23.9
5.1
February 4
24.2
5.3
February 5
24.4
5.4
February 6
24.6
5.6
February 7
24.8
5.8
February 8
25.1
6.0
February 9
25.3
6.2
February 10
25.4
6.3
February 11
25.4
6.3
February 12
25.5
6.4
February 13
25.7
6.6
February 14
25.9
6.9
February 15
26.1
6.9
February 16
26.2
6.9
February 17
26.4
7.1
February 18
26.7
7.4
February 19
27.0
7.7
February 20
27.3
8.0
February 21
27.4
8.2
February 22
27.7
8.6
February 23
28.0
9.0
February 24
28.4
9.4
February 25
28.8
9.8
February 26
29.3
10.3
February 27
29.9
10.9
February 28
30.3
11.3
March 1
30.7
11.8
March 2
31.3
12.4
March 3
31.8
12.9
March 4
32.2
13.4
March 5
32.7
13.9
March 6
33.1
14.4
March 7
33.5
14.7
March 8
34.0
15.2
March 9
34.5
15.7
March 10
35.0
16.2
March 11
35.5
16.7
March 12
36.1
17.3
March 13
36.8
17.8
March 14
37.5
18.5
March 15
38.2
19.1
March 16
38.8
19.9
March 17
39.6
20.6
March 18
40.2
21.2
March 19
40.7
21.6
March 20
41.2
22.0
March 21
41.8
22.4
March 22
42.6
22.8
March 23
43.2
23.3
March 24
43.8
23.9
March 25
44.4
24.4
March 26
44.9
24.8
March 27
45.3
25.1
March 28
45.7
25.4
March 29
46.1
25.8
March 30
46.6
26.2
March 31
47.1
26.6
April 1
47.6
27.0
April 2
48.0
27.2
April 3
48.4
27.4
April 4
48.9
27.8
April 5
49.4
28.3
April 6
49.9
28.6
April 7
50.4
28.9
April 8
50.9
29.2
April 9
51.7
29.6
April 10
52.3
30.1
April 11
52.7
30.4
April 12
53.1
30.7
April 13
53.4
31.0
April 14
53.8
31.2
April 15
54.2
31.5
April 16
54.6
31.9
April 17
55.0
32.3
April 18
55.5
32.6
April 19
56.0
33.1
April 20
56.4
33.5
April 21
56.9
33.9
April 22
57.5
34.4
April 23
58.0
34.9
April 24
58.4
35.5
April 25
58.9
36.0
April 26
59.4
36.4
April 27
59.8
36.8
April 28
60.0
37.2
April 29
60.3
37.5
April 30
60.8
37.8
May 1
61.4
38.2
May 2
61.8
38.7
May 3
62.2
39.1
May 4
62.8
39.5
May 5
63.2
39.9
May 6
63.7
40.3
May 7
64.0
40.8
May 8
64.4
41.3
May 9
64.5
41.7
May 10
64.9
42.2
May 11
65.3
42.5
May 12
65.6
42.9
May 13
66.0
43.4
May 14
66.5
43.8
May 15
66.9
44.3
May 16
67.4
44.8
May 17
67.8
45.2
May 18
68.0
45.7
May 19
68.3
46.1
May 20
68.6
46.4
May 21
68.9
46.7
May 22
69.2
47.1
May 23
69.7
47.4
May 24
70.1
47.8
May 25
70.4
48.1
May 26
70.9
48.6
May 27
71.3
49.1
May 28
71.7
49.5
May 29
72.0
49.8
May 30
72.3
50.2
May 31
72.6
50.6
June 1
72.8
50.9
June 2
73.0
51.3
June 3
73.3
51.7
June 4
73.6
52.0
June 5
73.9
52.3
June 6
74.1
52.6
June 7
74.5
52.9
June 8
74.8
53.3
June 9
75.2
53.7
June 10
75.6
54.1
June 11
75.9
54.4
June 12
76.1
54.7
June 13
76.3
54.9
June 14
76.5
55.1
June 15
76.9
55.4
June 16
77.2
55.7
June 17
77.4
55.9
June 18
77.7
56.2
June 19
77.8
56.4
June 20
78.1
56.7
June 21
78.3
56.9
June 22
78.5
57.1
June 23
78.7
57.3
June 24
78.9
57.5
June 25
79.2
57.7
June 26
79.4
57.9
June 27
79.6
58.2
June 28
79.8
58.4
June 29
80.0
58.5
June 30
80.2
58.6
July 1
80.5
58.8
July 2
80.7
59.0
July 3
81.0
59.2
July 4
81.1
59.4
July 5
81.3
59.6
July 6
81.5
59.7
July 7
81.6
59.8
July 8
81.7
59.9
July 9
81.8
59.9
July 10
81.8
60.0
July 11
81.9
60.0
July 12
81.9
60.1
July 13
82.0
60.1
July 14
82.0
60.2
July 15
82.0
60.1
July 16
82.1
60.2
July 17
82.3
60.2
July 18
82.3
60.2
July 19
82.3
60.1
July 20
82.3
60.1
July 21
82.2
60.1
July 22
82.1
60.0
July 23
82.0
59.9
July 24
82.0
59.9
July 25
82.1
60.0
July 26
82.0
59.9
July 27
81.9
59.8
July 28
81.9
59.7
July 29
81.7
59.7
July 30
81.5
59.5
July 31
81.3
59.3
August 1
81.1
59.1
August 2
81.0
59.0
August 3
80.8
58.8
August 4
80.7
58.6
August 5
80.5
58.4
August 6
80.4
58.3
August 7
80.3
58.2
August 8
80.3
58.1
August 9
80.2
58.0
August 10
80.2
58.0
August 11
80.2
58.0
August 12
80.2
58.0
August 13
80.2
58.0
August 14
80.0
57.9
August 15
79.9
57.8
August 16
79.8
57.7
August 17
79.7
57.6
August 18
79.6
57.5
August 19
79.5
57.4
August 20
79.5
57.3
August 21
79.4
57.1
August 22
79.3
57.0
August 23
79.1
56.7
August 24
78.9
56.5
August 25
78.6
56.2
August 26
78.4
56.0
August 27
78.2
55.7
August 28
78.0
55.6
August 29
77.9
55.3
August 30
77.6
55.1
August 31
77.3
54.8
September 1
77.1
54.5
September 2
76.9
54.2
September 3
76.7
54.0
September 4
76.4
53.8
September 5
76.0
53.5
September 6
75.7
53.1
September 7
75.2
52.7
September 8
74.7
52.2
September 9
74.2
51.7
September 10
73.8
51.3
September 11
73.4
50.8
September 12
73.1
50.3
September 13
72.6
49.9
September 14
72.2
49.3
September 15
71.9
48.9
September 16
71.6
48.4
September 17
71.2
47.9
September 18
70.7
47.5
September 19
70.1
47.0
September 20
69.5
46.4
September 21
68.9
46.1
September 22
68.4
45.7
September 23
68.1
45.3
September 24
67.7
44.9
September 25
67.3
44.4
September 26
66.9
43.9
September 27
66.5
43.6
September 28
66.0
43.1
September 29
65.5
42.7
September 30
65.0
42.2
October 1
64.3
41.7
October 2
63.8
41.3
October 3
63.3
40.8
October 4
62.9
40.3
October 5
62.4
39.9
October 6
62.0
39.5
October 7
61.7
39.1
October 8
61.3
38.8
October 9
60.7
38.3
October 10
60.2
37.8
October 11
59.6
37.5
October 12
59.0
37.1
October 13
58.4
36.7
October 14
57.8
36.3
October 15
57.2
35.9
October 16
56.4
35.5
October 17
55.9
35.0
October 18
55.4
34.6
October 19
55.0
34.2
October 20
54.5
33.7
October 21
54.0
33.2
October 22
53.4
32.8
October 23
52.8
32.3
October 24
52.3
31.9
October 25
51.7
31.5
October 26
51.1
31.0
October 27
50.4
30.5
October 28
49.8
30.0
October 29
49.3
29.5
October 30
48.9
29.1
October 31
48.4
28.7
November 1
47.9
28.2
November 2
47.4
27.7
November 3
46.7
27.3
November 4
46.2
26.9
November 5
45.7
26.5
November 6
45.1
26.0
November 7
44.5
25.5
November 8
44.0
25.1
November 9
43.4
24.5
November 10
42.9
24.1
November 11
42.3
23.7
November 12
41.7
23.0
November 13
41.1
22.5
November 14
40.7
22.0
November 15
40.2
21.6
November 16
39.7
21.2
November 17
39.2
20.8
November 18
38.8
20.4
November 19
38.2
20.0
November 20
37.6
19.5
November 21
37.0
18.9
November 22
36.3
18.3
November 23
35.7
17.7
November 24
35.1
17.2
November 25
34.7
16.8
November 26
34.3
16.4
November 27
33.9
15.9
November 28
33.3
15.5
November 29
32.9
15.2
November 30
32.5
14.9
December 1
32.0
14.5
December 2
31.5
14.1
December 3
31.0
13.6
December 4
30.6
13.1
December 5
30.2
12.7
December 6
29.8
12.4
December 7
29.4
12.1
December 8
29.0
11.7
December 9
28.6
11.4
December 10
28.3
11.0
December 11
28.1
10.8
December 12
27.8
10.6
December 13
27.5
10.5
December 14
27.3
10.2
December 15
26.9
9.9
December 16
26.6
9.6
December 17
26.1
9.1
December 18
25.7
8.7
December 19
25.4
8.4
December 20
25.3
8.2
December 21
25.1
8.0
December 22
24.8
7.8
December 23
24.6
7.5
December 24
24.4
7.3
December 25
24.3
7.1
December 26
24.1
6.9
December 27
23.9
6.7
December 28
23.6
6.4
December 29
23.3
6.1
December 30
23.0
5.8
December 31
22.8
5.5
Weather Station Details
Years
Station
Coordinates
1893–2024
Watertown Regional Airport
location