Ketchum Average Weather by Day
Data and chart of the the average high and low temperature for every day of the year in
Ketchum, Idaho , based on NOAA data.
Change city
What's the hottest day of the year in Ketchum?
On average, July 24 is the hottest day of the year Ketchum, Idaho. From 1991–2020, the average high temperature on July 24 was 81.6 °F and the average low was 45.2 °F.
What's the coldest day of the year in Ketchum?
On average, December 31 is the coldest day of the year Ketchum, Idaho. From 1991–2020, the average high temperature on December 31 was 30.3 °F, and the average low was 7.5 °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
30.4
7.5
January 2
30.5
7.5
January 3
30.5
7.5
January 4
30.6
7.4
January 5
30.7
7.4
January 6
30.9
7.5
January 7
31.1
7.6
January 8
31.2
7.6
January 9
31.3
7.6
January 10
31.3
7.7
January 11
31.5
7.7
January 12
31.6
7.7
January 13
31.7
7.7
January 14
31.7
7.6
January 15
31.9
7.6
January 16
32.0
7.7
January 17
32.2
7.7
January 18
32.3
7.7
January 19
32.4
7.6
January 20
32.5
7.7
January 21
32.6
7.8
January 22
32.8
7.9
January 23
32.9
8.0
January 24
33.0
8.0
January 25
33.2
8.1
January 26
33.4
8.2
January 27
33.5
8.3
January 28
33.7
8.4
January 29
33.8
8.4
January 30
34.0
8.6
January 31
34.1
8.9
February 1
34.4
9.1
February 2
34.6
9.4
February 3
34.7
9.4
February 4
34.8
9.5
February 5
34.8
9.6
February 6
34.9
9.7
February 7
35.1
9.9
February 8
35.2
10.0
February 9
35.3
10.1
February 10
35.3
10.2
February 11
35.4
10.2
February 12
35.5
10.3
February 13
35.6
10.5
February 14
35.7
10.6
February 15
35.8
10.8
February 16
35.9
11.0
February 17
36.1
11.2
February 18
36.3
11.4
February 19
36.5
11.5
February 20
36.5
11.6
February 21
36.6
11.7
February 22
36.8
11.8
February 23
36.9
11.9
February 24
37.1
12.1
February 25
37.3
12.3
February 26
37.6
12.6
February 27
37.9
12.9
February 28
38.2
13.2
March 1
38.5
13.4
March 2
38.7
13.7
March 3
39.0
14.0
March 4
39.3
14.3
March 5
39.6
14.5
March 6
40.0
14.8
March 7
40.4
15.2
March 8
40.7
15.6
March 9
41.1
16.0
March 10
41.4
16.3
March 11
41.7
16.6
March 12
42.1
17.0
March 13
42.4
17.3
March 14
42.8
17.7
March 15
43.1
18.0
March 16
43.4
18.4
March 17
43.8
18.7
March 18
44.1
19.1
March 19
44.5
19.5
March 20
44.8
19.8
March 21
45.1
20.1
March 22
45.5
20.4
March 23
45.7
20.8
March 24
46.0
21.0
March 25
46.3
21.3
March 26
46.6
21.6
March 27
46.8
21.8
March 28
47.0
22.0
March 29
47.3
22.2
March 30
47.5
22.4
March 31
47.8
22.5
April 1
48.0
22.7
April 2
48.2
22.9
April 3
48.5
23.2
April 4
48.7
23.4
April 5
48.9
23.6
April 6
49.2
23.8
April 7
49.6
24.0
April 8
49.9
24.3
April 9
50.3
24.6
April 10
50.7
24.9
April 11
51.1
25.2
April 12
51.5
25.6
April 13
51.9
25.9
April 14
52.3
26.2
April 15
52.6
26.4
April 16
52.9
26.6
April 17
53.1
26.8
April 18
53.4
27.1
April 19
53.8
27.4
April 20
54.2
27.6
April 21
54.5
27.9
April 22
54.9
28.2
April 23
55.2
28.5
April 24
55.6
28.7
April 25
55.9
28.9
April 26
56.2
29.2
April 27
56.5
29.4
April 28
56.9
29.7
April 29
57.2
29.9
April 30
57.7
30.2
May 1
58.3
30.5
May 2
58.7
30.8
May 3
59.1
31.1
May 4
59.4
31.5
May 5
59.7
31.7
May 6
59.9
32.0
May 7
60.2
32.2
May 8
60.3
32.3
May 9
60.5
32.5
May 10
60.8
32.7
May 11
61.1
32.9
May 12
61.4
33.1
May 13
61.6
33.3
May 14
61.9
33.6
May 15
62.1
33.8
May 16
62.4
34.1
May 17
62.8
34.4
May 18
63.1
34.7
May 19
63.5
35.0
May 20
63.8
35.3
May 21
64.0
35.5
May 22
64.3
35.8
May 23
64.5
36.0
May 24
64.7
36.1
May 25
64.9
36.4
May 26
65.0
36.5
May 27
65.2
36.6
May 28
65.3
36.7
May 29
65.4
36.9
May 30
65.5
37.0
May 31
65.7
37.0
June 1
65.9
37.1
June 2
66.1
37.3
June 3
66.4
37.4
June 4
66.6
37.5
June 5
66.8
37.6
June 6
67.1
37.7
June 7
67.4
37.9
June 8
67.7
38.0
June 9
68.0
38.2
June 10
68.3
38.3
June 11
68.6
38.5
June 12
68.9
38.7
June 13
69.3
38.9
June 14
69.6
39.0
June 15
69.9
39.2
June 16
70.3
39.4
June 17
70.6
39.5
June 18
70.9
39.5
June 19
71.3
39.6
June 20
71.7
39.7
June 21
72.1
39.9
June 22
72.6
40.2
June 23
73.0
40.4
June 24
73.6
40.6
June 25
74.0
40.9
June 26
74.5
41.2
June 27
74.9
41.4
June 28
75.3
41.6
June 29
75.7
41.8
June 30
76.1
42.0
July 1
76.5
42.1
July 2
76.9
42.3
July 3
77.3
42.6
July 4
77.7
42.8
July 5
78.1
43.0
July 6
78.5
43.2
July 7
78.8
43.4
July 8
79.1
43.6
July 9
79.4
43.8
July 10
79.7
44.0
July 11
80.0
44.1
July 12
80.2
44.3
July 13
80.4
44.4
July 14
80.6
44.5
July 15
80.7
44.5
July 16
80.9
44.6
July 17
81.0
44.8
July 18
81.2
44.9
July 19
81.3
45.0
July 20
81.4
45.0
July 21
81.5
45.1
July 22
81.5
45.1
July 23
81.5
45.2
July 24
81.6
45.2
July 25
81.5
45.2
July 26
81.5
45.2
July 27
81.5
45.1
July 28
81.4
45.1
July 29
81.4
45.1
July 30
81.4
45.1
July 31
81.4
45.0
August 1
81.3
45.0
August 2
81.3
44.9
August 3
81.2
44.9
August 4
81.0
44.8
August 5
81.0
44.6
August 6
80.9
44.5
August 7
80.9
44.4
August 8
80.7
44.3
August 9
80.6
44.1
August 10
80.4
43.9
August 11
80.2
43.7
August 12
80.0
43.5
August 13
79.9
43.3
August 14
79.7
43.2
August 15
79.5
43.0
August 16
79.4
42.8
August 17
79.1
42.6
August 18
78.8
42.3
August 19
78.6
42.1
August 20
78.5
41.9
August 21
78.4
41.7
August 22
78.2
41.6
August 23
78.0
41.4
August 24
77.8
41.2
August 25
77.6
40.9
August 26
77.2
40.7
August 27
76.9
40.5
August 28
76.6
40.3
August 29
76.3
40.0
August 30
75.9
39.8
August 31
75.6
39.6
September 1
75.3
39.3
September 2
75.0
39.1
September 3
74.6
38.9
September 4
74.1
38.7
September 5
73.6
38.4
September 6
73.2
38.1
September 7
72.8
37.8
September 8
72.4
37.5
September 9
72.0
37.3
September 10
71.6
37.1
September 11
71.3
36.8
September 12
70.9
36.5
September 13
70.5
36.3
September 14
70.2
36.0
September 15
69.9
35.9
September 16
69.7
35.6
September 17
69.4
35.4
September 18
69.1
35.2
September 19
68.6
34.9
September 20
68.0
34.5
September 21
67.5
34.2
September 22
67.0
34.0
September 23
66.5
33.7
September 24
66.1
33.4
September 25
65.7
33.2
September 26
65.2
32.8
September 27
64.8
32.5
September 28
64.3
32.2
September 29
63.8
31.8
September 30
63.4
31.6
October 1
63.1
31.2
October 2
62.7
30.9
October 3
62.4
30.6
October 4
62.1
30.3
October 5
61.8
30.0
October 6
61.4
29.8
October 7
61.1
29.6
October 8
60.8
29.3
October 9
60.4
29.1
October 10
59.9
28.9
October 11
59.4
28.6
October 12
58.8
28.4
October 13
58.3
28.1
October 14
57.7
27.8
October 15
57.2
27.4
October 16
56.5
27.2
October 17
55.8
26.8
October 18
55.3
26.4
October 19
54.8
26.0
October 20
54.3
25.7
October 21
54.0
25.4
October 22
53.5
25.0
October 23
53.1
24.7
October 24
52.6
24.4
October 25
52.3
24.1
October 26
51.8
23.8
October 27
51.4
23.5
October 28
51.0
23.3
October 29
50.4
22.9
October 30
49.8
22.6
October 31
49.3
22.3
November 1
48.8
22.0
November 2
48.3
21.7
November 3
47.8
21.4
November 4
47.2
21.1
November 5
46.7
20.8
November 6
46.2
20.5
November 7
45.8
20.1
November 8
45.4
19.7
November 9
44.9
19.4
November 10
44.5
19.0
November 11
43.9
18.6
November 12
43.4
18.1
November 13
43.0
17.7
November 14
42.6
17.4
November 15
42.2
17.1
November 16
41.8
16.9
November 17
41.5
16.7
November 18
41.1
16.4
November 19
40.7
16.2
November 20
40.2
15.8
November 21
39.7
15.4
November 22
39.1
15.0
November 23
38.6
14.6
November 24
38.1
14.3
November 25
37.7
14.0
November 26
37.2
13.6
November 27
36.9
13.3
November 28
36.5
13.0
November 29
36.1
12.9
November 30
35.8
12.7
December 1
35.4
12.4
December 2
35.1
12.0
December 3
34.7
11.7
December 4
34.4
11.3
December 5
33.9
11.0
December 6
33.5
10.7
December 7
33.1
10.5
December 8
32.7
10.2
December 9
32.4
10.0
December 10
32.1
9.8
December 11
31.9
9.5
December 12
31.6
9.3
December 13
31.4
9.1
December 14
31.2
8.9
December 15
31.0
8.8
December 16
30.9
8.7
December 17
30.7
8.5
December 18
30.5
8.2
December 19
30.4
8.1
December 20
30.3
8.1
December 21
30.3
8.0
December 22
30.3
7.9
December 23
30.3
7.8
December 24
30.3
7.8
December 25
30.4
7.7
December 26
30.4
7.8
December 27
30.4
7.8
December 28
30.4
7.7
December 29
30.4
7.6
December 30
30.3
7.5
December 31
30.3
7.5
Weather Station Details
Years
Station
Coordinates
1973–2024
Ketchum
location
1937–1972
Sun Valley
location