Ketchum Weather in 2021

Historical record of Ketchum, Idaho weather for the year 2021 based on NOAA data.
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Year:
2021 Ketchum Weather Extremes
Highest temperature 91 °F July 11
Lowest temperature -9 °F December 29
Highest daily low 56 °F July 31
Lowest daily high 14 °F December 30
Most daily precipitation 1.5 inches January 28
Most daily snow 22.0 inches January 28
Highest Temperatures in Ketchum in 2021
Rank Temperature Date
1 91 °F Jul 11
2 89 °F Jul 12
2 89 °F Jul 7
4 88 °F Jul 26
4 88 °F Jul 24
4 88 °F Jul 18
4 88 °F Jul 9
8 87 °F Aug 15
8 87 °F Aug 14
8 87 °F Jul 25
8 87 °F Jul 15
8 87 °F Jul 13
8 87 °F Jul 10
8 87 °F Jul 6
8 87 °F Jun 29
Lowest Temperatures in Ketchum in 2021
Rank Temperature Date
1 -9 °F December 29
1 -9 °F December 28
3 -6 °F December 30
4 -5 °F January 24
5 -4 °F January 26
6 -3 °F February 25
6 -3 °F February 10
6 -3 °F January 27
9 -2 °F February 11
9 -2 °F January 25
9 -2 °F January 23
9 -2 °F January 10
January 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
24 1 0.00 0.0
January 2
32 13 0.00 0.0
January 3
33 5 0.00 0.0
January 4
28 10 0.13 2.0
January 5
41 18 0.72 10.0
January 6
37 5 0.00 0.0
January 7
34 5 0.01 0.0
January 8
30 10 0.00 0.0
January 9
33 -1 0.00 0.0
January 10
19 -2 0.00 0.0
January 11
35 5 0.00 0.0
January 12
30 11 0.00 0.0
January 13
40 7 0.34 3.8
January 14
32 4 0.00 0.0
January 15
34 9 0.00 0.0
January 16
42 8 0.00 0.0
January 17
37 8 0.00 0.0
January 18
38 1 0.00 0.0
January 19
38 n/a 0.00 0.0
January 20
32 -1 0.00 0.0
January 21
31 19 0.00 0.0
January 22
38 16 0.00 0.0
January 23
37 -2 0.00 0.0
January 24
22 -5 0.00 0.0
January 25
30 -2 0.00 0.0
January 26
30 -4 0.00 0.0
January 27
27 -3 0.12 2.5
January 28
30 23 1.47 22.0
January 29
33 20 0.56 9.0
January 30
34 2 0.00 0.0
January 31
42 7 0.00 0.0
February 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
38 13 0.00 0.0
February 2
44 18 0.00 0.0
February 3
33 2 0.25 3.0
February 4
29 2 0.00 0.0
February 5
38 8 0.04 1.7
February 6
42 9 n/a n/a
February 7
38 19 n/a n/a
February 8
32 5 n/a 0.0
February 9
37 -1 0.00 0.0
February 10
38 -3 0.00 0.0
February 11
37 -2 0.00 0.0
February 12
35 10 n/a n/a
February 13
31 17 n/a n/a
February 14
24 13 n/a n/a
February 15
32 10 n/a n/a
February 16
36 6 n/a 2.0
February 17
36 3 0.00 0.0
February 18
36 10 0.00 0.0
February 19
24 0 0.09 1.7
February 20
39 7 n/a n/a
February 21
36 10 n/a n/a
February 22
41 13 n/a 2.0
February 23
34 4 0.01 0.0
February 24
35 -1 0.00 0.0
February 25
24 -3 0.00 0.0
February 26
27 -1 0.04 0.5
February 27
33 0 n/a n/a
February 28
27 -1 n/a n/a
March 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
37 2 n/a 0.4
March 2
42 7 0.00 0.0
March 3
50 9 0.00 0.0
March 4
47 16 0.00 0.0
March 5
49 16 0.00 0.0
March 6
43 17 0.00 0.0
March 7
41 15 0.00 0.0
March 8
41 18 0.00 0.0
March 9
37 11 0.00 0.0
March 10
37 10 0.00 0.0
March 11
42 8 0.00 0.0
March 12
41 11 0.00 0.0
March 13
52 13 0.00 0.0
March 14
49 17 0.00 0.0
March 15
52 26 0.00 0.0
March 16
47 23 0.00 0.0
March 17
48 22 0.00 0.0
March 18
52 25 0.00 0.0
March 19
42 31 0.03 0.0
March 20
44 20 n/a n/a
March 21
40 18 n/a n/a
March 22
40 18 n/a 0.0
March 23
38 20 0.00 0.0
March 24
40 15 n/a n/a
March 25
38 19 n/a 0.5
March 26
43 17 0.31 3.0
March 27
49 20 n/a n/a
March 28
57 23 n/a n/a
March 29
31 11 n/a 0.0
March 30
38 11 0.00 0.0
March 31
46 14 0.00 0.0
April 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
57 18 0.00 0.0
April 2
61 21 0.00 0.0
April 3
65 26 0.00 0.0
April 4
64 28 0.00 0.0
April 5
45 27 0.00 0.0
April 6
52 24 0.00 0.0
April 7
57 24 0.00 0.0
April 8
45 18 0.00 0.0
April 9
50 17 n/a n/a
April 10
53 21 n/a n/a
April 11
42 21 n/a n/a
April 12
44 21 n/a n/a
April 13
47 23 0.00 0.0
April 14
39 25 0.00 0.0
April 15
45 25 0.00 0.0
April 16
49 25 0.00 0.0
April 17
57 25 n/a n/a
April 18
63 28 n/a n/a
April 19
50 20 n/a 0.0
April 20
49 20 0.00 0.0
April 21
56 20 0.00 0.0
April 22
57 20 0.00 0.0
April 23
54 23 0.00 0.0
April 24
46 24 n/a n/a
April 25
41 31 n/a n/a
April 26
45 28 n/a n/a
April 27
52 28 0.39 7.0
April 28
63 28 0.00 0.0
April 29
71 35 0.00 0.0
April 30
77 37 0.00 0.0
May 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
69 39 n/a n/a
May 2
54 38 n/a n/a
May 3
56 33 n/a n/a
May 4
56 28 n/a n/a
May 5
61 28 n/a n/a
May 6
73 29 n/a n/a
May 7
58 29 n/a n/a
May 8
50 25 n/a n/a
May 9
47 25 n/a n/a
May 10
47 25 n/a n/a
May 11
56 25 n/a n/a
May 12
64 29 n/a n/a
May 13
72 39 n/a n/a
May 14
65 39 n/a n/a
May 15
62 37 n/a n/a
May 16
72 34 n/a n/a
May 17
70 32 n/a n/a
May 18
69 32 0.01 0.0
May 19
63 34 n/a n/a
May 20
54 34 n/a n/a
May 21
54 30 0.04 0.0
May 22
55 31 n/a n/a
May 23
54 32 n/a n/a
May 24
48 33 n/a n/a
May 25
59 32 n/a n/a
May 26
58 33 0.06 0.0
May 27
58 31 n/a n/a
May 28
65 32 n/a n/a
May 29
67 32 n/a n/a
May 30
66 31 n/a n/a
May 31
70 36 n/a n/a
June 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
74 42 0.00 0.0
June 2
75 44 0.00 0.0
June 3
81 47 0.00 0.0
June 4
84 48 0.00 0.0
June 5
85 45 0.00 0.0
June 6
76 37 0.00 0.0
June 7
69 36 0.00 0.0
June 8
68 37 0.00 0.0
June 9
72 40 0.00 0.0
June 10
50 28 0.09 0.0
June 11
61 30 0.00 0.0
June 12
73 30 0.00 0.0
June 13
85 42 0.00 0.0
June 14
84 42 0.00 0.0
June 15
77 40 0.00 0.0
June 16
80 38 0.00 0.0
June 17
82 40 0.00 0.0
June 18
84 42 0.00 0.0
June 19
83 43 0.00 0.0
June 20
83 46 0.00 0.0
June 21
82 45 0.00 0.0
June 22
86 49 0.00 0.0
June 23
83 49 0.00 0.0
June 24
76 47 0.00 0.0
June 25
77 47 0.00 0.0
June 26
82 48 0.00 0.0
June 27
84 50 0.00 0.0
June 28
85 49 0.00 0.0
June 29
87 50 0.00 0.0
June 30
85 51 0.00 0.0
July 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
75 50 0.00 0.0
July 2
81 50 0.00 0.0
July 3
84 50 n/a n/a
July 4
85 50 n/a n/a
July 5
82 49 n/a n/a
July 6
87 50 n/a 0.0
July 7
89 47 0.02 0.0
July 8
86 45 0.00 0.0
July 9
88 45 0.00 0.0
July 10
87 48 0.00 0.0
July 11
91 49 0.00 0.0
July 12
89 48 0.00 0.0
July 13
87 47 0.00 0.0
July 14
85 45 0.00 0.0
July 15
87 45 0.00 0.0
July 16
85 43 0.00 0.0
July 17
86 46 n/a n/a
July 18
88 50 n/a n/a
July 19
71 52 n/a 0.0
July 20
76 52 0.09 0.0
July 21
84 50 0.01 0.0
July 22
84 44 0.00 0.0
July 23
84 44 0.00 0.0
July 24
88 46 0.00 0.0
July 25
87 46 0.00 0.0
July 26
88 50 0.00 0.0
July 27
79 52 0.00 0.0
July 28
81 54 0.15 0.0
July 29
80 54 0.03 0.0
July 30
86 55 n/a n/a
July 31
72 56 n/a n/a
August 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
77 53 n/a 0.0
August 2
71 47 n/a 0.0
August 3
79 47 0.00 0.0
August 4
84 51 0.00 0.0
August 5
85 52 0.01 0.0
August 6
63 44 n/a 0.0
August 7
77 43 n/a 0.0
August 8
76 37 n/a 0.0
August 9
72 37 n/a 0.0
August 10
79 41 0.00 0.0
August 11
84 51 0.00 0.0
August 12
86 52 0.00 0.0
August 13
82 50 0.00 0.0
August 14
87 48 0.00 0.0
August 15
87 48 0.00 0.0
August 16
86 49 0.00 0.0
August 17
72 41 0.00 0.0
August 18
62 41 0.00 0.0
August 19
57 39 0.00 0.0
August 20
67 39 0.00 0.0
August 21
62 34 n/a 0.0
August 22
67 33 n/a 0.0
August 23
73 35 n/a 0.0
August 24
72 36 0.00 0.0
August 25
75 38 0.00 0.0
August 26
73 37 0.00 0.0
August 27
72 37 0.00 0.0
August 28
71 36 0.00 0.0
August 29
78 37 0.00 0.0
August 30
79 39 0.00 0.0
August 31
73 33 0.00 0.0
September 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
72 33 0.00 0.0
September 2
71 34 0.00 0.0
September 3
71 32 0.00 0.0
September 4
70 31 0.00 0.0
September 5
80 37 0.00 0.0
September 6
83 38 0.00 0.0
September 7
80 39 0.00 0.0
September 8
84 40 0.00 0.0
September 9
86 41 0.00 0.0
September 10
77 40 0.00 0.0
September 11
71 35 n/a 0.0
September 12
73 34 n/a 0.0
September 13
73 33 n/a 0.0
September 14
70 33 0.00 0.0
September 15
75 36 0.00 0.0
September 16
72 29 0.00 0.0
September 17
71 28 0.00 0.0
September 18
71 40 n/a 0.0
September 19
49 28 n/a 0.0
September 20
55 27 n/a 0.0
September 21
64 27 0.00 0.0
September 22
69 30 0.00 0.0
September 23
65 35 0.00 0.0
September 24
70 34 0.00 0.0
September 25
75 35 0.00 0.0
September 26
75 32 0.00 0.0
September 27
73 30 0.00 0.0
September 28
54 28 0.00 0.0
September 29
57 26 0.00 0.0
September 30
61 27 0.00 0.0
October 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
65 27 0.00 0.0
October 2
66 30 0.00 0.0
October 3
69 29 0.00 0.0
October 4
71 30 0.00 0.0
October 5
72 30 0.00 0.0
October 6
72 31 0.00 0.0
October 7
63 39 0.11 0.0
October 8
56 40 0.06 0.0
October 9
54 30 0.00 0.0
October 10
55 31 0.00 0.0
October 11
37 26 0.00 0.0
October 12
39 23 0.77 0.0
October 13
40 22 0.10 0.0
October 14
44 23 0.00 0.0
October 15
50 22 0.00 0.0
October 16
58 23 0.00 0.0
October 17
60 25 0.00 0.0
October 18
55 29 0.00 0.0
October 19
59 31 0.00 0.0
October 20
52 32 0.00 0.0
October 21
60 30 0.00 0.0
October 22
61 31 0.00 0.0
October 23
45 31 n/a n/a
October 24
36 32 n/a n/a
October 25
37 30 n/a 0.0
October 26
46 28 0.34 0.0
October 27
49 27 0.00 0.0
October 28
58 27 0.00 0.0
October 29
57 30 0.00 0.0
October 30
59 30 0.00 0.0
October 31
55 32 0.00 0.0
November 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
48 31 0.02 0.0
November 2
52 28 0.16 0.0
November 3
53 28 0.00 0.0
November 4
50 27 0.00 0.0
November 5
50 27 0.01 0.0
November 6
50 26 n/a n/a
November 7
44 30 n/a n/a
November 8
41 13 n/a n/a
November 9
40 12 n/a 3.0
November 10
35 20 0.16 2.0
November 11
41 15 n/a n/a
November 12
50 18 n/a n/a
November 13
n/a n/a n/a n/a
November 14
n/a n/a n/a n/a
November 15
56 28 n/a 0.0
November 16
51 26 0.00 0.0
November 17
40 15 0.00 0.0
November 18
35 14 0.00 0.0
November 19
n/a n/a 0.08 1.6
November 20
n/a n/a n/a n/a
November 21
n/a n/a n/a n/a
November 22
37 14 n/a n/a
November 23
48 14 n/a n/a
November 24
37 14 n/a n/a
November 25
39 12 n/a n/a
November 26
39 13 n/a n/a
November 27
46 24 n/a n/a
November 28
45 24 n/a n/a
November 29
49 23 n/a n/a
November 30
53 23 n/a n/a
December 2021 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
44 23 0.00 0.0
December 2
50 26 0.00 0.0
December 3
56 23 0.00 0.0
December 4
48 21 0.00 0.0
December 5
51 20 0.00 0.0
December 6
48 22 0.00 0.0
December 7
32 15 0.00 0.0
December 8
42 14 0.00 0.0
December 9
43 14 0.00 0.0
December 10
33 9 0.00 0.0
December 11
28 12 0.00 0.0
December 12
27 20 0.00 0.0
December 13
27 20 0.90 13.0
December 14
30 24 1.10 15.0
December 15
30 9 0.18 2.0
December 16
32 9 0.10 2.0
December 17
24 3 0.02 0.2
December 18
27 -1 n/a n/a
December 19
23 3 n/a n/a
December 20
24 17 n/a 1.5
December 21
38 10 0.00 0.0
December 22
30 10 0.00 0.0
December 23
31 12 n/a 4.0
December 24
31 24 n/a n/a
December 25
25 16 n/a n/a
December 26
24 17 n/a n/a
December 27
19 12 n/a 21.0
December 28
17 -9 0.00 0.0
December 29
16 -9 0.01 0.5
December 30
14 -6 0.02 0.0
December 31
17 -1 n/a n/a
Weather Station Details
Years Station Coordinates
1973–2024 Ketchum location
1937–1972 Sun Valley location