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Ketchum Weather in 1940

Historical record of Ketchum, Idaho weather for the year 1940 based on NOAA data.
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1940 Ketchum Weather Extremes
Highest temperature 95 °F August 12
Lowest temperature -16 °F February 21
Highest daily low 52 °F September 9
Lowest daily high 21 °F December 13
Most daily precipitation 1.2 inches March 31
Most daily snow 10.0 inches December 27
Total annual precipitation 21.4 inches -
What was the hottest temperature in Ketchum in 1940?
The highest temperature recorded in Ketchum, Idaho in 1940 was 95 °F which happened on August 12.
Highest Temperatures: All-Time By Year
Highest Temperatures in Ketchum in 1940
Rank Temperature Date
1 95 °F Aug 12
2 92 °F Aug 13
2 92 °F Aug 11
2 92 °F Jun 17
5 91 °F Aug 9
5 91 °F Jul 11
5 91 °F Jun 18
8 90 °F Aug 10
8 90 °F Jul 12
10 89 °F Aug 18
10 89 °F Aug 14
10 89 °F Aug 8
10 89 °F Jul 14
10 89 °F Jun 19
What was the coldest temperature in Ketchum in 1940?
The lowest temperature recorded in Ketchum, Idaho in 1940 was -16 °F which happened 3 different times.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Ketchum in 1940
Rank Temperature Date
1 -16 °F February 21
1 -16 °F February 20
1 -16 °F January 19
4 -15 °F February 16
4 -15 °F January 21
4 -15 °F January 14
4 -15 °F January 11
8 -14 °F December 14
8 -14 °F December 13
8 -14 °F January 15
January 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 43 16 0.00 0.0
January 2
 42 30 0.22 0.8
January 3
 44 26 0.06 0.0
January 4
 37 23 0.04 0.8
January 5
 38 14 0.00 0.0
January 6
 34 1 0.00 0.0
January 7
 26 -4 0.00 0.0
January 8
 35 18 0.15 3.0
January 9
 34 20 0.43 5.5
January 10
 35 4 0.10 2.0
January 11
 30 -15 0.00 0.0
January 12
 31 -10 0.00 0.0
January 13
 26 -10 0.00 0.0
January 14
 30 -15 0.00 0.0
January 15
 32 -14 0.00 0.0
January 16
 35 -4 0.00 0.0
January 17
 40 6 0.00 0.0
January 18
 30 -2 0.00 0.0
January 19
 25 -16 0.00 0.0
January 20
 26 -2 0.00 0.0
January 21
 30 -15 0.00 0.0
January 22
 31 -6 0.00 0.0
January 23
 34 -7 0.00 0.0
January 24
 29 8 0.09 1.0
January 25
 42 11 0.06 0.8
January 26
 41 10 0.53 7.0
January 27
 44 5 0.00 0.0
January 28
 48 4 0.00 0.0
January 29
 52 0 0.00 0.0
January 30
 51 0 0.00 0.0
January 31
 44 3 0.00 0.0
February 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 47 -3 n/a 1.0
February 2
 40 11 0.05 0.5
February 3
 37 24 0.06 0.5
February 4
 37 5 0.55 6.0
February 5
 42 -2 0.00 n/a
February 6
 38 18 0.18 2.5
February 7
 42 4 0.02 n/a
February 8
 39 8 0.00 n/a
February 9
 46 12 0.00 n/a
February 10
 34 27 0.30 3.0
February 11
 38 -1 0.00 0.0
February 12
 32 -13 0.00 0.0
February 13
 31 -11 0.00 0.0
February 14
 36 20 0.55 7.5
February 15
 32 16 0.07 1.0
February 16
 33 -15 0.00 n/a
February 17
 36 18 0.04 0.5
February 18
 38 10 0.06 3.0
February 19
 34 -5 0.00 n/a
February 20
 33 -16 0.00 n/a
February 21
 35 -16 0.00 n/a
February 22
 34 11 0.15 2.0
February 23
 38 7 0.03 0.5
February 24
 36 5 0.04 0.8
February 25
 38 25 0.15 2.0
February 26
 39 31 0.26 0.0
February 27
 48 29 0.98 9.0
February 28
 45 29 0.65 2.5
February 29
 43 23 0.27 3.0
March 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 45 5 0.00 0.0
March 2
 46 15 0.07 0.0
March 3
 40 18 0.00 0.0
March 4
 47 1 0.00 0.0
March 5
 38 13 0.00 0.0
March 6
 38 3 0.00 0.0
March 7
 43 18 0.00 0.0
March 8
 44 30 0.33 1.0
March 9
 43 3 0.00 0.0
March 10
 37 5 0.23 3.5
March 11
 35 4 0.02 0.5
March 12
 38 -9 0.00 0.0
March 13
 37 -7 0.00 0.0
March 14
 48 4 0.00 0.0
March 15
 50 10 0.00 0.0
March 16
 48 25 0.00 0.0
March 17
 45 20 0.00 0.0
March 18
 48 4 0.00 0.0
March 19
 48 7 0.00 0.0
March 20
 51 13 0.00 0.0
March 21
 50 11 0.00 0.0
March 22
 56 12 0.00 0.0
March 23
 54 16 0.00 0.0
March 24
 55 18 0.00 0.0
March 25
 54 33 0.06 0.0
March 26
 45 30 0.25 0.0
March 27
 46 25 0.70 2.0
March 28
 45 14 0.00 0.0
March 29
 44 22 0.04 0.0
March 30
 45 31 0.33 0.0
March 31
 44 30 1.15 0.0
April 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 42 29 0.03 0.0
April 2
 48 26 0.00 0.0
April 3
 47 23 0.00 0.0
April 4
 49 24 0.00 0.0
April 5
 47 30 0.53 0.0
April 6
 52 22 0.00 0.0
April 7
 53 18 0.05 0.0
April 8
 55 18 0.00 0.0
April 9
 50 24 0.06 0.0
April 10
 54 23 0.00 0.0
April 11
 53 25 0.00 0.0
April 12
 65 22 0.00 0.0
April 13
 70 22 0.00 0.0
April 14
 69 24 0.00 0.0
April 15
 58 31 0.40 0.0
April 16
 51 30 0.00 0.0
April 17
 61 19 0.00 0.0
April 18
 65 24 0.00 0.0
April 19
 67 24 0.00 0.0
April 20
 63 32 0.02 0.0
April 21
 56 19 0.00 0.0
April 22
 59 20 0.00 0.0
April 23
 60 28 0.00 0.0
April 24
 59 19 0.00 0.0
April 25
 55 28 0.11 0.0
April 26
 53 34 0.47 0.0
April 27
 51 30 0.39 0.0
April 28
 51 28 0.00 0.0
April 29
 48 25 0.00 0.0
April 30
 44 15 0.00 0.0
May 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 66 26 0.00 0.0
May 2
 70 26 0.00 0.0
May 3
 67 34 0.00 0.0
May 4
 57 29 0.02 0.0
May 5
 56 20 0.00 0.0
May 6
 58 25 0.00 0.0
May 7
 63 18 0.00 0.0
May 8
 68 23 0.00 0.0
May 9
 74 26 0.00 0.0
May 10
 77 28 0.00 0.0
May 11
 75 43 0.00 0.0
May 12
 70 27 0.00 0.0
May 13
 67 29 0.00 0.0
May 14
 71 27 0.00 0.0
May 15
 68 29 0.00 0.0
May 16
 67 28 0.00 0.0
May 17
 68 33 0.00 0.0
May 18
 68 25 0.00 0.0
May 19
 73 28 0.00 0.0
May 20
 67 28 0.00 0.0
May 21
 68 27 0.00 0.0
May 22
 72 28 0.00 0.0
May 23
 76 29 0.00 0.0
May 24
 73 30 0.00 0.0
May 25
 70 32 0.00 0.0
May 26
 68 29 0.00 0.0
May 27
 65 28 0.00 0.0
May 28
 69 36 0.00 0.0
May 29
 69 40 0.00 0.0
May 30
 74 31 0.00 0.0
May 31
 71 29 0.00 0.0
June 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 69 32 0.00 0.0
June 2
 66 34 0.21 0.0
June 3
 59 40 0.01 0.0
June 4
 55 32 0.00 0.0
June 5
 63 40 0.31 0.0
June 6
 65 30 0.00 0.0
June 7
 59 35 0.00 0.0
June 8
 60 26 0.00 0.0
June 9
 65 29 0.00 0.0
June 10
 72 28 0.00 0.0
June 11
 79 33 0.00 0.0
June 12
 85 34 0.00 0.0
June 13
 85 36 0.00 0.0
June 14
 82 32 0.00 0.0
June 15
 85 33 0.00 0.0
June 16
 88 33 0.00 0.0
June 17
 92 33 0.00 0.0
June 18
 91 39 0.00 0.0
June 19
 89 50 0.00 0.0
June 20
 85 41 0.00 0.0
June 21
 81 37 0.00 0.0
June 22
 77 35 0.00 0.0
June 23
 74 30 0.00 0.0
June 24
 82 32 0.00 0.0
June 25
 87 38 0.00 0.0
June 26
 81 46 0.00 0.0
June 27
 78 31 0.00 0.0
June 28
 80 30 0.00 0.0
June 29
 88 33 0.00 0.0
June 30
 80 41 0.00 0.0
July 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 69 51 0.07 n/a
July 2
 83 38 0.00 n/a
July 3
 83 41 0.06 n/a
July 4
 84 42 0.04 n/a
July 5
 85 40 0.00 n/a
July 6
 87 35 0.00 n/a
July 7
 85 34 0.00 n/a
July 8
 86 37 0.00 n/a
July 9
 85 45 0.00 n/a
July 10
 86 34 0.00 n/a
July 11
 91 36 0.00 n/a
July 12
 90 38 0.00 n/a
July 13
 88 38 0.00 n/a
July 14
 89 36 0.00 n/a
July 15
 83 38 0.00 n/a
July 16
 80 50 0.00 n/a
July 17
 81 40 0.04 n/a
July 18
 81 40 0.00 n/a
July 19
 80 32 0.00 n/a
July 20
 80 39 0.00 n/a
July 21
 83 30 0.00 n/a
July 22
 87 30 0.00 n/a
July 23
 88 38 0.00 n/a
July 24
 84 34 0.00 n/a
July 25
 79 37 0.00 n/a
July 26
 72 34 0.00 n/a
July 27
 71 43 0.00 n/a
July 28
 78 30 0.00 n/a
July 29
 82 29 0.00 n/a
July 30
 84 40 0.00 n/a
July 31
 82 35 0.00 n/a
August 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 82 32 0.00 n/a
August 2
 83 35 0.00 n/a
August 3
 84 28 0.00 n/a
August 4
 84 32 0.00 n/a
August 5
 82 32 0.00 n/a
August 6
 87 32 0.00 n/a
August 7
 85 36 0.00 n/a
August 8
 89 35 0.00 n/a
August 9
 91 35 0.00 n/a
August 10
 90 36 0.00 n/a
August 11
 92 32 0.00 n/a
August 12
 95 36 0.00 n/a
August 13
 92 40 0.00 n/a
August 14
 89 39 0.00 n/a
August 15
 86 31 0.00 n/a
August 16
 85 31 0.00 n/a
August 17
 86 33 0.00 n/a
August 18
 89 32 0.00 n/a
August 19
 88 40 0.00 n/a
August 20
 87 38 0.35 n/a
August 21
 83 47 0.00 n/a
August 22
 83 40 0.00 n/a
August 23
 80 40 0.00 n/a
August 24
 79 37 0.00 n/a
August 25
 77 33 0.00 n/a
August 26
 77 35 0.00 n/a
August 27
 79 32 0.00 n/a
August 28
 78 34 0.00 n/a
August 29
 79 33 0.00 n/a
August 30
 85 33 0.00 n/a
August 31
 84 34 0.00 n/a
September 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 n/a 40 0.00 0.0
September 2
 70 38 0.40 0.0
September 3
 72 42 0.02 0.0
September 4
 59 42 0.70 0.0
September 5
 64 25 0.00 0.0
September 6
 75 31 0.00 0.0
September 7
 71 38 0.25 0.0
September 8
 76 44 0.32 0.0
September 9
 73 52 0.05 0.0
September 10
 78 44 0.00 0.0
September 11
 77 39 0.00 0.0
September 12
 73 41 0.31 0.0
September 13
 68 44 0.16 0.0
September 14
 67 28 0.00 0.0
September 15
 70 31 0.05 0.0
September 16
 67 32 0.00 0.0
September 17
 68 32 0.00 0.0
September 18
 63 34 0.04 0.0
September 19
 48 40 0.07 0.0
September 20
 58 30 0.03 0.0
September 21
 58 29 0.37 0.0
September 22
 66 25 0.00 0.0
September 23
 68 28 0.00 0.0
September 24
 71 28 0.00 0.0
September 25
 66 38 0.05 0.0
September 26
 70 29 0.00 0.0
September 27
 66 31 0.24 0.0
September 28
 42 33 0.52 0.0
September 29
 43 28 0.42 1.7
September 30
 48 25 0.07 0.0
October 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 54 23 0.00 0.0
October 2
 58 37 0.47 0.0
October 3
 49 28 0.18 0.0
October 4
 51 25 0.00 0.0
October 5
 59 20 0.00 0.0
October 6
 61 20 0.00 0.0
October 7
 64 18 0.00 0.0
October 8
 67 25 0.00 0.0
October 9
 63 26 0.00 0.0
October 10
 63 22 0.00 0.0
October 11
 66 26 0.00 0.0
October 12
 67 24 0.00 0.0
October 13
 66 24 0.00 0.0
October 14
 65 22 0.00 0.0
October 15
 66 21 0.00 0.0
October 16
 70 22 0.00 0.0
October 17
 71 26 0.00 0.0
October 18
 73 24 0.00 0.0
October 19
 72 23 0.00 0.0
October 20
 68 22 0.00 0.0
October 21
 61 26 0.00 0.0
October 22
 59 33 0.00 0.0
October 23
 63 28 0.00 0.0
October 24
 55 35 0.10 0.0
October 25
 45 34 0.23 0.0
October 26
 45 36 0.22 0.0
October 27
 45 22 0.33 0.0
October 28
 48 26 0.00 0.0
October 29
 42 30 0.05 0.5
October 30
 46 24 0.06 0.5
October 31
 44 25 0.06 0.5
November 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 45 25 0.14 0.0
November 2
 39 31 0.30 0.0
November 3
 40 16 0.10 0.0
November 4
 40 13 0.00 0.0
November 5
 31 10 0.00 0.0
November 6
 37 21 0.04 0.0
November 7
 37 28 0.47 2.0
November 8
 42 15 0.03 0.0
November 9
 36 18 0.04 0.0
November 10
 33 5 0.00 0.0
November 11
 31 4 0.00 0.0
November 12
 29 4 0.00 0.0
November 13
 35 0 0.00 0.0
November 14
 43 7 0.00 0.0
November 15
 47 12 0.00 0.0
November 16
 52 11 0.00 0.0
November 17
 47 18 0.00 0.0
November 18
 38 18 0.18 1.0
November 19
 41 5 0.00 0.0
November 20
 30 3 0.00 0.0
November 21
 31 9 0.00 0.0
November 22
 28 2 0.00 0.0
November 23
 33 -3 0.00 0.0
November 24
 37 5 0.00 0.0
November 25
 39 8 0.00 0.0
November 26
 33 4 0.00 0.0
November 27
 28 6 0.00 0.0
November 28
 34 4 0.02 0.8
November 29
 44 n/a 0.00 0.0
November 30
 41 10 0.00 0.0
December 1940 Ketchum Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 42 13 0.00 0.0
December 2
 43 12 0.00 0.0
December 3
 49 18 0.00 0.0
December 4
 47 15 0.00 0.0
December 5
 47 12 0.00 0.0
December 6
 40 20 0.00 0.0
December 7
 45 11 0.00 0.0
December 8
 50 10 0.00 0.0
December 9
 41 15 0.00 0.0
December 10
 28 0 0.00 0.0
December 11
 27 -4 0.00 0.0
December 12
 21 2 0.00 0.0
December 13
 21 -14 0.00 0.0
December 14
 22 -14 0.00 0.0
December 15
 35 -8 0.00 0.0
December 16
 36 -7 0.00 0.0
December 17
 32 7 0.12 1.2
December 18
 35 20 0.14 2.0
December 19
 41 20 0.10 2.0
December 20
 40 13 0.00 0.0
December 21
 42 19 0.00 0.0
December 22
 37 16 0.04 0.5
December 23
 32 23 0.41 6.5
December 24
 34 15 0.24 4.0
December 25
 31 4 0.02 1.5
December 26
 30 -1 0.10 1.5
December 27
 37 23 0.57 10.0
December 28
 27 -11 0.00 0.0
December 29
 25 -7 0.00 0.0
December 30
 36 4 0.08 1.5
December 31
 28 -3 0.00 0.0
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