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Spearfish Weather in 1940

Historical record of Spearfish, South Dakota weather for the year 1940 based on NOAA data.
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1940 Spearfish Weather Extremes
Highest temperature 103 °F July 23
Lowest temperature -20 °F January 18
Highest daily low 69 °F August 2
Lowest daily high -3 °F January 24
Most daily precipitation 1.5 inches April 28
Most daily snow 5.0 inches November 4
Total annual precipitation 20.4 inches -
Total annual snow 58.3 inches -
What was the hottest temperature in Spearfish in 1940?
The highest temperature recorded in Spearfish, South Dakota in 1940 was 103 °F which happened on July 23.
Highest Temperatures: All-Time By Year
Highest Temperatures in Spearfish in 1940
Rank Temperature Date
1 103 °F Jul 23
2 99 °F Aug 1
3 98 °F Jul 22
4 97 °F Jul 13
5 95 °F Aug 14
6 94 °F Jul 17
7 93 °F Sep 8
7 93 °F Sep 1
7 93 °F Jul 29
7 93 °F Jul 24
7 93 °F Jul 21
7 93 °F Jun 17
What was the coldest temperature in Spearfish in 1940?
The lowest temperature recorded in Spearfish, South Dakota in 1940 was -20 °F which happened on Jan 18.
Lowest Temperatures: All-Time By Year
Lowest Temperatures in Spearfish in 1940
Rank Temperature Date
1 -20 °F January 18
2 -18 °F January 24
3 -17 °F January 25
4 -16 °F January 26
5 -11 °F January 5
6 -10 °F January 20
7 -9 °F December 14
8 -8 °F January 23
9 -7 °F February 24
9 -7 °F January 17
January 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
January 1
 32 5 0.00 0.0
January 2
 21 11 0.00 0.0
January 3
 18 9 0.08 1.0
January 4
 14 0 0.00 0.0
January 5
 3 -11 0.00 0.0
January 6
 15 -2 0.00 0.0
January 7
 21 9 0.10 3.5
January 8
 31 6 0.00 0.0
January 9
 40 n/a 0.00 0.0
January 10
 45 2 0.00 0.0
January 11
 36 11 0.07 0.0
January 12
 28 4 0.00 0.0
January 13
 28 5 0.00 0.0
January 14
 32 11 0.00 0.0
January 15
 42 5 0.00 0.0
January 16
 42 27 0.00 0.0
January 17
 30 -7 0.10 1.5
January 18
 4 -20 0.00 0.0
January 19
 15 0 0.00 0.0
January 20
 11 -10 0.00 0.0
January 21
 23 1 0.00 0.0
January 22
 25 -1 0.00 0.0
January 23
 19 -8 0.00 0.0
January 24
 -3 -18 0.00 0.0
January 25
 7 -17 0.00 0.0
January 26
 27 -16 0.00 0.0
January 27
 45 2 0.00 0.0
January 28
 49 37 0.00 0.0
January 29
 57 38 0.00 0.0
January 30
 50 28 0.00 0.0
January 31
 47 27 0.00 0.0
February 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
February 1
 32 15 0.15 2.3
February 2
 30 10 0.00 0.0
February 3
 31 21 0.02 0.6
February 4
 32 7 0.00 0.0
February 5
 42 22 0.02 0.0
February 6
 43 32 0.00 0.0
February 7
 38 26 0.10 0.0
February 8
 32 12 0.03 0.0
February 9
 45 18 0.00 0.0
February 10
 55 35 0.00 0.0
February 11
 48 20 0.16 2.4
February 12
 34 20 0.20 2.4
February 13
 39 13 0.00 0.0
February 14
 42 12 0.00 0.0
February 15
 27 17 0.10 3.1
February 16
 36 12 0.05 0.6
February 17
 40 11 0.00 0.0
February 18
 32 2 0.00 0.0
February 19
 28 17 0.03 0.6
February 20
 31 9 0.00 0.0
February 21
 27 10 0.04 0.8
February 22
 25 -4 0.00 0.2
February 23
 15 4 0.00 0.0
February 24
 18 -7 0.00 0.0
February 25
 n/a 2 0.00 0.0
February 26
 48 18 0.00 0.0
February 27
 52 11 0.00 0.0
February 28
 49 18 0.00 0.0
February 29
 62 30 0.00 0.0
March 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
March 1
 48 29 0.00 0.0
March 2
 56 30 0.00 0.0
March 3
 45 28 0.01 0.0
March 4
 53 26 0.00 0.0
March 5
 51 34 0.18 0.0
March 6
 42 30 0.50 2.0
March 7
 42 29 0.00 0.0
March 8
 45 27 0.00 0.0
March 9
 37 22 0.23 3.0
March 10
 34 13 0.00 0.0
March 11
 29 20 0.13 2.0
March 12
 25 3 0.10 1.0
March 13
 36 14 0.01 0.5
March 14
 46 13 0.00 0.0
March 15
 57 31 0.00 0.0
March 16
 64 43 0.00 0.0
March 17
 54 30 0.38 0.0
March 18
 51 28 0.00 0.0
March 19
 44 26 0.19 3.0
March 20
 48 21 0.02 0.0
March 21
 41 23 0.26 3.0
March 22
 43 21 0.00 0.0
March 23
 27 18 0.00 0.0
March 24
 30 20 0.00 0.0
March 25
 30 20 0.00 0.0
March 26
 27 16 0.00 0.0
March 27
 37 23 0.00 0.0
March 28
 51 31 0.12 0.0
March 29
 56 32 0.00 0.0
March 30
 68 35 0.00 0.0
March 31
 66 32 0.00 0.0
April 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
April 1
 61 31 0.00 0.0
April 2
 40 25 0.31 2.0
April 3
 34 23 0.06 0.0
April 4
 31 22 0.02 0.0
April 5
 49 16 0.00 0.0
April 6
 50 32 0.03 0.0
April 7
 41 25 0.11 0.0
April 8
 53 23 0.00 0.0
April 9
 51 33 0.02 0.0
April 10
 42 25 0.03 0.0
April 11
 31 4 0.17 5.0
April 12
 49 8 0.00 0.0
April 13
 70 39 0.00 0.0
April 14
 70 23 0.00 0.0
April 15
 62 33 0.27 0.0
April 16
 42 29 0.42 1.0
April 17
 51 29 0.04 0.0
April 18
 69 41 0.00 0.0
April 19
 64 40 0.04 0.0
April 20
 70 36 0.15 0.0
April 21
 54 41 0.10 0.0
April 22
 50 31 0.69 0.0
April 23
 51 27 0.00 0.0
April 24
 54 32 0.00 0.0
April 25
 50 36 0.00 0.0
April 26
 69 30 0.00 0.0
April 27
 73 49 0.30 0.0
April 28
 54 43 1.54 0.0
April 29
 54 34 0.05 0.0
April 30
 50 31 0.00 0.0
May 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
May 1
 63 36 0.00 0.0
May 2
 76 43 0.00 0.0
May 3
 77 45 0.00 0.0
May 4
 71 45 0.00 0.0
May 5
 70 49 0.00 0.0
May 6
 67 39 0.00 0.0
May 7
 65 39 0.06 0.0
May 8
 71 36 0.00 0.0
May 9
 71 44 0.00 0.0
May 10
 72 36 0.00 0.0
May 11
 89 49 0.00 0.0
May 12
 80 54 0.24 0.0
May 13
 65 44 0.36 0.0
May 14
 55 33 0.00 0.0
May 15
 66 33 0.00 0.0
May 16
 65 42 0.00 0.0
May 17
 51 41 0.13 0.0
May 18
 61 37 0.03 0.0
May 19
 74 41 0.00 0.0
May 20
 64 51 0.00 0.0
May 21
 64 39 0.00 0.0
May 22
 69 39 0.00 0.0
May 23
 74 42 0.00 0.0
May 24
 72 42 0.00 0.0
May 25
 65 34 0.00 0.0
May 26
 68 34 0.00 0.0
May 27
 69 38 0.00 0.0
May 28
 73 50 0.00 0.0
May 29
 76 45 0.50 0.0
May 30
 77 46 0.31 0.0
May 31
 85 54 0.00 0.0
June 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
June 1
 87 53 0.00 0.0
June 2
 85 56 0.00 0.0
June 3
 64 55 1.45 0.0
June 4
 61 45 0.41 0.0
June 5
 71 50 0.22 0.0
June 6
 68 51 0.02 0.0
June 7
 70 45 0.03 0.0
June 8
 69 52 0.00 0.0
June 9
 55 45 0.01 0.0
June 10
 73 40 0.00 0.0
June 11
 80 52 0.00 0.0
June 12
 85 51 0.00 0.0
June 13
 92 53 0.00 0.0
June 14
 85 65 0.00 0.0
June 15
 87 49 0.23 0.0
June 16
 88 57 0.02 0.0
June 17
 93 55 0.00 0.0
June 18
 85 53 0.00 0.0
June 19
 87 53 0.00 0.0
June 20
 86 59 0.28 0.0
June 21
 84 56 0.00 0.0
June 22
 83 57 0.30 0.0
June 23
 64 46 1.40 0.0
June 24
 76 45 0.00 0.0
June 25
 88 50 0.00 0.0
June 26
 84 61 0.00 0.0
June 27
 76 58 0.05 0.0
June 28
 74 52 0.00 0.0
June 29
 84 46 0.00 0.0
June 30
 84 58 0.00 0.0
July 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
July 1
 79 58 0.00 0.0
July 2
 73 56 0.10 0.0
July 3
 81 55 0.00 0.0
July 4
 86 57 0.00 0.0
July 5
 92 65 0.00 0.0
July 6
 87 60 0.03 0.0
July 7
 86 52 0.00 0.0
July 8
 89 55 0.00 0.0
July 9
 90 54 0.00 0.0
July 10
 90 60 0.00 0.0
July 11
 84 58 0.00 0.0
July 12
 88 54 0.00 0.0
July 13
 97 60 0.28 0.0
July 14
 90 58 0.08 0.0
July 15
 80 55 0.02 0.0
July 16
 92 57 0.00 0.0
July 17
 94 64 0.00 0.0
July 18
 90 62 0.00 0.0
July 19
 88 63 0.00 0.0
July 20
 90 59 0.00 0.0
July 21
 93 62 0.08 0.0
July 22
 98 64 0.00 0.0
July 23
 103 63 0.00 0.0
July 24
 93 68 0.00 0.0
July 25
 85 56 0.06 0.0
July 26
 76 48 0.05 0.0
July 27
 90 60 0.15 0.0
July 28
 89 55 0.04 0.0
July 29
 93 56 0.03 0.0
July 30
 90 69 0.00 0.0
July 31
 89 64 0.00 0.0
August 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
August 1
 99 64 0.00 0.0
August 2
 92 69 0.00 0.0
August 3
 85 53 0.00 0.0
August 4
 80 60 0.00 0.0
August 5
 76 49 0.00 0.0
August 6
 90 55 0.00 0.0
August 7
 88 64 0.00 0.0
August 8
 88 58 0.00 0.0
August 9
 92 60 0.05 0.0
August 10
 91 61 0.00 0.0
August 11
 92 60 0.00 0.0
August 12
 88 58 0.00 0.0
August 13
 91 58 0.00 0.0
August 14
 95 61 0.00 0.0
August 15
 88 61 0.01 0.0
August 16
 84 52 0.12 0.0
August 17
 83 49 0.57 0.0
August 18
 73 45 0.00 0.0
August 19
 81 45 0.00 0.0
August 20
 82 45 0.00 0.0
August 21
 83 56 0.00 0.0
August 22
 86 50 0.00 0.0
August 23
 89 58 0.00 0.0
August 24
 85 58 0.18 0.0
August 25
 83 59 0.12 0.0
August 26
 71 57 0.08 0.0
August 27
 82 55 0.00 0.0
August 28
 77 55 0.00 0.0
August 29
 75 47 0.00 0.0
August 30
 72 44 0.00 0.0
August 31
 92 47 0.00 0.0
September 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
September 1
 93 54 0.00 0.0
September 2
 91 55 0.00 0.0
September 3
 89 67 0.00 0.0
September 4
 90 66 0.00 0.0
September 5
 85 59 0.00 0.0
September 6
 88 64 0.00 0.0
September 7
 83 55 0.00 0.0
September 8
 93 56 0.00 0.0
September 9
 80 48 0.44 0.0
September 10
 65 34 0.00 0.0
September 11
 77 36 0.00 0.0
September 12
 86 55 0.00 0.0
September 13
 82 54 0.00 0.0
September 14
 81 45 0.00 0.0
September 15
 80 50 0.88 0.0
September 16
 84 55 0.03 0.0
September 17
 83 57 0.00 0.0
September 18
 78 57 0.00 0.0
September 19
 82 53 0.00 0.0
September 20
 73 50 0.00 0.0
September 21
 73 49 0.05 0.0
September 22
 76 56 0.00 0.0
September 23
 74 50 0.19 0.0
September 24
 62 43 0.47 0.0
September 25
 68 38 0.03 0.0
September 26
 75 45 0.00 0.0
September 27
 76 50 0.00 0.0
September 28
 69 44 0.44 0.0
September 29
 64 50 0.08 0.0
September 30
 69 50 0.00 0.0
October 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
October 1
 62 48 0.11 0.0
October 2
 66 46 0.08 0.0
October 3
 65 39 0.00 0.0
October 4
 62 43 0.07 0.0
October 5
 61 36 0.00 0.0
October 6
 58 42 0.00 0.0
October 7
 72 32 0.00 0.0
October 8
 75 37 0.00 0.0
October 9
 67 46 0.00 0.0
October 10
 71 39 0.00 0.0
October 11
 60 46 0.00 0.0
October 12
 65 42 0.00 0.0
October 13
 62 38 0.00 0.0
October 14
 58 36 0.00 0.0
October 15
 71 33 0.02 0.0
October 16
 65 40 0.00 0.0
October 17
 70 33 0.00 0.0
October 18
 76 49 0.00 0.0
October 19
 78 57 0.00 0.0
October 20
 80 48 0.00 0.0
October 21
 80 46 0.00 0.0
October 22
 62 42 0.00 0.0
October 23
 72 36 0.00 0.0
October 24
 73 40 0.00 0.0
October 25
 75 52 0.00 0.0
October 26
 76 53 0.00 0.0
October 27
 65 40 0.00 0.0
October 28
 56 34 0.00 0.0
October 29
 62 29 0.00 0.0
October 30
 49 38 0.10 0.0
October 31
 56 26 0.02 0.0
November 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
November 1
 59 29 0.00 0.0
November 2
 66 19 0.00 0.0
November 3
 65 38 0.00 0.0
November 4
 44 26 0.54 5.0
November 5
 35 14 0.07 1.0
November 6
 45 14 0.00 0.0
November 7
 45 20 0.00 0.0
November 8
 54 32 0.00 0.0
November 9
 38 24 0.00 0.0
November 10
 31 4 0.02 1.0
November 11
 8 -3 0.00 0.0
November 12
 16 0 0.00 0.0
November 13
 17 5 0.00 0.0
November 14
 43 0 0.00 0.0
November 15
 59 33 0.00 0.0
November 16
 60 33 0.00 0.0
November 17
 56 35 0.00 0.0
November 18
 52 29 0.00 0.0
November 19
 35 15 0.07 1.0
November 20
 45 10 0.00 0.0
November 21
 35 18 0.00 0.0
November 22
 27 20 0.01 0.5
November 23
 40 11 0.00 0.0
November 24
 52 17 0.00 0.0
November 25
 40 24 0.04 n/a
November 26
 47 29 0.00 0.0
November 27
 33 15 0.00 0.0
November 28
 44 24 0.00 0.0
November 29
 46 33 0.00 0.0
November 30
 40 25 0.28 0.0
December 1940 Spearfish Weather
Day High (°F) Low (°F) Precip. (inches) Snow (inches)
December 1
 45 38 0.00 0.0
December 2
 40 4 0.27 4.5
December 3
 59 2 0.00 0.0
December 4
 60 37 0.00 0.0
December 5
 62 30 0.00 0.0
December 6
 55 38 0.00 0.0
December 7
 50 30 0.00 0.0
December 8
 67 35 0.00 0.0
December 9
 59 32 0.00 0.0
December 10
 49 23 0.00 0.0
December 11
 35 19 0.20 3.5
December 12
 22 1 0.02 0.3
December 13
 10 -2 0.00 0.0
December 14
 19 -9 0.00 0.0
December 15
 30 -3 0.00 0.0
December 16
 33 13 0.00 0.0
December 17
 38 6 0.00 0.0
December 18
 45 10 0.00 0.0
December 19
 50 35 0.00 0.0
December 20
 52 30 0.00 0.0
December 21
 55 35 0.00 0.0
December 22
 54 28 0.00 0.0
December 23
 61 24 0.00 0.0
December 24
 53 42 0.00 0.0
December 25
 50 30 0.00 0.0
December 26
 50 33 0.00 0.0
December 27
 49 31 0.00 0.0
December 28
 41 33 0.08 0.0
December 29
 44 22 0.00 0.0
December 30
 34 19 0.00 0.0
December 31
 30 20 0.00 0.0
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